1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>ViennaCL - The Vienna Computing Library: viennacl/backend/memory.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">ViennaCL - The Vienna Computing Library
 <span id="projectnumber">1.7.1</span>
</div>
<div id="projectbrief">Free open-source GPU-accelerated linear algebra and solver library.</div>
</td>
<td> <div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('memory_8hpp_source.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">memory.hpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="memory_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef VIENNACL_BACKEND_MEMORY_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_BACKEND_MEMORY_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ViennaCL - The Vienna Computing Library</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> (A list of authors and contributors can be found in the manual)</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> License: MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <cassert></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="forwards_8h.html">viennacl/forwards.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="mem__handle_8hpp.html">viennacl/backend/mem_handle.hpp</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="context_8hpp.html">viennacl/context.hpp</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="traits_2handle_8hpp.html">viennacl/traits/handle.hpp</a>"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="traits_2context_8hpp.html">viennacl/traits/context.hpp</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="backend_2util_8hpp.html">viennacl/backend/util.hpp</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="cpu__ram_8hpp.html">viennacl/backend/cpu_ram.hpp</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="opencl_8hpp.html">viennacl/backend/opencl.hpp</a>"</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="backend_8hpp.html">viennacl/ocl/backend.hpp</a>"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="cuda_8hpp.html">viennacl/backend/cuda.hpp</a>"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span>backend</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// if a user compiles with CUDA, it is reasonable to expect that CUDA should be the default</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a3707340b27c535438e213e3879b0f0a4"> 54</a></span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a3707340b27c535438e213e3879b0f0a4">finish</a>()</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  cudaDeviceSynchronize();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="namespaceviennacl_1_1ocl.html#ac7871671987d322a8766aea79b1cd17a">viennacl::ocl::get_queue</a>().<a class="code" href="classviennacl_1_1ocl_1_1command__queue.html#ae2e51d158444a51341af30cebc5cf88b">finish</a>();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Requirements for backend:</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// ---- Memory ----</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// * memory_create(size, host_ptr)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// * memory_copy(src, dest, offset_src, offset_dest, size)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// * memory_write(src, offset, size, ptr)</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// * memory_read(src, offset, size, ptr)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126"> 87</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">memory_create</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & <a class="code" href="namespaceviennacl_1_1traits.html#ae39853b7f291a697e119a139439178fb">handle</a>, <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> size_in_bytes, <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> <span class="keyword">const</span> & ctx, <span class="keyword">const</span> <span class="keywordtype">void</span> * host_ptr = NULL)</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (size_in_bytes > 0)</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>());</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">switch</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>() = <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a55bf912f3d21fcf7d348d59e1c8bef7d">cpu_ram::memory_create</a>(size_in_bytes, host_ptr);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(size_in_bytes);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  handle.opencl_handle().context(ctx.opencl_context());</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  handle.opencl_handle() = <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#a726ec869b2a56a08da262111f3b70b41">opencl::memory_create</a>(handle.opencl_handle().context(), size_in_bytes, host_ptr);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(size_in_bytes);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  handle.cuda_handle() = <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a04f56fb87325788ff61c07a5613bf2cc">cuda::memory_create</a>(size_in_bytes, host_ptr);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(size_in_bytes);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>:</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"not initialised!"</span>);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unknown memory handle!"</span>);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> inline void memory_create(mem_handle & handle, vcl_size_t size_in_bytes, const void * host_ptr = NULL)</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> viennacl::context ctx(default_memory_type());</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> memory_create(handle, size_in_bytes, ctx, host_ptr);</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> }*/</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a39a91fd7aa68ebf64bd7bfa409732ec0"> 140</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a39a91fd7aa68ebf64bd7bfa409732ec0">memory_copy</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> <span class="keyword">const</span> & src_buffer,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & dst_buffer,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> src_offset,</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> dst_offset,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> bytes_to_copy)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  assert( src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() && bool(<span class="stringliteral">"memory_copy() must be called on buffers from the same domain"</span>) );</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (bytes_to_copy > 0)</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">switch</span> (src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a307263f9deed5ce983ae50ebda5c1e0b">cpu_ram::memory_copy</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>(), dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>(), src_offset, dst_offset, bytes_to_copy);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#a347eef11410dffb4b31b28657538290e">opencl::memory_copy</a>(src_buffer.opencl_handle(), dst_buffer.opencl_handle(), src_offset, dst_offset, bytes_to_copy);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#ad722eafeda0876b02c17161debf888fc">cuda::memory_copy</a>(src_buffer.cuda_handle(), dst_buffer.cuda_handle(), src_offset, dst_offset, bytes_to_copy);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>:</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"not initialised!"</span>);</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unknown memory handle!"