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from mpi4py import MPI
import mpiunittest as unittest
import arrayimpl
def maxvalue(a):
try:
typecode = a.typecode
except AttributeError:
typecode = a.dtype.char
if typecode == ('f'):
return 1e30
elif typecode == ('d'):
return 1e300
else:
return 2 ** (a.itemsize * 7) - 1
class BaseTestCCOVec(object):
COMM = MPI.COMM_NULL
def testGatherv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, count)
rbuf = array( -1, typecode, size*size)
counts = [count] * size
displs = list(range(0, size*size, size))
recvbuf = rbuf.as_mpi_v(counts, displs)
if rank != root: recvbuf=None
self.COMM.Barrier()
self.COMM.Gatherv(sbuf.as_mpi(), recvbuf, root)
self.COMM.Barrier()
if recvbuf is not None:
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testGatherv2(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, size)
rbuf = array( -1, typecode, size*size)
sendbuf = sbuf.as_mpi_c(count)
recvbuf = rbuf.as_mpi_v(count, size)
if rank != root: recvbuf=None
self.COMM.Barrier()
self.COMM.Gatherv(sendbuf, recvbuf, root)
self.COMM.Barrier()
if recvbuf is not None:
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testGatherv3(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size+1):
#
sbuf = array(root, typecode, count).as_raw()
rbuf = array( -1, typecode, count*size).as_raw()
sendbuf = sbuf
recvbuf = [rbuf, count]
if rank != root: recvbuf=None
self.COMM.Barrier()
self.COMM.Gatherv(sendbuf, recvbuf, root)
self.COMM.Barrier()
if recvbuf is not None:
for v in rbuf:
self.assertEqual(v, root)
#
sbuf = array(root, typecode, count).as_raw()
if rank == root:
rbuf = array( -1, typecode, count*size).as_raw()
else:
rbuf = None
self.COMM.Gatherv(sbuf, rbuf, root)
self.COMM.Barrier()
if rank == root:
for v in rbuf:
self.assertEqual(v, root)
def testScatterv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
#
sbuf = array(root, typecode, size*size)
rbuf = array( -1, typecode, count)
counts = [count] * size
displs = list(range(0, size*size, size))
sendbuf = sbuf.as_mpi_v(counts, displs)
if rank != root: sendbuf = None
self.COMM.Scatterv(sendbuf, rbuf.as_mpi(), root)
for vr in rbuf:
self.assertEqual(vr, root)
def testScatterv2(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, size*size)
rbuf = array( -1, typecode, size)
sendbuf = sbuf.as_mpi_v(count, size)
recvbuf = rbuf.as_mpi_c(count)
if rank != root: sendbuf = None
self.COMM.Scatterv(sendbuf, recvbuf, root)
a, b = rbuf[:count], rbuf[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testScatterv3(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size+1):
#
sbuf = array(root, typecode, count*size).as_raw()
rbuf = array( -1, typecode, count).as_raw()
sendbuf = [sbuf, count]
recvbuf = rbuf
if rank != root: sendbuf = None
self.COMM.Scatterv(sendbuf, recvbuf, root)
for v in rbuf:
self.assertEqual(v, root)
#
if rank == root:
sbuf = array(root, typecode, count*size).as_raw()
else:
sbuf = None
rbuf = array( -1, typecode, count).as_raw()
self.COMM.Scatterv(sbuf, rbuf, root)
for v in rbuf:
self.assertEqual(v, root)
def testAllgatherv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, count)
rbuf = array( -1, typecode, size*size)
counts = [count] * size
displs = list(range(0, size*size, size))
sendbuf = sbuf.as_mpi()
recvbuf = rbuf.as_mpi_v(counts, displs)
self.COMM.Allgatherv(sendbuf, recvbuf)
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testAllgatherv2(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, size)
rbuf = array( -1, typecode, size*size)
sendbuf = sbuf.as_mpi_c(count)
recvbuf = rbuf.as_mpi_v(count, size)
self.COMM.Allgatherv(sendbuf, recvbuf)
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testAllgatherv3(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size+1):
#
sbuf = array(root, typecode, count).as_raw()
rbuf = array( -1, typecode, count*size).as_raw()
sendbuf = sbuf
recvbuf = [rbuf, count]
self.COMM.Allgatherv(sendbuf, recvbuf)
for v in rbuf:
self.assertEqual(v, root)
#
sbuf = array(root, typecode, count).as_raw()
rbuf = array( -1, typecode, count*size).as_raw()
self.COMM.Allgatherv(sbuf, rbuf)
for v in rbuf:
self.assertEqual(v, root)
def testAlltoallv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, size*size)
rbuf = array( -1, typecode, size*size)
counts = [count] * size
displs = list(range(0, size*size, size))
sendbuf = sbuf.as_mpi_v(counts, displs)
recvbuf = rbuf.as_mpi_v(counts, displs)
self.COMM.Alltoallv(sendbuf, recvbuf)
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testAlltoallv2(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size):
