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from mpi4py import MPI
import mpiunittest as unittest
import itertools
import arrayimpl
class BaseTestP2PBuf:
COMM = MPI.COMM_NULL
def testSendrecv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
dest = (rank + 1) % size
source = (rank - 1) % size
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size+1):
with self.subTest(s=s):
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+1)
self.COMM.Sendrecv(sbuf.as_mpi(), dest, 0,
rbuf.as_mpi(), source, 0)
check = arrayimpl.scalar(s)
for value in rbuf[:-1]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
self.assertEqual(rbuf[-1], check)
def testISendrecv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
dest = (rank + 1) % size
source = (rank - 1) % size
try:
self.COMM.Isendrecv(
bytearray(1), dest, 0,
bytearray(1), source, 0,
).Wait()
except NotImplementedError:
if MPI.Get_version() >= (4, 0): raise
raise unittest.SkipTest("mpi-isendrecv")
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size+1):
with self.subTest(s=s):
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+1)
self.COMM.Isendrecv(
sbuf.as_mpi(), dest, 0,
rbuf.as_mpi(), source, 0,
).Wait()
check = arrayimpl.scalar(s)
for value in rbuf[:-1]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
self.assertEqual(rbuf[-1], check)
def testSendrecvReplace(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
dest = (rank + 1) % size
source = (rank - 1) % size
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size+1):
with self.subTest(s=s):
buf = array(rank, typecode, s);
self.COMM.Sendrecv_replace(buf.as_mpi(), dest, 0, source, 0)
check = arrayimpl.scalar(source)
for value in buf:
self.assertEqual(value, check)
def testISendrecvReplace(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
dest = (rank + 1) % size
source = (rank - 1) % size
try:
self.COMM.Isendrecv_replace(
bytearray(1), dest, 0, source, 0
).Wait()
except NotImplementedError:
if MPI.Get_version() >= (4, 0): raise
raise unittest.SkipTest("mpi-isendrecv")
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size+1):
with self.subTest(s=s):
buf = array(rank, typecode, s);
self.COMM.Isendrecv_replace(
buf.as_mpi(), dest, 0, source, 0
).Wait()
check = arrayimpl.scalar(source)
for value in buf:
self.assertEqual(value, check)
def testSendRecv(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
if unittest.is_mpi_gpu('openmpi', array): continue
if unittest.is_mpi_gpu('mvapich', array): continue
for s in range(0, size+1):
with self.subTest(s=s):
#
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s)
mem = array( 0, typecode, 2*(s+MPI.BSEND_OVERHEAD)).as_raw()
if size == 1:
MPI.Attach_buffer(mem)
rbuf = sbuf
MPI.Detach_buffer()
elif rank == 0:
MPI.Attach_buffer(mem)
self.COMM.Ibsend(sbuf.as_mpi(), 1, 0).Wait()
self.COMM.Bsend(sbuf.as_mpi(), 1, 0)
MPI.Detach_buffer()
self.COMM.Send(sbuf.as_mpi(), 1, 0)
self.COMM.Ssend(sbuf.as_mpi(), 1, 0)
self.COMM.Recv(rbuf.as_mpi(), 1, 0)
self.COMM.Recv(rbuf.as_mpi(), 1, 0)
