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from mpi4py import MPI
import mpiunittest as unittest
import arrayimpl
class BaseTestP2PBufPart:
COMM = MPI.COMM_NULL
def testSelf(self):
size = self.COMM.Get_size()
rank = self.COMM.Get_rank()
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size):
for p in range(1, 4):
with self.subTest(p=p, s=s):
sbuf = array( s, typecode, s*p)
rbuf = array(-1, typecode, s*p)
sreq = self.COMM.Psend_init(sbuf.as_mpi(), p, rank, 0)
rreq = self.COMM.Precv_init(rbuf.as_mpi(), p, rank, 0)
for _ in range(3):
rreq.Start()
for i in range(p):
flag = rreq.Parrived(i)
self.assertFalse(flag)
sreq.Start()
for i in range(p):
sreq.Pready(i)
for j in range(i+1, p):
flag = rreq.Parrived(j)
self.assertFalse(flag)
for i in range(p):
while not rreq.Parrived(i): pass
flag = rreq.Parrived(i)
self.assertTrue(flag)
rreq.Wait()
sreq.Wait()
self.assertNotEqual(sreq, MPI.REQUEST_NULL)
self.assertNotEqual(rreq, MPI.REQUEST_NULL)
check = arrayimpl.scalar(s)
for value in rbuf:
self.assertEqual(value, check)
rreq.Free()
sreq.Free()
self.assertEqual(sreq, MPI.REQUEST_NULL)
self.assertEqual(rreq, MPI.REQUEST_NULL)
def testRing(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):
for p in range(1, 4):
with self.subTest(p=p, s=s):
sbuf = array( s, typecode, s*p)
rbuf = array(-1, typecode, s*p)
sreq = self.COMM.Psend_init(sbuf.as_mpi(), p, dest, 0)
rreq = self.COMM.Precv_init(rbuf.as_mpi(), p, source, 0)
for _ in range(3):
self.COMM.Barrier()
rreq.Start()
for i in range(p):
flag = rreq.Parrived(i)
self.assertFalse(flag)
self.COMM.Barrier()
sreq.Start()
for i in range(p):
sreq.Pready(i)
self.COMM.Barrier()
for i in range(p):
while not rreq.Parrived(i): pass
flag = rreq.Parrived(i)
self.assertTrue(flag)
rreq.Wait()
sreq.Wait()
self.assertNotEqual(sreq, MPI.REQUEST_NULL)
self.assertNotEqual(rreq, MPI.REQUEST_NULL)
self.COMM.Barrier()
check = arrayimpl.scalar(s)
for value in rbuf:
self.assertEqual(value, check)
rreq.Free()
sreq.Free()
self.assertEqual(sreq, MPI.REQUEST_NULL)
self.assertEqual(rreq, MPI.REQUEST_NULL)
def testRingRangeList(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):
for p in range(1, 4):
with self.subTest(p=p, s=s):
sbuf = array( s, typecode, s*p)
rbuf = array(-1, typecode, s*p)
sreq = self.COMM.Psend_init(sbuf.as_mpi(), p, dest, 0)
rreq = self.COMM.Precv_init(rbuf.as_mpi(), p, source, 0)
for case in range(4):
self.COMM.Barrier()
rreq.Start()
for i in range(p):
flag = rreq.Parrived(i)
self.assertFalse(flag)
self.COMM.Barrier()
sreq.Start()
if p > 1 and case % 2 == 0:
sreq.Pready_range(0, p//2-1)
sreq.Pready_range(p//2, p-1)
else:
sreq.Pready_list(list(range(0, p//2)))
sreq.Pready_list(list(range(p//2, p)))
self.COMM.Barrier()
for i in range(p):
while not rreq.Parrived(i): pass
flag = rreq.Parrived(i)
self.assertTrue(flag)
rreq.Wait()
sreq.Wait()
self.assertNotEqual(sreq, MPI.REQUEST_NULL)
self.assertNotEqual(rreq, MPI.REQUEST_NULL)
self.COMM.Barrier()
check = arrayimpl.scalar(s)
for value in rbuf:
self.assertEqual(value, check)
rreq.Free()
sreq.Free()
self.assertEqual(sreq, MPI.REQUEST_NULL)
self.assertEqual(rreq, MPI.REQUEST_NULL)
class TestP2PBufPartSelf(BaseTestP2PBufPart, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestP2PBufPartWorld(BaseTestP2PBufPart, unittest.TestCase):
COMM = MPI.COMM_WORLD
class TestP2PBufPartSelfDup(TestP2PBufPartSelf):
def setUp(self):
self.COMM = MPI.COMM_SELF.Dup()
def tearDown(self):
self.COMM.Free()
class TestP2PBufPartWorldDup(TestP2PBufPartWorld):
def setUp(self):
self.COMM = MPI.COMM_WORLD.Dup()
def tearDown(self):
self.COMM.Free()
def have_feature():
info = MPI.Get_library_version()
if 'MPICH' in info and 'ch3:' in info:
raise NotImplementedError
sreq = MPI.COMM_SELF.Psend_init(bytearray(1), 1, 0, 0)
rreq = MPI.COMM_SELF.Precv_init(bytearray(1), 1, 0, 0)
sreq.Start(); rreq.Start();
sreq.Pready(0); rreq.Parrived(0);
rreq.Wait(); rreq.Free(); del rreq;
sreq.Wait(); sreq.Free(); del sreq;
try:
have_feature()
except NotImplementedError:
unittest.disable(BaseTestP2PBufPart, 'mpi-p2p-part')
if __name__ == '__main__':
unittest.main()
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