Files
filament/libs/utils/benchmark/benchmark_mutex.cpp
2018-11-26 11:51:17 -08:00

70 lines
1.6 KiB
C++

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PerformanceCounters.h"
#include <utils/Allocator.h>
#include <utils/Mutex.h>
#include <benchmark/benchmark.h>
using namespace utils;
static void BM_std_mutex(benchmark::State& state) {
static std::mutex l;
PerformanceCounters pc(state);
for (auto _ : state) {
l.lock();
l.unlock();
}
}
static void BM_utils_mutex(benchmark::State& state) {
static Mutex l;
PerformanceCounters pc(state);
for (auto _ : state) {
l.lock();
l.unlock();
}
}
static void BM_spinlock(benchmark::State& state) {
static LockingPolicy::SpinLock l;
PerformanceCounters pc(state);
for (auto _ : state) {
l.lock();
l.unlock();
}
}
BENCHMARK(BM_std_mutex)
->Threads(1)
->Threads(2)
->Threads(8)
->ThreadPerCpu();
BENCHMARK(BM_utils_mutex)
->Threads(1)
->Threads(2)
->Threads(8)
->ThreadPerCpu();
BENCHMARK(BM_spinlock)
->Threads(1)
->Threads(2)
->Threads(8)
->ThreadPerCpu();