</span>);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// TODO: Refine this concept. Maybe move to constructor?</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a8548a37535eac92e886cb183182b618f"> 177</a></span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a8548a37535eac92e886cb183182b618f">memory_shallow_copy</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> <span class="keyword">const</span> & src_buffer,</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & dst_buffer)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  assert( (dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>) && <span class="keywordtype">bool</span>(<span class="stringliteral">"Shallow copy on already initialized memory not supported!"</span>));</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">switch</span> (src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>() = src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>();</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  dst_buffer.opencl_handle() = src_buffer.opencl_handle();</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  dst_buffer.cuda_handle() = src_buffer.cuda_handle();</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>:</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"not initialised!"</span>);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unknown memory handle!"</span>);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61"> 220</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">memory_write</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & dst_buffer,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> dst_offset,</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> bytes_to_write,</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> * ptr,</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">bool</span> async = <span class="keyword">false</span>)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (bytes_to_write > 0)</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  {</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">switch</span> (dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a812c9e949c4a31f8ad34fe03af0f95aa">cpu_ram::memory_write</a>(dst_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>(), dst_offset, bytes_to_write, ptr, async);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#a54957655bb85f822921cc7cf6bd9f222">opencl::memory_write</a>(dst_buffer.opencl_handle(), dst_offset, bytes_to_write, ptr, async);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a00f32fc0745b56a9af9994854d7085f9">cuda::memory_write</a>(dst_buffer.cuda_handle(), dst_offset, bytes_to_write, ptr, async);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>:</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"not initialised!"</span>);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unknown memory handle!"</span>);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d"> 261</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">memory_read</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> <span class="keyword">const</span> & src_buffer,</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> src_offset,</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> bytes_to_read,</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">void</span> * ptr,</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordtype">bool</span> async = <span class="keyword">false</span>)</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">//finish(); //Fixes some issues with AMD APP SDK. However, might sacrifice a few percents of performance in some cases.</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (bytes_to_read > 0)</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">switch</span> (src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  {</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#abfa2dfe9a2ca51ad12d1204e558ece21">cpu_ram::memory_read</a>(src_buffer.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>(), src_offset, bytes_to_read, ptr, async);</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#af5b9966832bc253b34c2cfa3f8b97bc8">opencl::memory_read</a>(src_buffer.opencl_handle(), src_offset, bytes_to_read, ptr, async);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a29d2b6cd7339444f3a6818d82b54dc92">cuda::memory_read</a>(src_buffer.cuda_handle(), src_offset, bytes_to_read, ptr, async);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>:</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"not initialised!"</span>);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unknown memory handle!"</span>);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00299"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend_1_1detail.html#af9f9cc6c50debc5b1d93e458d1fd392a"> 299</a></span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1backend_1_1detail.html#af9f9cc6c50debc5b1d93e458d1fd392a">element_size</a>(<a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">memory_types</a> <span class="comment">/* mem_type */</span>)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  }</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">template</span><></div>
<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend_1_1detail.html#aa26c168242b4a7522b3a44db4f35d678"> 306</a></span>  <span class="keyword">inline</span> <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1backend_1_1detail.html#aa26c168242b4a7522b3a44db4f35d678">element_size<unsigned long></a>(<a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">memory_types</a></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  mem_type <span class="comment">//in order to compile cleanly at -Wextra in GCC</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  )</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  {</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (mem_type == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>)</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(cl_ulong);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> long);</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">template</span><></div>
<div class="line"><a name="l00320"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend_1_1detail.html#a06e699859e0bf8a0dae58fa9814abf45"> 320</a></span>  <span class="keyword">inline</span> <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1backend_1_1detail.html#a06e699859e0bf8a0dae58fa9814abf45">element_size<long></a>(<a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">memory_types</a></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  mem_type <span class="comment">//in order to compile cleanly at -Wextra in GCC</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  )</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (mem_type == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>)</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(cl_long);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(long);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">template</span><></div>
<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend_1_1detail.html#a37a80732ade332cb8b1c0a17ed181b54"> 335</a></span>  <span class="keyword">inline</span> <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1backend_1_1detail.html#a37a80732ade332cb8b1c0a17ed181b54">element_size<unsigned int></a>(<a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">memory_types</a></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  mem_type <span class="comment">//in order to compile cleanly at -Wextra in GCC</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  )</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">if</span> (mem_type == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>)</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(cl_uint);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> int);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keyword">template</span><></div>
