291bcaddf1
fixed by Roman, reviewed by Miked cmr=v1.8.2:reviewer=ompi-rm1.8 This commit was SVN r31880.
59 строки
943 B
C
59 строки
943 B
C
/*
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* Copyright (c) 2014 Mellanox Technologies, Inc.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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* reduce [0,1,2] + _my_pe() across 4 PEs with MAX()
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*/
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#include <stdio.h>
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#include <string.h>
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#include <shmem.h>
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long pSync[_SHMEM_BCAST_SYNC_SIZE];
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#define N 3
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long src[N];
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long dst[N];
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long pWrk[_SHMEM_REDUCE_SYNC_SIZE];
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int main(void)
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{
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int i;
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int my_pe, num_pes;
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for (i = 0; i < SHMEM_BCAST_SYNC_SIZE; i += 1) {
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pSync[i] = _SHMEM_SYNC_VALUE;
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}
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start_pes(0);
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my_pe = _my_pe();
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num_pes = _num_pes();
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for (i = 0; i < N; i += 1) {
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src[i] = my_pe + i;
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}
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shmem_barrier_all();
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shmem_long_max_to_all(dst, src, N, 0, 0, num_pes, pWrk, pSync);
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printf("%d/%d dst =", my_pe, num_pes);
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for (i = 0; i < N; i+= 1) {
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printf(" %ld", dst[i]);
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}
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printf("\n");
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return 0;
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}
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