self.COMM.Recv(rbuf.as_mpi(), 1, 0)
self.COMM.Recv(rbuf.as_mpi(), 1, 0)
elif rank == 1:
self.COMM.Recv(rbuf.as_mpi(), 0, 0)
self.COMM.Recv(rbuf.as_mpi(), 0, 0)
self.COMM.Recv(rbuf.as_mpi(), 0, 0)
self.COMM.Recv(rbuf.as_mpi(), 0, 0)
MPI.Attach_buffer(mem)
self.COMM.Ibsend(sbuf.as_mpi(), 0, 0).Wait()
self.COMM.Bsend(sbuf.as_mpi(), 0, 0)
MPI.Detach_buffer()
self.COMM.Send(sbuf.as_mpi(), 0, 0)
self.COMM.Ssend(sbuf.as_mpi(), 0, 0)
else:
rbuf = sbuf
check = arrayimpl.scalar(s)
for value in rbuf:
self.assertEqual(value, check)
#
rank = self.COMM.Get_rank()
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s)
rreq = self.COMM.Irecv(rbuf.as_mpi(), rank, 0)
self.COMM.Rsend(sbuf.as_mpi(), rank, 0)
rreq.Wait()
for value in rbuf:
self.assertEqual(value, check)
rbuf = array(-1, typecode, s)
rreq = self.COMM.Irecv(rbuf.as_mpi(), rank, 0)
self.COMM.Irsend(sbuf.as_mpi(), rank, 0).Wait()
rreq.Wait()
for value in rbuf:
self.assertEqual(value, check)
def testProcNull(self):
comm = self.COMM
#
comm.Sendrecv(None, MPI.PROC_NULL, 0,
None, MPI.PROC_NULL, 0)
comm.Sendrecv_replace(None,
MPI.PROC_NULL, 0,
MPI.PROC_NULL, 0)
#
comm.Send (None, MPI.PROC_NULL)
comm.Isend (None, MPI.PROC_NULL).Wait()
#
comm.Ssend(None, MPI.PROC_NULL)
comm.Issend(None, MPI.PROC_NULL).Wait()
#
buf = MPI.Alloc_mem(MPI.BSEND_OVERHEAD)
MPI.Attach_buffer(buf)
comm.Bsend(None, MPI.PROC_NULL)
comm.Ibsend(None, MPI.PROC_NULL).Wait()
MPI.Detach_buffer()
MPI.Free_mem(buf)
#
comm.Rsend(None, MPI.PROC_NULL)
comm.Irsend(None, MPI.PROC_NULL).Wait()
#
comm.Recv (None, MPI.PROC_NULL)
comm.Irecv(None, MPI.PROC_NULL).Wait()
@unittest.skipMPI('mpich(<4.1.0)')
def testProcNullISendrecv(self):
try:
self.COMM.Isendrecv(
None, MPI.PROC_NULL, 0,
None, MPI.PROC_NULL, 0,
).Wait()
self.COMM.Isendrecv_replace(
None,
MPI.PROC_NULL, 0,
MPI.PROC_NULL, 0,
).Wait()
except NotImplementedError:
if MPI.Get_version() >= (4, 0): raise
raise unittest.SkipTest("mpi-isendrecv")
@unittest.skipMPI('mpich(==3.4.1)')
def testProcNullPersistent(self):
comm = self.COMM
#
req = comm.Send_init(None, MPI.PROC_NULL)
req.Start(); req.Wait(); req.Free()
#
req = comm.Ssend_init(None, MPI.PROC_NULL)
req.Start(); req.Wait(); req.Free()
#
buf = MPI.Alloc_mem(MPI.BSEND_OVERHEAD)
MPI.Attach_buffer(buf)
req = comm.Bsend_init(None, MPI.PROC_NULL)
req.Start(); req.Wait(); req.Free()
MPI.Detach_buffer()
MPI.Free_mem(buf)
#
req = comm.Rsend_init(None, MPI.PROC_NULL)
req.Start(); req.Wait(); req.Free()
#
req = comm.Recv_init(None, MPI.PROC_NULL)
req.Start(); req.Wait(); req.Free()
def testConstructor(self):
preq = self.COMM.Send_init(b"", MPI.PROC_NULL, 0)
dupe = MPI.Prequest(preq)
self.assertIs(type(dupe), MPI.Prequest)
self.assertEqual(dupe, preq)
dupe = MPI.Prequest.fromhandle(preq.handle)
self.assertIs(type(dupe), MPI.Prequest)
self.assertEqual(dupe, preq)
dupe = MPI.Prequest.f2py(preq.py2f())
self.assertIs(type(dupe), MPI.Prequest)
self.assertEqual(dupe, preq)
dupe = MPI.Request(preq)
self.assertIs(type(dupe), MPI.Request)
self.assertEqual(dupe, preq)