<div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend_1_1detail.html#a84e78df5ffd86afde0313ac849b0909a"> 349</a></span>  <span class="keyword">inline</span> <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> <a class="code" href="namespaceviennacl_1_1backend_1_1detail.html#a84e78df5ffd86afde0313ac849b0909a">element_size<int></a>(<a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">memory_types</a></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="preprocessor"> #ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  mem_type <span class="comment">//in order to compile cleanly at -Wextra in GCC</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  )</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">if</span> (mem_type == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>)</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(cl_int);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(int);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keyword">template</span><<span class="keyword">typename</span> DataType></div>
<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a125b816cda53b54723572f319c096e68"> 368</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a125b816cda53b54723572f319c096e68">switch_memory_context</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & <a class="code" href="namespaceviennacl_1_1traits.html#ae39853b7f291a697e119a139439178fb">handle</a>, <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> new_ctx)</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>())</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">viennacl::MEMORY_NOT_INITIALIZED</a> || handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() == 0)</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>());</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span> (new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>)</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  handle.opencl_handle().context(new_ctx.opencl_context());</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> size_dst = detail::element_size<DataType>(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> size_src = detail::element_size<DataType>(new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>());</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span> (size_dst != size_src) <span class="comment">// OpenCL data element size not the same as host data element size</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  {</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"Heterogeneous data element sizes not yet supported!"</span>);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">else</span> <span class="comment">//no data conversion required</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  {</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>) <span class="comment">//we can access the existing data directly</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  {</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">switch</span> (new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>())</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  {</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  handle.opencl_handle().context(new_ctx.opencl_context());</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  handle.opencl_handle() = <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#a726ec869b2a56a08da262111f3b70b41">opencl::memory_create</a>(handle.opencl_handle().context(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  handle.cuda_handle() = <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a04f56fb87325788ff61c07a5613bf2cc">cuda::memory_create</a>(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"Invalid destination domain"</span>);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>) <span class="comment">// data can be dumped into destination directly</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  {</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  std::vector<DataType> buffer;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">switch</span> (new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>())</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>() = <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a55bf912f3d21fcf7d348d59e1c8bef7d">cpu_ram::memory_create</a>(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#af5b9966832bc253b34c2cfa3f8b97bc8">opencl::memory_read</a>(handle.opencl_handle(), 0, handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  buffer.resize(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / <span class="keyword">sizeof</span>(DataType));</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#af5b9966832bc253b34c2cfa3f8b97bc8">opencl::memory_read</a>(handle.opencl_handle(), 0, handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), &(buffer[0]));</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a04f56fb87325788ff61c07a5613bf2cc">cuda::memory_create</a>(handle.cuda_handle(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), &(buffer[0]));</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"Invalid destination domain"</span>);</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">else</span> <span class="comment">//CUDA_MEMORY</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  {</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  std::vector<DataType> buffer;</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">// write</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">switch</span> (new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>())</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>() = <a class="code" href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a55bf912f3d21fcf7d348d59e1c8bef7d">cpu_ram::memory_create</a>(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a29d2b6cd7339444f3a6818d82b54dc92">cuda::memory_read</a>(handle.cuda_handle(), 0, handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  buffer.resize(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / <span class="keyword">sizeof</span>(DataType));</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a29d2b6cd7339444f3a6818d82b54dc92">cuda::memory_read</a>(handle.cuda_handle(), 0, handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), &(buffer[0]));</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  handle.opencl_handle() = <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#a726ec869b2a56a08da262111f3b70b41">opencl::memory_create</a>(handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), &(buffer[0]));</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"Unsupported source memory domain"</span>);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">// everything succeeded so far, now switch to new domain:</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  handle.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(new_ctx.<a class="code" href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">memory_type</a>());</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  } <span class="comment">// no data conversion</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keyword">template</span><<span class="keyword">typename</span> DataType></div>
