2770a12beb
No need for any CMRs to 1.5... that was already done in CMR 2728. This commit was SVN r24545. The following SVN revision numbers were found above: r22841 --> open-mpi/ompi@b400b84162
139 строки
3.4 KiB
C
139 строки
3.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2008-2010 Cisco Systems, Inc. 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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#include "opal_config.h"
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#include <stdio.h>
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#include <time.h>
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#include "support.h"
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#include "opal/runtime/opal.h"
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#include "opal/constants.h"
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#include "opal/threads/threads.h"
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#include "opal/threads/condition.h"
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#include "opal/sys/atomic.h"
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#if !OPAL_ENABLE_MULTI_THREADS
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/* If we don't have thread support, there's no point in running this
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test */
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int main(int argc, char *argv[])
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{
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printf("OMPI was compiled without thread support -- skipping this test\n");
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return 77;
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}
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#else
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/* Only have the body of this test if we have thread support */
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opal_mutex_t mutex;
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opal_condition_t thr1_cond;
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opal_condition_t thr2_cond;
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static volatile int thr1_count = 0;
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static volatile int thr2_count = 0;
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#define TEST_COUNT 100000
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static void* thr1_run(opal_object_t* obj)
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{
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int i;
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clock_t c1, c2;
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opal_mutex_lock(&mutex);
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c1 = clock();
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for(i=0; i<TEST_COUNT; i++) {
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opal_condition_wait(&thr1_cond, &mutex);
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opal_condition_signal(&thr2_cond);
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thr1_count++;
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}
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c2 = clock();
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opal_mutex_unlock(&mutex);
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fprintf(stderr, "thr1: time per iteration: %ld usec\n", (c2 - c1) / TEST_COUNT);
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return NULL;
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}
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static void* thr2_run(opal_object_t* obj)
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{
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int i;
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clock_t c1, c2;
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opal_mutex_lock(&mutex);
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c1 = clock();
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for(i=0; i<TEST_COUNT; i++) {
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opal_condition_signal(&thr1_cond);
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opal_condition_wait(&thr2_cond, &mutex);
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thr2_count++;
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}
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c2 = clock();
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opal_mutex_unlock(&mutex);
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fprintf(stderr, "thr2: time per iteration: %ld usec\n", (c2 - c1) / TEST_COUNT);
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return NULL;
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}
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int main(int argc, char** argv)
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{
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int rc;
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opal_thread_t* thr1;
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opal_thread_t* thr2;
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test_init("opal_condition_t");
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rc = opal_init(&argc, &argv);
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test_verify_int(OPAL_SUCCESS, rc);
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if (OPAL_SUCCESS != rc) {
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test_finalize();
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exit(1);
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}
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opal_set_using_threads(true);
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OBJ_CONSTRUCT(&mutex, opal_mutex_t);
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OBJ_CONSTRUCT(&thr1_cond, opal_condition_t);
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OBJ_CONSTRUCT(&thr2_cond, opal_condition_t);
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thr1 = OBJ_NEW(opal_thread_t);
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thr2 = OBJ_NEW(opal_thread_t);
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thr1->t_run = thr1_run;
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thr2->t_run = thr2_run;
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rc = opal_thread_start(thr1);
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test_verify_int(OPAL_SUCCESS, rc);
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rc = opal_thread_start(thr2);
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test_verify_int(OPAL_SUCCESS, rc);
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rc = opal_thread_join(thr1, NULL);
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test_verify_int(OPAL_SUCCESS, rc);
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test_verify_int(TEST_COUNT, thr1_count);
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rc = opal_thread_join(thr2, NULL);
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test_verify_int(OPAL_SUCCESS, rc);
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test_verify_int(TEST_COUNT, thr2_count);
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opal_finalize();
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return test_finalize();
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}
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#endif /* OPAL_ENABLE_MULTI_THREADS */
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