Brandon Potter
142 строки
3.8 KiB
C++
142 строки
3.8 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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* test rocshmem_int_atomic_inc() atomic_inc {-v|q}
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* {loop-cnt(default=10)(default=10)} where: -q == quiet, -v == verbose/debug
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* Loop for loop-cnt
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* all PEs call rocshmem_int_atomic_inc(), PE-0 totals
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*
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*/
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#include <errno.h>
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#include <limits.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 <unistd.h>
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#include <rocshmem/rocshmem.hpp>
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using namespace rocshmem;
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#define Rfprintf \
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if (rocshmem_my_pe() == 0) fprintf
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#define Rprintf \
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if (rocshmem_my_pe() == 0) printf
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#define RDfprintf \
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if (Verbose && rocshmem_my_pe() == 0) fprintf
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#define RDprintf \
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if (Verbose && rocshmem_my_pe() == 0) printf
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#define Vprintf \
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if (Verbose) printf
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#define Vfprintf \
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if (Verbose) fprintf
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int Verbose;
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int main(int argc, char *argv[]) {
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int c, cloop, loops;
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int my_rank, num_ranks;
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int Announce = (NULL == getenv("MAKELEVEL")) ? 1 : 0;
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int *lock_cnt;
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rocshmem_init();
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my_rank = rocshmem_my_pe();
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num_ranks = rocshmem_n_pes();
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if (num_ranks == 1) {
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fprintf(stderr, "ERR - Requires > 1 PEs\n");
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rocshmem_finalize();
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return 0;
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}
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while ((c = getopt(argc, argv, "vq")) != -1) {
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switch (c) {
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case 'v':
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Verbose++;
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break;
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case 'q':
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Announce = 0;
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break;
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default:
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Rfprintf(stderr, "ERR - unknown -%c ?\n", c);
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rocshmem_finalize();
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return 1;
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}
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}
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if (optind == argc)
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loops = 10;
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else {
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loops = atoi(argv[optind++]);
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if (loops <= 0 || loops > 1000000) {
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Rfprintf(stderr, "ERR - loops arg out of bounds '%d'?\n", loops);
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rocshmem_finalize();
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return 1;
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}
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}
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lock_cnt = (int *)rocshmem_malloc(sizeof(int));
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for (cloop = 1; cloop <= loops; cloop++) {
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*lock_cnt = 0;
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rocshmem_barrier_all(); /* sync all ranks */
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for (c = 0; c < num_ranks; c++)
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rocshmem_int64_atomic_inc((int64_t *)lock_cnt, c);
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Vprintf("[%d] locked: lock_cnt(%d)\n", my_rank, *lock_cnt);
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rocshmem_int_wait_until(lock_cnt, ROCSHMEM_CMP_GE, num_ranks);
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rocshmem_barrier_all(); /* sync all ranks */
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if ((*lock_cnt) != num_ranks) {
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printf("[%d] loop %d: bad lock_cnt %d, expected %d?\n", my_rank, cloop,
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*lock_cnt, num_ranks);
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rocshmem_global_exit(1);
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}
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if ((cloop % 10) == 0) {
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if (my_rank == 0 && Announce)
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printf("%d ranks completed %d loops\n", num_ranks, cloop);
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}
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}
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Vprintf("[%d] of %d, Exit: lock_cnt %d\n", my_rank, num_ranks, *lock_cnt);
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rocshmem_free(lock_cnt);
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rocshmem_finalize();
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return 0;
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}
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