<div class="line"><a name="l00470"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1backend.html#a3e08136f371bfae415d35f75a7c8639d"> 470</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1backend.html#a3e08136f371bfae415d35f75a7c8639d">typesafe_memory_copy</a>(<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> <span class="keyword">const</span> & handle_src, <a class="code" href="classviennacl_1_1backend_1_1mem__handle.html">mem_handle</a> & handle_dst)</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  {</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>() == <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">MEMORY_NOT_INITIALIZED</a>)</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">switch_active_handle_id</a>(<a class="code" href="namespaceviennacl_1_1backend.html#a0238c5401fc7e05c3641b1ad5e872458">default_memory_type</a>());</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> </div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> element_size_src = detail::element_size<DataType>(handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> element_size_dst = detail::element_size<DataType>(handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>());</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">if</span> (element_size_src != element_size_dst)</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">// Data needs to be converted.</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html">typesafe_host_array<DataType></a> buffer_src(handle_src);</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html">typesafe_host_array<DataType></a> buffer_dst(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / element_size_src);</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// Step 1: Fill buffer_dst depending on where the data resides:</span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  DataType <span class="keyword">const</span> * src_data;</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">switch</span> (handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  {</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  src_data = <span class="keyword">reinterpret_cast<</span>DataType <span class="keyword">const </span>*<span class="keyword">></span>(handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">for</span> (<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> i=0; i<buffer_dst.size(); ++i)</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  buffer_dst.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#ac31bfde381eb40e0349678252c444af9">set</a>(i, src_data[i]);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> </div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="preprocessor">#ifdef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a3b640f9457805daeebbc125e02bc9705">resize</a>(handle_src, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / element_size_src);</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1opencl.html#af5b9966832bc253b34c2cfa3f8b97bc8">opencl::memory_read</a>(handle_src.opencl_handle(), 0, buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1a408130e0f633ffb1d12122873e3592">raw_size</a>(), buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">for</span> (<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> i=0; i<buffer_dst.size(); ++i)</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  buffer_dst.set(i, buffer_src[i]);</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="preprocessor">#ifdef VIENNACL_WITH_CUDA</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a3b640f9457805daeebbc125e02bc9705">resize</a>(handle_src, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / element_size_src);</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <a class="code" href="namespaceviennacl_1_1backend_1_1cuda.html#a29d2b6cd7339444f3a6818d82b54dc92">cuda::memory_read</a>(handle_src.cuda_handle(), 0, buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1a408130e0f633ffb1d12122873e3592">raw_size</a>(), buffer_src.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">for</span> (<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">vcl_size_t</a> i=0; i<buffer_dst.size(); ++i)</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  buffer_dst.set(i, buffer_src[i]);</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unsupported memory domain"</span>);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="comment">// Step 2: Write to destination</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() == buffer_dst.raw_size())</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">viennacl::backend::memory_write</a>(handle_dst, 0, buffer_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), buffer_dst.get());</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, buffer_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst), buffer_dst.get());</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  }</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  {</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">// No data conversion required.</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html">typesafe_host_array<DataType></a> buffer(handle_src);</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> </div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">switch</span> (handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  {</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">switch</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  {</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() == handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">viennacl::backend::memory_write</a>(handle_dst, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst), handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unsupported destination memory domain"</span>);</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">switch</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  {</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">viennacl::backend::memory_read</a>(handle_src, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a39a91fd7aa68ebf64bd7bfa409732ec0">viennacl::backend::memory_copy</a>(handle_src, handle_dst, 0, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> </div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a3b640f9457805daeebbc125e02bc9705">resize</a>(handle_src, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / element_size_src);</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">viennacl::backend::memory_read</a>(handle_src, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">viennacl::backend::memory_write</a>(handle_dst, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> </div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unsupported destination memory domain"</span>);</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  }</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">switch</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">get_active_handle_id</a>())</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  {</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">MAIN_MEMORY</a>:</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">viennacl::backend::memory_read</a>(handle_src, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">ram_handle</a>().