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118 lines
3.3 KiB
118 lines
3.3 KiB
/*
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* Copyright 2019 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 <future>
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#include <memory>
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#include <thread>
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#include "benchmark/benchmark.h"
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#include "common/bind.h"
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#include "os/handler.h"
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#include "os/thread.h"
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using ::benchmark::State;
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using ::bluetooth::common::BindOnce;
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using ::bluetooth::os::Handler;
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using ::bluetooth::os::Thread;
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#define NUM_MESSAGES_TO_SEND 100000
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class BM_ThreadPerformance : public ::benchmark::Fixture {
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protected:
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void SetUp(State& st) override {
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benchmark::Fixture::SetUp(st);
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counter_promise_ = std::promise<void>();
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counter_ = 0;
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}
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void TearDown(State& st) override {
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benchmark::Fixture::TearDown(st);
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}
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void callback_batch() {
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counter_++;
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if (counter_ >= num_messages_to_send_) {
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counter_promise_.set_value();
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}
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}
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void callback() {
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counter_promise_.set_value();
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}
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int64_t num_messages_to_send_;
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int64_t counter_;
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std::promise<void> counter_promise_;
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};
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class BM_ReactorThread : public BM_ThreadPerformance {
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protected:
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void SetUp(State& st) override {
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BM_ThreadPerformance::SetUp(st);
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thread_ = std::make_unique<Thread>("BM_ReactorThread thread", Thread::Priority::NORMAL);
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handler_ = std::make_unique<Handler>(thread_.get());
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}
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void TearDown(State& st) override {
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handler_ = nullptr;
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thread_->Stop();
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thread_ = nullptr;
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BM_ThreadPerformance::TearDown(st);
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}
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std::unique_ptr<Thread> thread_;
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std::unique_ptr<Handler> handler_;
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};
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BENCHMARK_DEFINE_F(BM_ReactorThread, batch_enque_dequeue)(State& state) {
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for (auto _ : state) {
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num_messages_to_send_ = state.range(0);
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counter_ = 0;
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counter_promise_ = std::promise<void>();
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std::future<void> counter_future = counter_promise_.get_future();
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for (int i = 0; i < num_messages_to_send_; i++) {
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handler_->Post(BindOnce(
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&BM_ReactorThread_batch_enque_dequeue_Benchmark::callback_batch, bluetooth::common::Unretained(this)));
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}
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counter_future.wait();
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}
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};
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BENCHMARK_REGISTER_F(BM_ReactorThread, batch_enque_dequeue)
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->Arg(10)
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->Arg(1000)
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->Arg(10000)
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->Arg(100000)
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->Iterations(1)
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->UseRealTime();
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BENCHMARK_DEFINE_F(BM_ReactorThread, sequential_execution)(State& state) {
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for (auto _ : state) {
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num_messages_to_send_ = state.range(0);
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for (int i = 0; i < num_messages_to_send_; i++) {
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counter_promise_ = std::promise<void>();
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std::future<void> counter_future = counter_promise_.get_future();
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handler_->Post(
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BindOnce(&BM_ReactorThread_sequential_execution_Benchmark::callback, bluetooth::common::Unretained(this)));
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counter_future.wait();
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}
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}
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};
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BENCHMARK_REGISTER_F(BM_ReactorThread, sequential_execution)
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->Arg(10)
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->Arg(1000)
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->Arg(10000)
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->Arg(100000)
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->Iterations(1)
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->UseRealTime();
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