Brandon Potter
142 строки
3.9 KiB
C++
142 строки
3.9 KiB
C++
/*
|
|
* Copyright 2011 Sandia Corporation. Under the terms of Contract
|
|
* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
|
|
* retains certain rights in this software.
|
|
*
|
|
* Copyright (c) 2017 Intel Corporation. All rights reserved.
|
|
* This software is available to you under the BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* test roc_shmem_int_atomic_inc() atomic_inc {-v|q}
|
|
* {loop-cnt(default=10)(default=10)} where: -q == quiet, -v == verbose/debug
|
|
* Loop for loop-cnt
|
|
* all PEs call roc_shmem_int_atomic_inc(), PE-0 totals
|
|
*
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <roc_shmem/roc_shmem.hpp>
|
|
|
|
using namespace rocshmem;
|
|
|
|
#define Rfprintf \
|
|
if (roc_shmem_my_pe() == 0) fprintf
|
|
#define Rprintf \
|
|
if (roc_shmem_my_pe() == 0) printf
|
|
#define RDfprintf \
|
|
if (Verbose && roc_shmem_my_pe() == 0) fprintf
|
|
#define RDprintf \
|
|
if (Verbose && roc_shmem_my_pe() == 0) printf
|
|
#define Vprintf \
|
|
if (Verbose) printf
|
|
#define Vfprintf \
|
|
if (Verbose) fprintf
|
|
|
|
int Verbose;
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int c, cloop, loops;
|
|
int my_rank, num_ranks;
|
|
int Announce = (NULL == getenv("MAKELEVEL")) ? 1 : 0;
|
|
int *lock_cnt;
|
|
|
|
roc_shmem_init();
|
|
my_rank = roc_shmem_my_pe();
|
|
num_ranks = roc_shmem_n_pes();
|
|
if (num_ranks == 1) {
|
|
fprintf(stderr, "ERR - Requires > 1 PEs\n");
|
|
roc_shmem_finalize();
|
|
return 0;
|
|
}
|
|
|
|
while ((c = getopt(argc, argv, "vq")) != -1) {
|
|
switch (c) {
|
|
case 'v':
|
|
Verbose++;
|
|
break;
|
|
case 'q':
|
|
Announce = 0;
|
|
break;
|
|
default:
|
|
Rfprintf(stderr, "ERR - unknown -%c ?\n", c);
|
|
roc_shmem_finalize();
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (optind == argc)
|
|
loops = 10;
|
|
else {
|
|
loops = atoi(argv[optind++]);
|
|
if (loops <= 0 || loops > 1000000) {
|
|
Rfprintf(stderr, "ERR - loops arg out of bounds '%d'?\n", loops);
|
|
roc_shmem_finalize();
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
lock_cnt = (int *)roc_shmem_malloc(sizeof(int));
|
|
|
|
for (cloop = 1; cloop <= loops; cloop++) {
|
|
*lock_cnt = 0;
|
|
roc_shmem_barrier_all(); /* sync all ranks */
|
|
|
|
for (c = 0; c < num_ranks; c++)
|
|
roc_shmem_int64_atomic_inc((int64_t *)lock_cnt, c);
|
|
|
|
Vprintf("[%d] locked: lock_cnt(%d)\n", my_rank, *lock_cnt);
|
|
|
|
roc_shmem_int_wait_until(lock_cnt, ROC_SHMEM_CMP_GE, num_ranks);
|
|
|
|
roc_shmem_barrier_all(); /* sync all ranks */
|
|
|
|
if ((*lock_cnt) != num_ranks) {
|
|
printf("[%d] loop %d: bad lock_cnt %d, expected %d?\n", my_rank, cloop,
|
|
*lock_cnt, num_ranks);
|
|
roc_shmem_global_exit(1);
|
|
}
|
|
|
|
if ((cloop % 10) == 0) {
|
|
if (my_rank == 0 && Announce)
|
|
printf("%d ranks completed %d loops\n", num_ranks, cloop);
|
|
}
|
|
}
|
|
|
|
Vprintf("[%d] of %d, Exit: lock_cnt %d\n", my_rank, num_ranks, *lock_cnt);
|
|
|
|
roc_shmem_free(lock_cnt);
|
|
|
|
roc_shmem_finalize();
|
|
|
|
return 0;
|
|
}
|