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- # 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.
- import boost.parallel.mpi as 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")
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