Brandon Potter
142 строки
4.1 KiB
C++
142 строки
4.1 KiB
C++
/*
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* Copyright (c) 2017 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 <inttypes.h>
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#include <stdint.h>
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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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#define NELEM 10
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/* Note: Need to alternate psync arrays because the active set changes */
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int main(void) {
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int i, me, npes;
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int errors = 0;
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long *bcast_psync;
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// long *barrier_psync0, *barrier_psync1;
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long long *src, *dst;
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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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src = (long long *)rocshmem_malloc(NELEM * sizeof(long long));
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dst = (long long *)rocshmem_malloc(NELEM * sizeof(long long));
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for (i = 0; i < NELEM; i++) {
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src[i] = me;
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dst[i] = -1;
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}
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bcast_psync =
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(long *)rocshmem_malloc(ROCSHMEM_BCAST_SYNC_SIZE * sizeof(long));
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for (i = 0; i < ROCSHMEM_BCAST_SYNC_SIZE; i++)
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bcast_psync[i] = ROCSHMEM_SYNC_VALUE;
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/*
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barrier_psync0 = (long *) rocshmem_malloc(ROCSHMEM_BCAST_SYNC_SIZE *
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sizeof(long)); barrier_psync1 = (long *)
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rocshmem_malloc(ROCSHMEM_BCAST_SYNC_SIZE * sizeof(long)); for (i = 0; i <
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ROCSHMEM_BARRIER_SYNC_SIZE; i++) { barrier_psync0[i] = ROCSHMEM_SYNC_VALUE;
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barrier_psync1[i] = ROCSHMEM_SYNC_VALUE;
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}
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*/
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if (me == 0) printf("Shrinking active set test\n");
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rocshmem_barrier_all();
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/* A total of npes tests are performed, where the active set in each test
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* includes PEs i..npes-1 */
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for (i = 0; i <= me; i++) {
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int j;
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if (me == i) printf(" + active set size %d\n", npes - i);
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rocshmem_ctx_longlong_broadcast(ROCSHMEM_CTX_DEFAULT, dst, src, NELEM, 0,
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i, 0, npes - i, bcast_psync);
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/* Validate broadcasted data */
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for (j = 0; j < NELEM; j++) {
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long long expected = (me == i) ? i - 1 : i;
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if (dst[j] != expected) {
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printf(
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"%d: Expected dst[%d] = %lld, got dst[%d] = %lld, iteration %d\n",
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me, j, expected, j, dst[j], i);
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errors++;
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}
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}
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// rocshmem_barrier(i, 0, npes-i, (i % 2) ? barrier_psync0 :
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// barrier_psync1);
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}
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rocshmem_barrier_all();
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for (i = 0; i < NELEM; i++) dst[i] = -1;
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if (me == 0) printf("Changing root test\n");
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rocshmem_barrier_all();
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/* A total of npes tests are performed, where the root changes each time */
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for (i = 0; i < npes; i++) {
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int j;
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if (me == i) printf(" + root %d\n", i);
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rocshmem_ctx_longlong_broadcast(ROCSHMEM_CTX_DEFAULT, dst, src, NELEM, i,
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0, 0, npes, bcast_psync);
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/* Validate broadcasted data */
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for (j = 0; j < NELEM; j++) {
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long long expected = (me == i) ? i - 1 : i;
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if (dst[j] != expected) {
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printf(
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"%d: Expected dst[%d] = %lld, got dst[%d] = %lld, iteration %d\n",
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me, j, expected, j, dst[j], i);
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errors++;
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}
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}
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// rocshmem_barrier(0, 0, npes, barrier_psync0);
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}
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rocshmem_free(src);
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rocshmem_free(dst);
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rocshmem_free(bcast_psync);
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rocshmem_finalize();
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return errors != 0;
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}
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