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#!/usr/bin/env python
if False:
import mpi4py
name = "name" # lib{name}.so
path = []
mpi4py.profile(name, path=path)
import threading
from array import array
from mpi4py import MPI
send_msg = array("i", [7] * 1000)
send_msg *= 1000
recv_msg = array("i", [0] * 1000)
recv_msg *= 1000
def self_send(comm, rank):
comm.Send([send_msg, MPI.INT], dest=rank, tag=0)
def self_recv(comm, rank):
comm.Recv([recv_msg, MPI.INT], source=rank, tag=0)
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
send_thread = threading.Thread(target=self_send, args=(comm, rank))
recv_thread = threading.Thread(target=self_recv, args=(comm, rank))
send_thread.start()
recv_thread.start()
recv_thread.join()
send_thread.join()
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