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
|
from mpi4py import MPI
import unittest
import sys, os
sys.path.insert(0, os.path.dirname(__file__))
from reductions import Intracomm
del sys.path[0]
class BaseTest:
def test_reduce(self):
rank = self.comm.rank
size = self.comm.size
for root in range(size):
msg = rank
res = self.comm.reduce(sendobj=msg, root=root)
if self.comm.rank == root:
self.assertEqual(res, sum(range(size)))
else:
self.assertIsNone(res)
def test_reduce_min(self):
rank = self.comm.rank
size = self.comm.size
for root in range(size):
msg = rank
res = self.comm.reduce(sendobj=msg, op=MPI.MIN, root=root)
if self.comm.rank == root:
self.assertEqual(res, 0)
else:
self.assertIsNone(res)
def test_reduce_max(self):
rank = self.comm.rank
size = self.comm.size
for root in range(size):
msg = rank
res = self.comm.reduce(sendobj=msg, op=MPI.MAX, root=root)
if self.comm.rank == root:
self.assertEqual(res, size-1)
else:
self.assertIsNone(res)
def test_reduce_minloc(self):
rank = self.comm.rank
size = self.comm.size
for root in range(size):
msg = rank
res = self.comm.reduce(sendobj=(msg, rank), op=MPI.MINLOC, root=root)
if self.comm.rank == root:
self.assertEqual(res, (0, 0))
else:
self.assertIsNone(res)
def test_reduce_maxloc(self):
rank = self.comm.rank
size = self.comm.size
for root in range(size):
msg = rank
res = self.comm.reduce(sendobj=(msg, rank), op=MPI.MAXLOC, root=root)
if self.comm.rank == root:
self.assertEqual(res, (size-1, size-1))
else:
self.assertIsNone(res)
def test_allreduce(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.allreduce(sendobj=msg)
self.assertEqual(res, sum(range(size)))
def test_allreduce_min(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.allreduce(sendobj=msg, op=MPI.MIN)
self.assertEqual(res, 0)
def test_allreduce_max(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.allreduce(sendobj=msg, op=MPI.MAX)
self.assertEqual(res, size-1)
def test_allreduce_minloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.allreduce(sendobj=(msg, rank), op=MPI.MINLOC)
self.assertEqual(res, (0, 0))
def test_allreduce_maxloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.allreduce(sendobj=(msg, rank), op=MPI.MAXLOC)
self.assertEqual(res, (size-1, size-1))
def test_scan(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.scan(sendobj=msg)
self.assertEqual(res, sum(list(range(size))[:rank+1]))
def test_scan_min(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.scan(sendobj=msg, op=MPI.MIN)
self.assertEqual(res, 0)
def test_scan_max(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.scan(sendobj=msg, op=MPI.MAX)
self.assertEqual(res, rank)
def test_scan_minloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.scan(sendobj=(msg, rank), op=MPI.MINLOC)
self.assertEqual(res, (0, 0))
def test_scan_maxloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.scan(sendobj=(msg, rank), op=MPI.MAXLOC)
self.assertEqual(res, (rank, rank))
def test_exscan(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.exscan(sendobj=msg)
if self.comm.rank == 0:
self.assertIsNone(res)
else:
self.assertEqual(res, sum(list(range(size))[:rank]))
def test_exscan_min(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.exscan(sendobj=msg, op=MPI.MIN)
if self.comm.rank == 0:
self.assertIsNone(res)
else:
self.assertEqual(res, 0)
def test_exscan_max(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.exscan(sendobj=msg, op=MPI.MAX)
if self.comm.rank == 0:
self.assertIsNone(res)
else:
self.assertEqual(res, rank-1)
def test_exscan_minloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.exscan(sendobj=(msg, rank), op=MPI.MINLOC)
if self.comm.rank == 0:
self.assertIsNone(res)
else:
self.assertEqual(res, (0, 0))
def test_exscan_maxloc(self):
rank = self.comm.rank
size = self.comm.size
msg = rank
res = self.comm.exscan(sendobj=(msg, rank), op=MPI.MAXLOC)
if self.comm.rank == 0:
self.assertIsNone(res)
else:
self.assertEqual(res, (rank-1, rank-1))
class TestS(BaseTest, unittest.TestCase):
def setUp(self):
self.comm = Intracomm(MPI.COMM_SELF)
class TestW(BaseTest, unittest.TestCase):
def setUp(self):
self.comm = Intracomm(MPI.COMM_WORLD)
class TestSD(BaseTest, unittest.TestCase):
def setUp(self):
self.comm = Intracomm(MPI.COMM_SELF.Dup())
def tearDown(self):
self.comm.Free()
class TestWD(BaseTest, unittest.TestCase):
def setUp(self):
self.comm = Intracomm(MPI.COMM_WORLD.Dup())
def tearDown(self):
self.comm.Free()
if __name__ == "__main__":
unittest.main()
|
