2
0
mirror of https://github.com/boostorg/mpi.git synced 2026-01-20 16:52:10 +00:00
Files
mpi/test/python/all_to_all_test.py
Alain O Miniussi d7652823d0 Although single argument print () works in python2, it is still prudent to do have
from __future__ import print_function
as the first line of code in every file.
Thanks to @xnox for the suggestion
2020-06-19 10:17:12 +02:00

32 lines
994 B
Python

# Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
# Use, modification and distribution is subject to the Boost Software
# License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
# Test all_to_all() collective.
from __future__ import print_function
import mpi
from generators import *
def all_to_all_test(comm, generator, kind):
if comm.rank == 0:
print ("All-to-all transmission of %s..." % (kind,)),
values = list()
for p in range(0, comm.size):
values.append(generator(p))
result = mpi.all_to_all(comm, values)
for p in range(0, comm.size):
assert result[p] == generator(comm.rank)
if comm.rank == 0: print ("OK.")
return
all_to_all_test(mpi.world, int_generator, "integers")
all_to_all_test(mpi.world, gps_generator, "GPS positions")
all_to_all_test(mpi.world, string_generator, "strings")
all_to_all_test(mpi.world, string_list_generator, "list of strings")