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
|
//------------------------------------------------------------------------------
// GB_bitmap_AxB_saxpy: compute C=A*B, C<M>=A*B, or C<!M>=A*B; C bitmap
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_bitmap_AxB_saxpy.h"
#include "GB_AxB_saxpy_generic.h"
#include "GB_AxB__include1.h"
#ifndef GBCUDA_DEV
#include "GB_AxB__include2.h"
#endif
#define GB_FREE_ALL GB_phybix_free (C) ;
//------------------------------------------------------------------------------
// GB_bitmap_AxB_saxpy: compute C=A*B, C<M>=A*B, or C<!M>=A*B
//------------------------------------------------------------------------------
// TODO: also pass in the user's C and the accum operator, and done_in_place,
// like GB_AxB_dot4.
GB_PUBLIC // for testing only
GrB_Info GB_bitmap_AxB_saxpy // C = A*B where C is bitmap
(
GrB_Matrix C, // output matrix, static header
const bool C_iso, // true if C is iso
const GB_void *cscalar, // iso value of C
const GrB_Matrix M, // optional mask matrix
const bool Mask_comp, // if true, use !M
const bool Mask_struct, // if true, use the only structure of M
const GrB_Matrix A, // input matrix A
const GrB_Matrix B, // input matrix B
const GrB_Semiring semiring, // semiring that defines C=A*B
const bool flipxy, // if true, do z=fmult(b,a) vs fmult(a,b)
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GrB_Info info ;
ASSERT (C != NULL && (C->static_header || GBNSTATIC)) ;
ASSERT_MATRIX_OK_OR_NULL (M, "M for bitmap saxpy A*B", GB0) ;
ASSERT (!GB_PENDING (M)) ;
ASSERT (GB_JUMBLED_OK (M)) ;
ASSERT (!GB_ZOMBIES (M)) ;
ASSERT_MATRIX_OK (A, "A for bitmap saxpy A*B", GB0) ;
ASSERT (!GB_PENDING (A)) ;
ASSERT (GB_JUMBLED_OK (A)) ;
ASSERT (!GB_ZOMBIES (A)) ;
ASSERT_MATRIX_OK (B, "B for bitmap saxpy A*B", GB0) ;
ASSERT (!GB_PENDING (B)) ;
ASSERT (GB_JUMBLED_OK (B)) ;
ASSERT (!GB_ZOMBIES (B)) ;
ASSERT_SEMIRING_OK (semiring, "semiring for bitmap saxpy A*B", GB0) ;
ASSERT (A->vdim == B->vlen) ;
//--------------------------------------------------------------------------
// construct C
//--------------------------------------------------------------------------
// TODO: If C is the right type on input, and accum is the same as the
// monoid, then do not create C, but compute in-place instead.
// Cb is set to all zero. C->x is malloc'd unless C is iso, in which case
// it is calloc'ed.
GrB_Type ctype = semiring->add->op->ztype ;
int64_t cnzmax = 1 ;
(void) GB_int64_multiply ((GrB_Index *) &cnzmax, A->vlen, B->vdim) ;
// set C->iso = C_iso OK
GB_OK (GB_new_bix (&C, // existing header
ctype, A->vlen, B->vdim, GB_Ap_null, true, GxB_BITMAP, true,
GB_HYPER_SWITCH_DEFAULT, -1, cnzmax, true, C_iso, Context)) ;
C->magic = GB_MAGIC ;
//--------------------------------------------------------------------------
// get the semiring operators
//--------------------------------------------------------------------------
GrB_BinaryOp mult = semiring->multiply ;
// GrB_Monoid add = semiring->add ;
ASSERT (mult->ztype == semiring->add->op->ztype) ;
bool A_is_pattern, B_is_pattern ;
GB_binop_pattern (&A_is_pattern, &B_is_pattern, flipxy, mult->opcode) ;
//--------------------------------------------------------------------------
// C<#M>=A*B
//--------------------------------------------------------------------------
if (C_iso)
{
//----------------------------------------------------------------------
// C is iso; compute the pattern of C<#>=A*B with the any_pair semiring
//----------------------------------------------------------------------
GBURBLE ("(iso bitmap saxpy) ") ;
memcpy (C->x, cscalar, ctype->size) ;
info = GB (_AsaxbitB__any_pair_iso) (C, M, Mask_comp, Mask_struct, A,
B, Context) ;
}
else
{
//----------------------------------------------------------------------
// C is non-iso
//----------------------------------------------------------------------
GBURBLE ("(bitmap saxpy) ") ;
bool done = false ;
#ifndef GBCUDA_DEV
//------------------------------------------------------------------
// define the worker for the switch factory
//------------------------------------------------------------------
#define GB_AsaxbitB(add,mult,xname) \
GB (_AsaxbitB_ ## add ## mult ## xname)
#define GB_AxB_WORKER(add,mult,xname) \
{ \
info = GB_AsaxbitB (add,mult,xname) (C, M, Mask_comp, \
Mask_struct, A, B, Context) ; \
done = (info != GrB_NO_VALUE) ; \
} \
break ;
//------------------------------------------------------------------
// launch the switch factory
//------------------------------------------------------------------
GB_Opcode mult_binop_code, add_binop_code ;
GB_Type_code xcode, ycode, zcode ;
if (GB_AxB_semiring_builtin (A, A_is_pattern, B, B_is_pattern,
semiring, flipxy, &mult_binop_code, &add_binop_code, &xcode,
&ycode, &zcode))
{
#include "GB_AxB_factory.c"
}
#endif
//----------------------------------------------------------------------
// generic method
//----------------------------------------------------------------------
if (!done)
{
info = GB_AxB_saxpy_generic (C, M, Mask_comp, Mask_struct,
true, A, A_is_pattern, B, B_is_pattern, semiring,
flipxy, GB_SAXPY_METHOD_BITMAP,
NULL, 0, 0, 0, 0,
Context) ;
}
}
if (info != GrB_SUCCESS)
{
// out of memory
GB_FREE_ALL ;
return (GrB_OUT_OF_MEMORY) ;
}
//--------------------------------------------------------------------------
// return result
//--------------------------------------------------------------------------
ASSERT_MATRIX_OK (C, "C bitmap saxpy output", GB0) ;
return (GrB_SUCCESS) ;
}
|
