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
|
from mpi4py import MPI
import mpiunittest as unittest
import os, tempfile, pathlib
def maketemp(prefix):
fd, name = tempfile.mkstemp(prefix=prefix)
os.close(fd)
return name
class BaseTestFile:
COMM = MPI.COMM_NULL
FILE = MPI.FILE_NULL
prefix = 'mpi4py'
def setUp(self):
self.fname = maketemp(self.prefix)
self.amode = MPI.MODE_RDWR | MPI.MODE_CREATE
#self.amode |= MPI.MODE_DELETE_ON_CLOSE
try:
self.FILE = MPI.File.Open(
self.COMM,
self.fname,
self.amode,
MPI.INFO_NULL,
)
#self.fname=None
except Exception:
os.remove(self.fname)
raise
def tearDown(self):
if self.FILE == MPI.FILE_NULL: return
amode = self.FILE.amode
self.FILE.Close()
if not (amode & MPI.MODE_DELETE_ON_CLOSE):
MPI.File.Delete(self.fname, MPI.INFO_NULL)
@unittest.skipMPI('openmpi(==2.0.0)')
@unittest.skipMPI('MPICH2(<1.1.0)')
def testPreallocate(self):
size = self.FILE.Get_size()
self.assertEqual(size, 0)
self.FILE.Preallocate(1)
size = self.FILE.Get_size()
self.assertEqual(size, 1)
self.FILE.Preallocate(100)
size = self.FILE.Get_size()
self.assertEqual(size, 100)
self.FILE.Preallocate(10)
size = self.FILE.Get_size()
self.assertEqual(size, 100)
self.FILE.Preallocate(200)
size = self.FILE.Get_size()
self.assertEqual(size, 200)
def testGetSetSize(self):
size = self.FILE.Get_size()
self.assertEqual(size, 0)
size = self.FILE.size
self.assertEqual(size, 0)
self.FILE.Set_size(100)
size = self.FILE.Get_size()
self.assertEqual(size, 100)
size = self.FILE.size
self.assertEqual(size, 100)
def testGetGroup(self):
fgroup = self.FILE.Get_group()
cgroup = self.COMM.Get_group()
gcomp = MPI.Group.Compare(fgroup, cgroup)
self.assertEqual(gcomp, MPI.IDENT)
fgroup.Free()
cgroup.Free()
def testGetAmode(self):
amode = self.FILE.Get_amode()
self.assertEqual(self.amode, amode)
self.assertEqual(self.FILE.amode, self.amode)
def testGetSetInfo(self):
#info = MPI.INFO_NULL
#self.FILE.Set_info(info)
info = MPI.Info.Create()
self.FILE.Set_info(info)
info.Free()
info = self.FILE.Get_info()
self.FILE.Set_info(info)
info.Free()
def testGetSetView(self):
fsize = 100 * MPI.DOUBLE.size
self.FILE.Set_size(fsize)
displacements = range(100)
datatypes = [MPI.SHORT, MPI.INT, MPI.LONG, MPI.FLOAT, MPI.DOUBLE]
datareps = ['native'] #['native', 'internal', 'external32']
for disp in displacements:
for dtype in datatypes:
for datarep in datareps:
etype, ftype = dtype, dtype
self.FILE.Set_view(disp, etype, ftype,
datarep, MPI.INFO_NULL)
of, et, ft, dr = self.FILE.Get_view()
self.assertEqual(disp, of)
self.assertEqual(etype.Get_extent(), et.Get_extent())
self.assertEqual(ftype.Get_extent(), ft.Get_extent())
self.assertEqual(datarep, dr)
try:
if not et.is_predefined: et.Free()
except NotImplementedError:
if et != etype: et.Free()
try:
if not ft.is_predefined: ft.Free()
except NotImplementedError:
if ft != ftype: ft.Free()
def testGetSetAtomicity(self):
atom = self.FILE.Get_atomicity()
self.assertFalse(atom)
for atomicity in [True, False] * 4:
self.FILE.Set_atomicity(atomicity)
atom = self.FILE.Get_atomicity()
self.assertEqual(atom, atomicity)
def testSync(self):
self.FILE.Sync()
def testSeekGetPosition(self):
offset = 0
self.FILE.Seek(offset, MPI.SEEK_END)
