Brandon Potter
143 строки
4.1 KiB
C++
143 строки
4.1 KiB
C++
/*
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* Copyright 2011 Sandia Corporation. Under the terms of Contract
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* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
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* retains certain rights in this software.
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*
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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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/*
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* exercise rocshmem_short_wait() and rocshmem_short_wait_until() functions.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rocshmem/rocshmem.hpp>
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using namespace rocshmem;
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#define DataType long
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#define SHM_PUT rocshmem_long_put
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#define SHM_PUTP rocshmem_long_p
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#define SHM_GETP rocshmem_long_g
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#define SHM_WAITU rocshmem_long_wait_until
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#define PF "%ld"
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#define Vprintf \
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if (Verbose) printf
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int main(int argc, char *argv[]) {
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DataType source[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
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DataType *target;
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DataType *pong;
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DataType *t2 = NULL;
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int me, num_pes, pe, Verbose = 0;
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if (argc > 1 && (strcmp(argv[1], "-v") == 0)) {
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Verbose++;
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}
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rocshmem_init();
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me = rocshmem_my_pe();
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num_pes = rocshmem_n_pes();
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if (num_pes == 1) {
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printf("%s: Requires number of PEs > 1\n", argv[0]);
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rocshmem_finalize();
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return 0;
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}
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target = (DataType *)rocshmem_malloc(10 * sizeof(DataType));
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pong = (DataType *)rocshmem_malloc(sizeof(DataType));
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*pong = 666;
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t2 = (DataType *)rocshmem_malloc(10 * sizeof(DataType));
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if (!t2) {
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if (me == 0) printf("rocshmem_malloc() failed?\n");
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rocshmem_global_exit(1);
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}
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t2[9] = target[9] = 0xFF;
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rocshmem_barrier_all();
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if (me == 0) {
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memset(target, 0, 10 * sizeof(DataType));
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for (pe = 1; pe < num_pes; pe++) SHM_PUT(target, target, 10, pe);
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for (pe = 1; pe < num_pes; pe++) /* put 10 elements into target on PE 1 */
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SHM_PUT(target, source, 10, pe);
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SHM_WAITU(pong, ROCSHMEM_CMP_GT, 666);
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Vprintf("PE[%d] pong now " PF "\n", me, *pong);
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for (pe = 1; pe < num_pes; pe++) /* put 1 element into t2 on PE 1 */
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SHM_PUTP(&t2[9], 0xDD, pe);
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} else {
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/* wait for 10th element write of 'target' */
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SHM_WAITU(&target[9], ROCSHMEM_CMP_NE, 0xFF);
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Vprintf("PE[%d] target[9] was 255 now " PF ", success.\n", me, target[9]);
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SHM_WAITU(&target[9], ROCSHMEM_CMP_EQ, 10);
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Vprintf("PE[%d] expected target[9] == 10 now " PF "\n", me, target[9]);
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if (me == 1) {
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if (Verbose) {
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DataType tmp = SHM_GETP(pong, 0);
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printf("PE[%d] @ PE[0] pong == " PF ", setting to 999\n", me, tmp);
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}
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SHM_PUTP(pong, 999, 0);
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}
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SHM_WAITU(&t2[9], ROCSHMEM_CMP_NE, 0xFF);
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}
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// rocshmem_barrier_all(); /* sync sender and receiver */
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if (me != 0) {
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if (memcmp(source, target, sizeof(DataType) * 10) != 0) {
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int i;
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fprintf(stderr, "[%d] Src & Target mismatch?\n", me);
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for (i = 0; i < 10; ++i) {
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printf(PF "," PF " ", source[i], target[i]);
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}
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printf("\n");
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rocshmem_global_exit(1);
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}
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}
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rocshmem_free(t2);
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if (Verbose) fprintf(stderr, "[%d] exit\n", rocshmem_my_pe());
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rocshmem_finalize();
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return 0;
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}
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