with self.assertRaises(TypeError):
dupe = MPI.Grequest(preq)
preq.Start()
preq.Wait()
preq.Free()
def testPersistent(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
dest = (rank + 1) % size
source = (rank - 1) % size
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
if unittest.is_mpi_gpu('openmpi', array): continue
if unittest.is_mpi_gpu('mvapich', array): continue
for s, xs in itertools.product(range(size+1), range(3)):
with self.subTest(s=s, xs=xs):
#
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+xs)
sendreq = self.COMM.Send_init(sbuf.as_mpi(), dest, 0)
recvreq = self.COMM.Recv_init(rbuf.as_mpi(), source, 0)
sendreq.Start()
recvreq.Start()
sendreq.Wait()
recvreq.Wait()
self.assertNotEqual(sendreq, MPI.REQUEST_NULL)
self.assertNotEqual(recvreq, MPI.REQUEST_NULL)
sendreq.Free()
recvreq.Free()
self.assertEqual(sendreq, MPI.REQUEST_NULL)
self.assertEqual(recvreq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf[:s]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
for value in rbuf[s:]:
self.assertEqual(value, check)
#
sbuf = array(s, typecode, s)
rbuf = array(-1, typecode, s+xs)
sendreq = self.COMM.Send_init(sbuf.as_mpi(), dest, 0)
recvreq = self.COMM.Recv_init(rbuf.as_mpi(), source, 0)
reqlist = [sendreq, recvreq]
MPI.Prequest.Startall(reqlist)
index1 = MPI.Prequest.Waitany(reqlist)
self.assertIn(index1, [0, 1])
self.assertNotEqual(reqlist[index1], MPI.REQUEST_NULL)
index2 = MPI.Prequest.Waitany(reqlist)
self.assertIn(index2, [0, 1])
self.assertNotEqual(reqlist[index2], MPI.REQUEST_NULL)
self.assertNotEqual(index1, index2)
index3 = MPI.Prequest.Waitany(reqlist)
self.assertEqual(index3, MPI.UNDEFINED)
for preq in reqlist:
self.assertNotEqual(preq, MPI.REQUEST_NULL)
preq.Free()
self.assertEqual(preq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf[:s]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
for value in rbuf[s:]:
self.assertEqual(value, check)
#
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+xs)
sendreq = self.COMM.Ssend_init(sbuf.as_mpi(), dest, 0)
recvreq = self.COMM.Recv_init(rbuf.as_mpi(), source, 0)
sendreq.Start()
recvreq.Start()
sendreq.Wait()
recvreq.Wait()
self.assertNotEqual(sendreq, MPI.REQUEST_NULL)
self.assertNotEqual(recvreq, MPI.REQUEST_NULL)
sendreq.Free()
recvreq.Free()
self.assertEqual(sendreq, MPI.REQUEST_NULL)
self.assertEqual(recvreq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf[:s]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
for value in rbuf[s:]:
self.assertEqual(value, check)
#
mem = array( 0, typecode, s+MPI.BSEND_OVERHEAD).as_raw()
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+xs)
MPI.Attach_buffer(mem)
sendreq = self.COMM.Bsend_init(sbuf.as_mpi(), dest, 0)
recvreq = self.COMM.Recv_init(rbuf.as_mpi(), source, 0)
sendreq.Start()
recvreq.Start()
sendreq.Wait()
recvreq.Wait()
MPI.Detach_buffer()
self.assertNotEqual(sendreq, MPI.REQUEST_NULL)
self.assertNotEqual(recvreq, MPI.REQUEST_NULL)
sendreq.Free()
recvreq.Free()
self.assertEqual(sendreq, MPI.REQUEST_NULL)