sbuf = array(root, typecode, size*size)
rbuf = array( -1, typecode, size*size)
sendbuf = sbuf.as_mpi_v(count, size)
recvbuf = rbuf.as_mpi_v(count, size)
self.COMM.Alltoallv(sendbuf, recvbuf)
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, root)
for vb in b:
self.assertEqual(vb, -1)
def testAlltoallv3(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for root in range(size):
for count in range(size+1):
#
sbuf = array(root, typecode, count*size).as_raw()
rbuf = array( -1, typecode, count*size).as_raw()
sendbuf = [sbuf, count]
recvbuf = [rbuf, count]
self.COMM.Alltoallv(sendbuf, recvbuf)
for v in rbuf:
self.assertEqual(v, root)
#
sbuf = array(root, typecode, count*size).as_raw()
rbuf = array( -1, typecode, count*size).as_raw()
self.COMM.Alltoallv(sbuf, rbuf)
for v in rbuf:
self.assertEqual(v, root)
def testAlltoallw(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for n in range(1,size+1):
sbuf = array( n, typecode, (size, n))
rbuf = array(-1, typecode, (size, n))
sdt, rdt = sbuf.mpidtype, rbuf.mpidtype
sdsp = list(range(0, size*n*sdt.extent, n*sdt.extent))
rdsp = list(range(0, size*n*rdt.extent, n*rdt.extent))
smsg = (sbuf.as_raw(), ([n]*size, sdsp), [sdt]*size)
rmsg = (rbuf.as_raw(), ([n]*size, rdsp), [rdt]*size)
try:
self.COMM.Alltoallw(smsg, rmsg)
except NotImplementedError:
return
for value in rbuf.flat:
self.assertEqual(value, n)
class BaseTestCCOVecInplace(object):
COMM = MPI.COMM_NULL
def testAlltoallv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for count in range(size):
rbuf = array(-1, typecode, size*size)
counts = [count] * size
displs = list(range(0, size*size, size))
for i in range(size):
for j in range(count):
rbuf[i*size+j] = rank
recvbuf = rbuf.as_mpi_v(counts, displs)
self.COMM.Alltoallv(MPI.IN_PLACE, recvbuf)
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, i)
for vb in b:
self.assertEqual(vb, -1)
def testAlltoallw(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for count in range(size):
rbuf = array(-1, typecode, size*size)
for i in range(size):
for j in range(count):
rbuf[i*size+j] = rank
rdt = rbuf.mpidtype
rdsp = list(range(0, size*size*rdt.extent, size*rdt.extent))
rmsg = (rbuf.as_raw(), ([count]*size, rdsp), [rdt]*size)
try:
self.COMM.Alltoallw(MPI.IN_PLACE, rmsg)
except NotImplementedError:
return
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, i)
for vb in b:
self.assertEqual(vb, -1)
def testAlltoallw2(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array in arrayimpl.ArrayTypes:
for typecode in arrayimpl.TypeMap:
for count in range(size):
rbuf = array(-1, typecode, size*size)
for i in range(size):
for j in range(count):
rbuf[i*size+j] = rank
rdt = rbuf.mpidtype
rdsp = list(range(0, size*size*rdt.extent, size*rdt.extent))
rmsg = (rbuf.as_raw(), [count]*size, rdsp, [rdt]*size)
try:
self.COMM.Alltoallw(MPI.IN_PLACE, rmsg)
except NotImplementedError:
return
for i in range(size):
row = rbuf[i*size:(i+1)*size]
a, b = row[:count], row[count:]
for va in a:
self.assertEqual(va, i)
for vb in b:
self.assertEqual(vb, -1)
class TestCCOVecSelf(BaseTestCCOVec, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestCCOVecWorld(BaseTestCCOVec, unittest.TestCase):
COMM = MPI.COMM_WORLD
class TestCCOVecSelfDup(TestCCOVecSelf):
def setUp(self):
self.COMM = MPI.COMM_SELF.Dup()
def tearDown(self):
self.COMM.Free()
class TestCCOVecWorldDup(TestCCOVecWorld):
def setUp(self):
self.COMM = MPI.COMM_WORLD.Dup()
def tearDown(self):
self.COMM.Free()
class TestCCOVecInplaceSelf(BaseTestCCOVecInplace, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestCCOVecInplaceWorld(BaseTestCCOVecInplace, unittest.TestCase):
COMM = MPI.COMM_WORLD
name, version = MPI.get_vendor()
if name == 'Open MPI':
if version < (1,8,0):
del TestCCOVecInplaceSelf
del TestCCOVecInplaceWorld
if version < (1,4,0):
if MPI.Query_thread() > MPI.THREAD_SINGLE:
del TestCCOVecWorldDup
if name == 'Microsoft MPI':
import struct
if struct.calcsize('P')*8 == 32:
def SKIP(*args, **kwargs): pass
TestCCOVecInplaceSelf.testAlltoallv = SKIP
TestCCOVecInplaceSelf.testAlltoallw = SKIP
TestCCOVecInplaceSelf.testAlltoallw2 = SKIP
def SKIP(*args, **kwargs): pass
TestCCOVecInplaceWorld.testAlltoallv = SKIP
TestCCOVecInplaceWorld.testAlltoallw = SKIP
TestCCOVecInplaceWorld.testAlltoallw2 = SKIP
if name == 'MPICH1' or name == 'LAM/MPI' or MPI.BOTTOM == MPI.IN_PLACE:
del TestCCOVecInplaceSelf
del TestCCOVecInplaceWorld
if __name__ == '__main__':
unittest.main()
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