<a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">get</a>());</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> </div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">OPENCL_MEMORY</a>:</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a3b640f9457805daeebbc125e02bc9705">resize</a>(handle_src, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() / element_size_src);</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">viennacl::backend::memory_read</a>(handle_src, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">viennacl::backend::memory_write</a>(handle_dst, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), buffer.<a class="code" href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">get</a>());</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">case</span> <a class="code" href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">CUDA_MEMORY</a>:</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">if</span> (handle_dst.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>() != handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>())</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a>(handle_dst, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>(), <a class="code" href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a>(handle_dst));</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <a class="code" href="namespaceviennacl_1_1backend.html#a39a91fd7aa68ebf64bd7bfa409732ec0">viennacl::backend::memory_copy</a>(handle_src, handle_dst, 0, 0, handle_src.<a class="code" href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">raw_size</a>());</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> </div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unsupported destination memory domain"</span>);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  }</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">throw</span> <a class="code" href="classviennacl_1_1memory__exception.html">memory_exception</a>(<span class="stringliteral">"unsupported source memory domain"</span>);</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  }</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> </div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  }</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> </div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> } <span class="comment">//backend</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="comment">//</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="comment">// Convenience layer:</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="comment">//</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="comment"></span><span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00622"></a><span class="lineno"><a class="line" href="namespaceviennacl.html#a87d41d517b3d0daca8b1536e15e6659d"> 622</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl.html#a87d41d517b3d0daca8b1536e15e6659d">switch_memory_context</a>(T & obj, <a class="code" href="classviennacl_1_1context.html">viennacl::context</a> new_ctx)</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> {</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  obj.switch_memory_context(new_ctx);</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> }</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> } <span class="comment">//viennacl</span></div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a3e08136f371bfae415d35f75a7c8639d"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a3e08136f371bfae415d35f75a7c8639d">viennacl::backend::typesafe_memory_copy</a></div><div class="ttdeci">void typesafe_memory_copy(mem_handle const &handle_src, mem_handle &handle_dst)</div><div class="ttdoc">Copies data of the provided 'DataType' from 'handle_src' to 'handle_dst' and converts the data if the...</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00470">memory.hpp:470</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1typesafe__host__array_html"><div class="ttname"><a href="classviennacl_1_1backend_1_1typesafe__host__array.html">viennacl::backend::typesafe_host_array</a></div><div class="ttdoc">Helper class implementing an array on the host. Default case: No conversion necessary. </div><div class="ttdef"><b>Definition:</b> <a href="backend_2util_8hpp_source.html#l00092">util.hpp:92</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cpu__ram_html_abfa2dfe9a2ca51ad12d1204e558ece21"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cpu__ram.html#abfa2dfe9a2ca51ad12d1204e558ece21">viennacl::backend::cpu_ram::memory_read</a></div><div class="ttdeci">void memory_read(handle_type const &src_buffer, vcl_size_t src_offset, vcl_size_t bytes_to_copy, void *ptr, bool)</div><div class="ttdoc">Reads data from a buffer back to main RAM. </div><div class="ttdef"><b>Definition:</b> <a href="cpu__ram_8hpp_source.html#l00153">cpu_ram.hpp:153</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1opencl_html_a726ec869b2a56a08da262111f3b70b41"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1opencl.html#a726ec869b2a56a08da262111f3b70b41">viennacl::backend::opencl::memory_create</a></div><div class="ttdeci">cl_mem memory_create(viennacl::ocl::context const &ctx, vcl_size_t size_in_bytes, const void *host_ptr=NULL)</div><div class="ttdoc">Creates an array of the specified size in the current OpenCL context. If the second argument is provi...</div><div class="ttdef"><b>Definition:</b> <a href="opencl_8hpp_source.html#l00055">opencl.hpp:55</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a06bdedb2bc72dc1922cada91e9bbbd61"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a06bdedb2bc72dc1922cada91e9bbbd61">viennacl::backend::memory_write</a></div><div class="ttdeci">void memory_write(mem_handle &dst_buffer, vcl_size_t dst_offset, vcl_size_t bytes_to_write, const void *ptr, bool async=false)</div><div class="ttdoc">Writes data from main RAM identified by 'ptr' to the buffer identified by 'dst_buffer'. </div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00220">memory.hpp:220</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cpu__ram_html_a55bf912f3d21fcf7d348d59e1c8bef7d"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a55bf912f3d21fcf7d348d59e1c8bef7d">viennacl::backend::cpu_ram::memory_create</a></div><div class="ttdeci">handle_type memory_create(vcl_size_t size_in_bytes, const void *host_ptr=NULL)</div><div class="ttdoc">Creates an array of the specified size in main RAM. If the second argument is provided, the buffer is initialized with data from that pointer. </div><div class="ttdef"><b>Definition:</b> <a href="cpu__ram_8hpp_source.html#l00073">cpu_ram.hpp:73</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1command__queue_html_ae2e51d158444a51341af30cebc5cf88b"><div class="ttname"><a href="classviennacl_1_1ocl_1_1command__queue.html#ae2e51d158444a51341af30cebc5cf88b">viennacl::ocl::command_queue::finish</a></div><div class="ttdeci">void finish() const </div><div class="ttdoc">Waits until all kernels in the queue have finished their execution. </div><div class="ttdef"><b>Definition:</b> <a href="command__queue_8hpp_source.html#l00070">command_queue.hpp:70</a></div></div>