self.assertEqual(recvreq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf[:s]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
for value in rbuf[s:]:
self.assertEqual(value, check)
#
rank = self.COMM.Get_rank()
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s+xs)
recvreq = self.COMM.Recv_init (rbuf.as_mpi(), rank, 0)
sendreq = self.COMM.Rsend_init(sbuf.as_mpi(), rank, 0)
recvreq.Start()
sendreq.Start()
recvreq.Wait()
sendreq.Wait()
self.assertNotEqual(sendreq, MPI.REQUEST_NULL)
self.assertNotEqual(recvreq, MPI.REQUEST_NULL)
sendreq.Free()
recvreq.Free()
self.assertEqual(sendreq, MPI.REQUEST_NULL)
self.assertEqual(recvreq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf[:s]:
self.assertEqual(value, check)
check = arrayimpl.scalar(-1)
for value in rbuf[s:]:
self.assertEqual(value, check)
def testProbe(self):
comm = self.COMM.Dup()
try:
request = comm.Issend([None, 0, MPI.BYTE], comm.rank, 123)
self.assertTrue(request)
status = MPI.Status()
comm.Probe(MPI.ANY_SOURCE, MPI.ANY_TAG, status)
self.assertEqual(status.source, comm.rank)
self.assertEqual(status.tag, 123)
self.assertTrue(request)
flag = request.Test()
self.assertTrue(request)
self.assertFalse(flag)
comm.Recv([None, 0, MPI.BYTE], comm.rank, 123)
self.assertTrue(request)
flag = False
while not flag:
flag = request.Test()
self.assertFalse(request)
self.assertTrue(flag)
finally:
comm.Free()
@unittest.skipMPI('MPICH1')
@unittest.skipMPI('LAM/MPI')
def testProbeCancel(self):
comm = self.COMM.Dup()
try:
request = comm.Issend([None, 0, MPI.BYTE], comm.rank, 123)
status = MPI.Status()
comm.Probe(MPI.ANY_SOURCE, MPI.ANY_TAG, status)
self.assertEqual(status.source, comm.rank)
self.assertEqual(status.tag, 123)
request.Cancel()
self.assertTrue(request)
status = MPI.Status()
request.Get_status(status)
cancelled = status.Is_cancelled()
if not cancelled:
comm.Recv([None, 0, MPI.BYTE], comm.rank, 123)
request.Wait()
else:
request.Free()
finally:
comm.Free()
def testIProbe(self):
comm = self.COMM.Dup()
try:
f = comm.Iprobe()
self.assertFalse(f)
f = comm.Iprobe(MPI.ANY_SOURCE)
self.assertFalse(f)
f = comm.Iprobe(MPI.ANY_SOURCE, MPI.ANY_TAG)
self.assertFalse(f)
status = MPI.Status()
f = comm.Iprobe(MPI.ANY_SOURCE, MPI.ANY_TAG, status)
self.assertFalse(f)
self.assertEqual(status.source, MPI.ANY_SOURCE)
self.assertEqual(status.tag, MPI.ANY_TAG)
self.assertEqual(status.error, MPI.SUCCESS)
finally:
comm.Free()
class TestP2PBufSelf(BaseTestP2PBuf, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestP2PBufWorld(BaseTestP2PBuf, unittest.TestCase):
COMM = MPI.COMM_WORLD
class TestP2PBufSelfDup(TestP2PBufSelf):
def setUp(self):
self.COMM = MPI.COMM_SELF.Dup()
def tearDown(self):
self.COMM.Free()
@unittest.skipMPI('openmpi(<1.4.0)', MPI.Query_thread() > MPI.THREAD_SINGLE)
class TestP2PBufWorldDup(TestP2PBufWorld):
def setUp(self):
self.COMM = MPI.COMM_WORLD.Dup()
def tearDown(self):
self.COMM.Free()
if __name__ == '__main__':
unittest.main()
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