108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "benchmark.h"
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#include <pthread.h>
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// Stop GCC optimizing out our pure function.
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/* Must not be static! */ pthread_t (*pthread_self_fp)() = pthread_self;
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static void BM_pthread_self(int iters) {
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_self_fp();
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}
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StopBenchmarkTiming();
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}
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BENCHMARK(BM_pthread_self);
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static void BM_pthread_getspecific(int iters) {
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StopBenchmarkTiming();
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pthread_key_t key;
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pthread_key_create(&key, NULL);
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_getspecific(key);
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}
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StopBenchmarkTiming();
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pthread_key_delete(key);
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}
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BENCHMARK(BM_pthread_getspecific);
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static void DummyPthreadOnceInitFunction() {
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}
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static void BM_pthread_once(int iters) {
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StopBenchmarkTiming();
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pthread_once_t once = PTHREAD_ONCE_INIT;
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pthread_once(&once, DummyPthreadOnceInitFunction);
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_once(&once, DummyPthreadOnceInitFunction);
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}
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StopBenchmarkTiming();
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}
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BENCHMARK(BM_pthread_once);
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static void BM_pthread_mutex_lock(int iters) {
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StopBenchmarkTiming();
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_mutex_lock(&mutex);
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pthread_mutex_unlock(&mutex);
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}
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StopBenchmarkTiming();
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}
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BENCHMARK(BM_pthread_mutex_lock);
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static void BM_pthread_mutex_lock_ERRORCHECK(int iters) {
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StopBenchmarkTiming();
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pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER;
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_mutex_lock(&mutex);
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pthread_mutex_unlock(&mutex);
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}
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StopBenchmarkTiming();
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}
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BENCHMARK(BM_pthread_mutex_lock_ERRORCHECK);
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static void BM_pthread_mutex_lock_RECURSIVE(int iters) {
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StopBenchmarkTiming();
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pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
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StartBenchmarkTiming();
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for (int i = 0; i < iters; ++i) {
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pthread_mutex_lock(&mutex);
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pthread_mutex_unlock(&mutex);
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}
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StopBenchmarkTiming();
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}
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BENCHMARK(BM_pthread_mutex_lock_RECURSIVE);
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