<div class="ttc" id="classviennacl_1_1memory__exception_html"><div class="ttname"><a href="classviennacl_1_1memory__exception.html">viennacl::memory_exception</a></div><div class="ttdoc">Exception class in case of memory errors. </div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00572">forwards.h:572</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1opencl_html_a54957655bb85f822921cc7cf6bd9f222"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1opencl.html#a54957655bb85f822921cc7cf6bd9f222">viennacl::backend::opencl::memory_write</a></div><div class="ttdeci">void memory_write(viennacl::ocl::handle< cl_mem > &dst_buffer, vcl_size_t dst_offset, vcl_size_t bytes_to_copy, const void *ptr, bool async=false)</div><div class="ttdoc">Writes data from main RAM identified by 'ptr' to the OpenCL buffer identified by 'dst_buffer'. </div><div class="ttdef"><b>Definition:</b> <a href="opencl_8hpp_source.html#l00097">opencl.hpp:97</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1"><div class="ttname"><a href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8adb37af613f34867568e4f6cf720c68b1">viennacl::OPENCL_MEMORY</a></div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00349">forwards.h:349</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cuda_html_a00f32fc0745b56a9af9994854d7085f9"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cuda.html#a00f32fc0745b56a9af9994854d7085f9">viennacl::backend::cuda::memory_write</a></div><div class="ttdeci">void memory_write(handle_type &dst_buffer, vcl_size_t dst_offset, vcl_size_t bytes_to_copy, const void *ptr, bool async=false)</div><div class="ttdoc">Writes data from main RAM identified by 'ptr' to the CUDA buffer identified by 'dst_buffer'. </div><div class="ttdef"><b>Definition:</b> <a href="cuda_8hpp_source.html#l00154">cuda.hpp:154</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a3707340b27c535438e213e3879b0f0a4"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a3707340b27c535438e213e3879b0f0a4">viennacl::backend::finish</a></div><div class="ttdeci">void finish()</div><div class="ttdoc">Synchronizes the execution. finish() will only return after all compute kernels (CUDA, OpenCL) have completed. </div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00054">memory.hpp:54</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1detail_html_aa26c168242b4a7522b3a44db4f35d678"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1detail.html#aa26c168242b4a7522b3a44db4f35d678">viennacl::backend::detail::element_size< unsigned long ></a></div><div class="ttdeci">vcl_size_t element_size< unsigned long >(memory_types)</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00306">memory.hpp:306</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cuda_html_ad722eafeda0876b02c17161debf888fc"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cuda.html#ad722eafeda0876b02c17161debf888fc">viennacl::backend::cuda::memory_copy</a></div><div class="ttdeci">void memory_copy(handle_type const &src_buffer, handle_type &dst_buffer, vcl_size_t src_offset, vcl_size_t dst_offset, vcl_size_t bytes_to_copy)</div><div class="ttdoc">Copies 'bytes_to_copy' bytes from address 'src_buffer + src_offset' on the CUDA device to memory star...</div><div class="ttdef"><b>Definition:</b> <a href="cuda_8hpp_source.html#l00130">cuda.hpp:130</a></div></div>
<div class="ttc" id="forwards_8h_html"><div class="ttname"><a href="forwards_8h.html">forwards.h</a></div><div class="ttdoc">This file provides the forward declarations for the main types used within ViennaCL. </div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1typesafe__host__array_html_a1727eeb845f50cf5bd51ef54c5938b8c"><div class="ttname"><a href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1727eeb845f50cf5bd51ef54c5938b8c">viennacl::backend::typesafe_host_array::get</a></div><div class="ttdeci">void * get()</div><div class="ttdef"><b>Definition:</b> <a href="backend_2util_8hpp_source.html#l00110">util.hpp:110</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a62854cfd6f04404b274f8ede36f63e2d"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a62854cfd6f04404b274f8ede36f63e2d">viennacl::backend::memory_read</a></div><div class="ttdeci">void memory_read(mem_handle const &src_buffer, vcl_size_t src_offset, vcl_size_t bytes_to_read, void *ptr, bool async=false)</div><div class="ttdoc">Reads data from a buffer back to main RAM. </div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00261">memory.hpp:261</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1opencl_html_af5b9966832bc253b34c2cfa3f8b97bc8"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1opencl.html#af5b9966832bc253b34c2cfa3f8b97bc8">viennacl::backend::opencl::memory_read</a></div><div class="ttdeci">void memory_read(viennacl::ocl::handle< cl_mem > const &src_buffer, vcl_size_t src_offset, vcl_size_t bytes_to_copy, void *ptr, bool async=false)</div><div class="ttdoc">Reads data from an OpenCL buffer back to main RAM. </div><div class="ttdef"><b>Definition:</b> <a href="opencl_8hpp_source.html#l00129">opencl.hpp:129</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1typesafe__host__array_html_a3b640f9457805daeebbc125e02bc9705"><div class="ttname"><a href="classviennacl_1_1backend_1_1typesafe__host__array.html#a3b640f9457805daeebbc125e02bc9705">viennacl::backend::typesafe_host_array::resize</a></div><div class="ttdeci">void resize(mem_handle const &handle, vcl_size_t num)</div><div class="ttdoc">Resize including initialization of new memory (cf. std::vector<>) </div><div class="ttdef"><b>Definition:</b> <a href="backend_2util_8hpp_source.html#l00138">util.hpp:138</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cpu__ram_html_a812c9e949c4a31f8ad34fe03af0f95aa"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a812c9e949c4a31f8ad34fe03af0f95aa">viennacl::backend::cpu_ram::memory_write</a></div><div class="ttdeci">void memory_write(handle_type &dst_buffer, vcl_size_t dst_offset, vcl_size_t bytes_to_copy, const void *ptr, bool)</div><div class="ttdoc">Writes data from main RAM identified by 'ptr' to the buffer identified by 'dst_buffer'. </div><div class="ttdef"><b>Definition:</b> <a href="cpu__ram_8hpp_source.html#l00131">cpu_ram.hpp:131</a></div></div>
<div class="ttc" id="context_8hpp_html"><div class="ttname"><a href="context_8hpp.html">context.hpp</a></div><div class="ttdoc">Implementation of a OpenCL-like context, which serves as a unification of {OpenMP, CUDA, OpenCL} at the user API. </div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1detail_html_af9f9cc6c50debc5b1d93e458d1fd392a"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1detail.html#af9f9cc6c50debc5b1d93e458d1fd392a">viennacl::backend::detail::element_size</a></div><div class="ttdeci">vcl_size_t element_size(memory_types)</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00299">memory.hpp:299</a></div></div>
<div class="ttc" id="classviennacl_1_1context_html"><div class="ttname"><a href="classviennacl_1_1context.html">viennacl::context</a></div><div class="ttdoc">Represents a generic 'context' similar to an OpenCL context, but is backend-agnostic and thus also su...</div><div class="ttdef"><b>Definition:</b> <a href="context_8hpp_source.html#l00039">context.hpp:39</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1detail_html_a37a80732ade332cb8b1c0a17ed181b54"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1detail.html#a37a80732ade332cb8b1c0a17ed181b54">viennacl::backend::detail::element_size< unsigned int ></a></div><div class="ttdeci">vcl_size_t element_size< unsigned int >(memory_types)</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00335">memory.hpp:335</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1detail_html_a06e699859e0bf8a0dae58fa9814abf45"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1detail.html#a06e699859e0bf8a0dae58fa9814abf45">viennacl::backend::detail::element_size< long ></a></div><div class="ttdeci">vcl_size_t element_size< long >(memory_types)</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00320">memory.hpp:320</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1detail_html_a84e78df5ffd86afde0313ac849b0909a"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1detail.html#a84e78df5ffd86afde0313ac849b0909a">viennacl::backend::detail::element_size< int ></a></div><div class="ttdeci">vcl_size_t element_size< int >(memory_types)</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00349">memory.hpp:349</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1opencl_html_a347eef11410dffb4b31b28657538290e"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1opencl.html#a347eef11410dffb4b31b28657538290e">viennacl::backend::opencl::memory_copy</a></div><div class="ttdeci">void memory_copy(viennacl::ocl::handle< cl_mem > const &src_buffer, viennacl::ocl::handle< cl_mem > &dst_buffer, vcl_size_t src_offset, vcl_size_t dst_offset, vcl_size_t bytes_to_copy)</div><div class="ttdoc">Copies 'bytes_to_copy' bytes from address 'src_buffer + src_offset' in the OpenCL context to memory s...