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