Brandon Potter
73 строки
2.4 KiB
C++
73 строки
2.4 KiB
C++
/*
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* Copyright (c) 2019 Intel Corporation. All rights reserved.
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* This software is available to you under the BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdio.h>
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#include <rocshmem/rocshmem.hpp>
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using namespace rocshmem;
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int main(void) {
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int i, me, npes;
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int ret = 0, errors = 0;
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rocshmem_init();
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me = rocshmem_my_pe();
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npes = rocshmem_n_pes();
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if (me == 0) printf("Reuse teams test\n");
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rocshmem_team_t old_team, new_team;
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ret = rocshmem_team_split_strided(ROCSHMEM_TEAM_WORLD, 0, 1, npes, NULL, 0,
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&old_team);
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if (ret) ++errors;
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/* A total of npes-1 iterations are performed, where the active set in
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* iteration i includes PEs i..npes-1. The size of the team decreases by 1
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* each iteration. */
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for (i = 1; i < npes; i++) {
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if (me == i) {
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printf("%3d: creating new team (start, stride, size): %3d, %3d, %3d\n",
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me, rocshmem_team_translate_pe(old_team, 1, ROCSHMEM_TEAM_WORLD),
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1, rocshmem_team_n_pes(old_team) - 1);
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}
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ret = rocshmem_team_split_strided(
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old_team, 1, 1, rocshmem_team_n_pes(old_team) - 1, NULL, 0, &new_team);
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if (old_team != ROCSHMEM_TEAM_INVALID && ret) ++errors;
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rocshmem_team_destroy(old_team);
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old_team = new_team;
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}
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rocshmem_team_destroy(old_team);
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rocshmem_finalize();
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return errors != 0;
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}
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