</div><div class="ttdef"><b>Definition:</b> <a href="opencl_8hpp_source.html#l00069">opencl.hpp:69</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f"><div class="ttname"><a href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a020ede27e1975479bce748e0e4ea3c7f">viennacl::MEMORY_NOT_INITIALIZED</a></div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00347">forwards.h:347</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2"><div class="ttname"><a href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8ab58facda25e2c7e20d9fe1b5e62f46d2">viennacl::CUDA_MEMORY</a></div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00350">forwards.h:350</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1ocl_html_ac7871671987d322a8766aea79b1cd17a"><div class="ttname"><a href="namespaceviennacl_1_1ocl.html#ac7871671987d322a8766aea79b1cd17a">viennacl::ocl::get_queue</a></div><div class="ttdeci">viennacl::ocl::command_queue & get_queue()</div><div class="ttdoc">Convenience function for getting the default queue for the currently active device in the active cont...</div><div class="ttdef"><b>Definition:</b> <a href="backend_8hpp_source.html#l00320">backend.hpp:320</a></div></div>
<div class="ttc" id="cpu__ram_8hpp_html"><div class="ttname"><a href="cpu__ram_8hpp.html">cpu_ram.hpp</a></div><div class="ttdoc">Implementations for the OpenCL backend functionality. </div></div>
<div class="ttc" id="traits_2context_8hpp_html"><div class="ttname"><a href="traits_2context_8hpp.html">context.hpp</a></div><div class="ttdoc">Extracts the underlying context from objects. </div></div>
<div class="ttc" id="mem__handle_8hpp_html"><div class="ttname"><a href="mem__handle_8hpp.html">mem_handle.hpp</a></div><div class="ttdoc">Implements the multi-memory-domain handle. </div></div>
<div class="ttc" id="namespaceviennacl_html_a98a0afcc513111ffa0bd138f891930df"><div class="ttname"><a href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a></div><div class="ttdeci">std::size_t vcl_size_t</div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00075">forwards.h:75</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a125b816cda53b54723572f319c096e68"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a125b816cda53b54723572f319c096e68">viennacl::backend::switch_memory_context</a></div><div class="ttdeci">void switch_memory_context(mem_handle &handle, viennacl::context new_ctx)</div><div class="ttdoc">Switches the active memory domain within a memory handle. Data is copied if the new active domain dif...</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00368">memory.hpp:368</a></div></div>
<div class="ttc" id="cuda_8hpp_html"><div class="ttname"><a href="cuda_8hpp.html">cuda.hpp</a></div><div class="ttdoc">Implementations for the CUDA backend functionality. </div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cpu__ram_html_a307263f9deed5ce983ae50ebda5c1e0b"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cpu__ram.html#a307263f9deed5ce983ae50ebda5c1e0b">viennacl::backend::cpu_ram::memory_copy</a></div><div class="ttdeci">void memory_copy(handle_type const &src_buffer, handle_type &dst_buffer, vcl_size_t src_offset, vcl_size_t dst_offset, vcl_size_t bytes_to_copy)</div><div class="ttdoc">Copies 'bytes_to_copy' bytes from address 'src_buffer + src_offset' to memory starting at address 'ds...</div><div class="ttdef"><b>Definition:</b> <a href="cpu__ram_8hpp_source.html#l00108">cpu_ram.hpp:108</a></div></div>
<div class="ttc" id="backend_8hpp_html"><div class="ttname"><a href="backend_8hpp.html">backend.hpp</a></div><div class="ttdoc">Implementations of the OpenCL backend, where all contexts are stored in. </div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a0238c5401fc7e05c3641b1ad5e872458"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a0238c5401fc7e05c3641b1ad5e872458">viennacl::backend::default_memory_type</a></div><div class="ttdeci">memory_types default_memory_type()</div><div class="ttdoc">Returns the default memory type for the given configuration. </div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00073">mem_handle.hpp:73</a></div></div>
<div class="ttc" id="classviennacl_1_1context_html_aadf575d49ed144e8fa4707cdad69c349"><div class="ttname"><a href="classviennacl_1_1context.html#aadf575d49ed144e8fa4707cdad69c349">viennacl::context::memory_type</a></div><div class="ttdeci">viennacl::memory_types memory_type() const </div><div class="ttdef"><b>Definition:</b> <a href="context_8hpp_source.html#l00076">context.hpp:76</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4"><div class="ttname"><a href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8a427356f0fb1b8d32b28f37e36b272df4">viennacl::MAIN_MEMORY</a></div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00348">forwards.h:348</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cuda_html_a04f56fb87325788ff61c07a5613bf2cc"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cuda.html#a04f56fb87325788ff61c07a5613bf2cc">viennacl::backend::cuda::memory_create</a></div><div class="ttdeci">handle_type memory_create(vcl_size_t size_in_bytes, const void *host_ptr=NULL)</div><div class="ttdoc">Creates an array of the specified size on the CUDA device. If the second argument is provided...</div><div class="ttdef"><b>Definition:</b> <a href="cuda_8hpp_source.html#l00103">cuda.hpp:103</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1mem__handle_html_ac13e99f562746d6682116dec1e13a7da"><div class="ttname"><a href="classviennacl_1_1backend_1_1mem__handle.html#ac13e99f562746d6682116dec1e13a7da">viennacl::backend::mem_handle::switch_active_handle_id</a></div><div class="ttdeci">void switch_active_handle_id(memory_types new_id)</div><div class="ttdoc">Switches the currently active handle. If no support for that backend is provided, an exception is thr...</div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00121">mem_handle.hpp:121</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a39a91fd7aa68ebf64bd7bfa409732ec0"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a39a91fd7aa68ebf64bd7bfa409732ec0">viennacl::backend::memory_copy</a></div><div class="ttdeci">void memory_copy(mem_handle const &src_buffer, mem_handle &dst_buffer, vcl_size_t src_offset, vcl_size_t dst_offset, vcl_size_t bytes_to_copy)</div><div class="ttdoc">Copies 'bytes_to_copy' bytes from address 'src_buffer + src_offset' to memory starting at address 'ds...