def start_empty():
channel.MpiChannel.ensure_mpi_initialized()
world = MPI.COMM_WORLD
rank = world.rank
color = 0 if world.rank == 0 else 1
key = 0 if world.rank == 0 else world.rank -1
newcomm = world.Split(color, key)
localdup = world.Dup()
if world.rank == 0:
result = []
remote_leader = 1
tag = 1
new_intercomm = newcomm.Create_intercomm(0, localdup, remote_leader, tag)
instance = core.CodeInterface(check_mpi = False, must_start_worker = False)
instance.channel = channel.MpiChannel('_',None)
instance.channel.intercomm = new_intercomm
instance.world = localdup
instance.remote_leader = 1
world.Barrier()
return instance
else:
new_intercomm = newcomm.Create_intercomm(0, localdup, 0, color)
instance = CythonImplementation(None, core.CodeInterface)
instance.intercomm = new_intercomm
instance.world = localdup
instance.freeworld = newcomm
instance.localworld = newcomm
instance.must_disconnect = False
world.Barrier()
instance.start()
print "STOP...", world.rank
return None
def start_empty():
channel.MpiChannel.ensure_mpi_initialized()
world = MPI.COMM_WORLD
rank = world.rank
color = 0 if world.rank == 0 else 1
key = 0 if world.rank == 0 else world.rank - 1
newcomm = world.Split(color, key)
localdup = world.Dup()
if world.rank == 0:
result = []
remote_leader = 1
tag = 1
new_intercomm = newcomm.Create_intercomm(0, localdup, remote_leader,
tag)
instance = core.CodeInterface(check_mpi=False, must_start_worker=False)
instance.channel = channel.MpiChannel('_', None)
instance.channel.intercomm = new_intercomm
instance.world = localdup
instance.remote_leader = 1
world.Barrier()
return instance
else:
new_intercomm = newcomm.Create_intercomm(0, localdup, 0, color)
instance = CythonImplementation(None, core.CodeInterface)
instance.intercomm = new_intercomm
instance.world = localdup
instance.freeworld = newcomm
instance.localworld = newcomm
instance.must_disconnect = False
world.Barrier()
instance.start()
print("STOP...", world.rank)
return None
