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from mpi4py import MPI
import mpiunittest as unittest
import arrayimpl
import os, sys, platform
import platform
def allclose(a, b, rtol=1.e-5, atol=1.e-8):
try:
iter(a)
except TypeError:
a = [a]
try:
iter(b)
except TypeError:
b = [b]
for x, y in zip(a, b):
if x == y:
continue
if abs(x - y) > (atol + rtol * abs(y)):
return False
return True
class BaseTestPack:
COMM = MPI.COMM_NULL
skipdtype = []
def testPackSize(self):
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
if typecode in self.skipdtype: continue
datatype = array.TypeMap[typecode]
itemsize = datatype.Get_size()
overhead = datatype.Pack_size(0, self.COMM)
for count in range(10):
with self.subTest(count=count):
pack_size = datatype.Pack_size(count, self.COMM)
self.assertEqual(pack_size - overhead, count*itemsize)
def testPackUnpack(self):
for array, typecode1 in arrayimpl.loop():
with arrayimpl.test(self):
if typecode1 in self.skipdtype: continue
for typecode2 in array.TypeMap:
if typecode2 in self.skipdtype: continue
datatype1 = array.TypeMap[typecode1]
datatype2 = array.TypeMap[typecode2]
for count in range(10):
with self.subTest(typecode=(typecode1, typecode2), count=count):
# input and output arrays
iarray1 = array(range(count), typecode1).as_raw()
iarray2 = array(range(count), typecode2).as_raw()
oarray1 = array(count, typecode1, count).as_raw()
oarray2 = array(count, typecode2, count).as_raw()
# temp array for packing
size1 = datatype1.Pack_size(len(iarray1), self.COMM)
size2 = datatype2.Pack_size(len(iarray2), self.COMM)
tmpbuf = array(0, 'b', size1 + size2 + 1).as_raw()
# pack input arrays
position = 0
position = datatype1.Pack(iarray1, tmpbuf, position, self.COMM)
position = datatype2.Pack(iarray2, tmpbuf, position, self.COMM)
# unpack output arrays
position = 0
position = datatype1.Unpack(tmpbuf, position, oarray1, self.COMM)
position = datatype2.Unpack(tmpbuf, position, oarray2, self.COMM)
# test
self.assertTrue(allclose(iarray1, oarray1))
self.assertTrue(allclose(iarray2, oarray2))
EXT32 = 'external32'
class BaseTestPackExternal:
skipdtype = []
def testPackSize(self):
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
if typecode in self.skipdtype: continue
datatype = array.TypeMap[typecode]
overhead = datatype.Pack_external_size(EXT32, 0)
for count in range(10):
with self.subTest(count=count):
pack_size = datatype.Pack_external_size(EXT32, count)
real_size = pack_size - overhead
self.assertGreaterEqual(real_size, 0)
@unittest.skipMPI("openmpi(<5.0)", platform.machine() == 'sparc64')
def testPackUnpackExternal(self):
for array, typecode1 in arrayimpl.loop():
with arrayimpl.test(self):
if unittest.is_mpi_gpu('mpich', array): continue
if unittest.is_mpi_gpu('openmpi', array): continue
if unittest.is_mpi_gpu('mvapich', array): continue
if typecode1 in self.skipdtype: continue
for typecode2 in array.TypeMap:
if typecode2 in self.skipdtype: continue
datatype1 = array.TypeMap[typecode1]
datatype2 = array.TypeMap[typecode2]
for count in range(1, 10):
with self.subTest(count=count, typecode=(typecode1, typecode2)):
# input and output arrays
val = 127 if typecode1 == 'b' else 255
iarray1 = array(val, typecode1, count).as_raw()
iarray2 = array(range(count), typecode2).as_raw()
oarray1 = array(-1, typecode1, count).as_raw()
oarray2 = array(-1, typecode2, count).as_raw()
# temp array for packing
size1 = datatype1.Pack_external_size(EXT32, len(iarray1))
size2 = datatype2.Pack_external_size(EXT32, len(iarray2))
tmpbuf = array(0, 'b', size1 + size2 + 1).as_raw()
# pack input arrays
position = 0
position = datatype1.Pack_external(EXT32, iarray1, tmpbuf, position)
position = datatype2.Pack_external(EXT32, iarray2, tmpbuf, position)
# unpack output arrays
position = 0
position = datatype1.Unpack_external(EXT32, tmpbuf, position, oarray1)
position = datatype2.Unpack_external(EXT32, tmpbuf, position, oarray2)
# test result
self.assertTrue(allclose(iarray1, oarray1))
self.assertTrue(allclose(iarray2, oarray2))
class TestPackSelf(BaseTestPack, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestPackWorld(BaseTestPack, unittest.TestCase):
COMM = MPI.COMM_SELF
@unittest.skipMPI('openmpi(<3.0.0)')
class TestPackExternal(BaseTestPackExternal, unittest.TestCase):
pass
name, version = MPI.get_vendor()
if name == 'MPICH':
if version < (4, 0, 0):
BaseTestPackExternal.skipdtype += 'ldgLFDG'
if platform.architecture(None)[0] == '32bit':
BaseTestPackExternal.skipdtype += 'gG'
elif name == 'Open MPI':
if version < (5, 0, 0):
BaseTestPackExternal.skipdtype += 'gG'
if (platform.system(), platform.machine()) == ('Darwin', 'arm64'):
BaseTestPackExternal.skipdtype += 'G'
elif name == 'Intel MPI':
BaseTestPackExternal.skipdtype += 'lgLG'
BaseTestPackExternal.skipdtype += 'D'
if os.name == 'nt':
BaseTestPackExternal.skipdtype += 'q'
elif name == 'Microsoft MPI':
BaseTestPackExternal.skipdtype += 'gFDG'
elif name == 'MVAPICH':
BaseTestPackExternal.skipdtype += 'lfdgLFDG'
elif name == 'MPICH2':
BaseTestPackExternal.skipdtype += 'ldgLFDG'
else:
try:
MPI.BYTE.Pack_external_size(EXT32, 0)
except NotImplementedError:
unittest.disable(BaseTestPackExternal, 'mpi-ext32')
if __name__ == '__main__':
unittest.main()
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