</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00140">memory.hpp:140</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1traits_html_a6707f5dab8f482170d2046a605f46ef8"><div class="ttname"><a href="namespaceviennacl_1_1traits.html#a6707f5dab8f482170d2046a605f46ef8">viennacl::traits::context</a></div><div class="ttdeci">viennacl::context context(T const &t)</div><div class="ttdoc">Returns an ID for the currently active memory domain of an object. </div><div class="ttdef"><b>Definition:</b> <a href="traits_2context_8hpp_source.html#l00040">context.hpp:40</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_1_1cuda_html_a29d2b6cd7339444f3a6818d82b54dc92"><div class="ttname"><a href="namespaceviennacl_1_1backend_1_1cuda.html#a29d2b6cd7339444f3a6818d82b54dc92">viennacl::backend::cuda::memory_read</a></div><div class="ttdeci">void memory_read(handle_type const &src_buffer, vcl_size_t src_offset, vcl_size_t bytes_to_copy, void *ptr, bool async=false)</div><div class="ttdoc">Reads data from a CUDA buffer back to main RAM. </div><div class="ttdef"><b>Definition:</b> <a href="cuda_8hpp_source.html#l00183">cuda.hpp:183</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1typesafe__host__array_html_ac31bfde381eb40e0349678252c444af9"><div class="ttname"><a href="classviennacl_1_1backend_1_1typesafe__host__array.html#ac31bfde381eb40e0349678252c444af9">viennacl::backend::typesafe_host_array::set</a></div><div class="ttdeci">void set(vcl_size_t index, U value)</div><div class="ttdef"><b>Definition:</b> <a href="backend_2util_8hpp_source.html#l00115">util.hpp:115</a></div></div>
<div class="ttc" id="classviennacl_1_1tools_1_1shared__ptr_html_a94b55605751a49602f2f1e8df576d740"><div class="ttname"><a href="classviennacl_1_1tools_1_1shared__ptr.html#a94b55605751a49602f2f1e8df576d740">viennacl::tools::shared_ptr::get</a></div><div class="ttdeci">T * get() const </div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr_8hpp_source.html#l00101">shared_ptr.hpp:101</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1mem__handle_html"><div class="ttname"><a href="classviennacl_1_1backend_1_1mem__handle.html">viennacl::backend::mem_handle</a></div><div class="ttdoc">Main abstraction class for multiple memory domains. Represents a buffer in either main RAM...</div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00089">mem_handle.hpp:89</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1mem__handle_html_ac8373f0d899b89c843e14de4cb7a1c4a"><div class="ttname"><a href="classviennacl_1_1backend_1_1mem__handle.html#ac8373f0d899b89c843e14de4cb7a1c4a">viennacl::backend::mem_handle::raw_size</a></div><div class="ttdeci">vcl_size_t raw_size() const </div><div class="ttdoc">Returns the number of bytes of the currently active buffer. </div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00230">mem_handle.hpp:230</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a1499f19634964e2c7c8aeeefc6206126"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a1499f19634964e2c7c8aeeefc6206126">viennacl::backend::memory_create</a></div><div class="ttdeci">void memory_create(mem_handle &handle, vcl_size_t size_in_bytes, viennacl::context const &ctx, const void *host_ptr=NULL)</div><div class="ttdoc">Creates an array of the specified size. If the second argument is provided, the buffer is initialized...</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00087">memory.hpp:87</a></div></div>
<div class="ttc" id="traits_2handle_8hpp_html"><div class="ttname"><a href="traits_2handle_8hpp.html">handle.hpp</a></div><div class="ttdoc">Extracts the underlying OpenCL handle from a vector, a matrix, an expression etc. ...</div></div>
<div class="ttc" id="opencl_8hpp_html"><div class="ttname"><a href="opencl_8hpp.html">opencl.hpp</a></div><div class="ttdoc">Implementations for the OpenCL backend functionality. </div></div>
<div class="ttc" id="namespaceviennacl_1_1traits_html_ae39853b7f291a697e119a139439178fb"><div class="ttname"><a href="namespaceviennacl_1_1traits.html#ae39853b7f291a697e119a139439178fb">viennacl::traits::handle</a></div><div class="ttdeci">viennacl::backend::mem_handle & handle(T &obj)</div><div class="ttdoc">Returns the generic memory handle of an object. Non-const version. </div><div class="ttdef"><b>Definition:</b> <a href="traits_2handle_8hpp_source.html#l00041">handle.hpp:41</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a00b40450b6b2fd87aad3527d9b2084b8"><div class="ttname"><a href="namespaceviennacl.html#a00b40450b6b2fd87aad3527d9b2084b8">viennacl::memory_types</a></div><div class="ttdeci">memory_types</div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00345">forwards.h:345</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1typesafe__host__array_html_a1a408130e0f633ffb1d12122873e3592"><div class="ttname"><a href="classviennacl_1_1backend_1_1typesafe__host__array.html#a1a408130e0f633ffb1d12122873e3592">viennacl::backend::typesafe_host_array::raw_size</a></div><div class="ttdeci">vcl_size_t raw_size() const </div><div class="ttdef"><b>Definition:</b> <a href="backend_2util_8hpp_source.html#l00111">util.hpp:111</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1backend_html_a8548a37535eac92e886cb183182b618f"><div class="ttname"><a href="namespaceviennacl_1_1backend.html#a8548a37535eac92e886cb183182b618f">viennacl::backend::memory_shallow_copy</a></div><div class="ttdeci">void memory_shallow_copy(mem_handle const &src_buffer, mem_handle &dst_buffer)</div><div class="ttdoc">A 'shallow' copy operation from an initialized buffer to an uninitialized buffer. The uninitialized b...</div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00177">memory.hpp:177</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1mem__handle_html_ab55c00bfcae173df466a709fdaae2a55"><div class="ttname"><a href="classviennacl_1_1backend_1_1mem__handle.html#ab55c00bfcae173df466a709fdaae2a55">viennacl::backend::mem_handle::ram_handle</a></div><div class="ttdeci">ram_handle_type & ram_handle()</div><div class="ttdoc">Returns the handle to a buffer in CPU RAM. NULL is returned if no such buffer has been allocated...</div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00099">mem_handle.hpp:99</a></div></div>
<div class="ttc" id="classviennacl_1_1backend_1_1mem__handle_html_a5951aceb881068a77b4af8825b547ea3"><div class="ttname"><a href="classviennacl_1_1backend_1_1mem__handle.html#a5951aceb881068a77b4af8825b547ea3">viennacl::backend::mem_handle::get_active_handle_id</a></div><div class="ttdeci">memory_types get_active_handle_id() const </div><div class="ttdoc">Returns an ID for the currently active memory buffer. Other memory buffers might contain old or no da...</div><div class="ttdef"><b>Definition:</b> <a href="mem__handle_8hpp_source.html#l00118">mem_handle.hpp:118</a></div></div>
<div class="ttc" id="backend_2util_8hpp_html"><div class="ttname"><a href="backend_2util_8hpp.html">util.hpp</a></div><div class="ttdoc">Helper functionality for working with different memory domains. </div></div>
<div class="ttc" id="namespaceviennacl_html_a87d41d517b3d0daca8b1536e15e6659d"><div class="ttname"><a href="namespaceviennacl.html#a87d41d517b3d0daca8b1536e15e6659d">viennacl::switch_memory_context</a></div><div class="ttdeci">void switch_memory_context(T &obj, viennacl::context new_ctx)</div><div class="ttdoc">Generic convenience routine for migrating data of an object to a new memory domain. </div><div class="ttdef"><b>Definition:</b> <a href="memory_8hpp_source.html#l00622">memory.hpp:622</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_c82e3d11dd171600f4a6e0cab1ec1e0d.html">viennacl</a></li><li class="navelem"><a class="el" href="dir_225062f072d8eb572e25b876c44903f8.html">backend</a></li><li class="navelem"><a class="el" href="memory_8hpp.html">memory.hpp</a></li>
<li class="footer">Generated on Wed Jan 20 2016 22:32:39 for ViennaCL - The Vienna Computing Library by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
</ul>
</div>
</body>
</html>
|