self.FILE.Seek(offset, MPI.SEEK_CUR)
self.FILE.Seek(offset, MPI.SEEK_SET)
pos = self.FILE.Get_position()
self.assertEqual(pos, offset)
def testSeekGetPositionShared(self):
offset = 0
self.FILE.Seek_shared(offset, MPI.SEEK_END)
self.FILE.Seek_shared(offset, MPI.SEEK_CUR)
self.FILE.Seek_shared(offset, MPI.SEEK_SET)
pos = self.FILE.Get_position_shared()
self.assertEqual(pos, offset)
@unittest.skipMPI('openmpi(==2.0.0)')
def testGetByteOffset(self):
for offset in range(10):
disp = self.FILE.Get_byte_offset(offset)
self.assertEqual(disp, offset)
def testGetTypeExtent(self):
extent = self.FILE.Get_type_extent(MPI.BYTE)
self.assertEqual(extent, 1)
def testGetErrhandler(self):
eh = self.FILE.Get_errhandler()
self.assertEqual(eh, MPI.ERRORS_RETURN)
eh.Free()
def testPyProps(self):
file = self.FILE
#
self.assertEqual(file.size, 0)
self.assertEqual(file.amode, self.amode)
#
group = file.group
self.assertEqual(type(group), MPI.Group)
self.assertEqual(file.group_size, group.Get_size())
self.assertEqual(file.group_rank, group.Get_rank())
group.Free()
#
info = file.info
self.assertEqual(type(info), MPI.Info)
file.info = info
info.Free()
#
self.assertEqual(type(file.atomicity), bool)
for atomicity in [True, False] * 4:
file.atomicity = atomicity
self.assertEqual(file.atomicity, atomicity)
def testPickle(self):
from pickle import dumps, loads
with self.assertRaises(ValueError):
loads(dumps(self.FILE))
class TestFileNull(unittest.TestCase):
def setUp(self):
self.eh_save = MPI.FILE_NULL.Get_errhandler()
def tearDown(self):
MPI.FILE_NULL.Set_errhandler(self.eh_save)
self.eh_save.Free()
def testGetSetErrhandler(self):
eh = MPI.FILE_NULL.Get_errhandler()
self.assertEqual(eh, MPI.ERRORS_RETURN)
eh.Free()
MPI.FILE_NULL.Set_errhandler(MPI.ERRORS_ARE_FATAL)
eh = MPI.FILE_NULL.Get_errhandler()
self.assertEqual(eh, MPI.ERRORS_ARE_FATAL)
eh.Free()
MPI.FILE_NULL.Set_errhandler(MPI.ERRORS_RETURN)
eh = MPI.FILE_NULL.Get_errhandler()
self.assertEqual(eh, MPI.ERRORS_RETURN)
eh.Free()
class TestFileSelf(BaseTestFile, unittest.TestCase):
COMM = MPI.COMM_SELF
prefix = BaseTestFile.prefix + (f'-{MPI.COMM_WORLD.Get_rank()}')
class TestFilePath(BaseTestFile, unittest.TestCase):
COMM = MPI.COMM_SELF
prefix = BaseTestFile.prefix + (f'-{MPI.COMM_WORLD.Get_rank()}')
@staticmethod
def _test_open_close(path):
comm = MPI.COMM_SELF
amode = MPI.MODE_CREATE | MPI.MODE_RDWR
amode |= MPI.MODE_DELETE_ON_CLOSE
try:
fh = MPI.File.Open(comm, path, amode)
except:
os.remove(path)
raise
else:
MPI.File.Close(fh)
def testPath(self):
name = maketemp(self.prefix)
path = pathlib.PurePath(name)
self._test_open_close(path)
def testStr(self):
name = maketemp(self.prefix)
path = os.fsdecode(os.fsencode(name))
self._test_open_close(path)
def testBytes(self):
name = maketemp(self.prefix)
path = os.fsencode(name)
self._test_open_close(path)
def have_feature():
case = BaseTestFile()
case.COMM = TestFileSelf.COMM
case.prefix = TestFileSelf.prefix
case.setUp()
case.tearDown()
try:
have_feature()
except NotImplementedError:
unittest.disable(BaseTestFile, 'mpi-file')
unittest.disable(TestFileNull, 'mpi-file')
unittest.disable(TestFilePath, 'mpi-file')
if __name__ == '__main__':
unittest.main()
|
