75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright 2020 The Marl Authors.
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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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// https://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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#include "marl_bench.h"
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#include "marl/containers.h"
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#include "marl/event.h"
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#include "benchmark/benchmark.h"
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BENCHMARK_DEFINE_F(Schedule, Event)(benchmark::State& state) {
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run(state, [&](int numTasks) {
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for (auto _ : state) {
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marl::containers::vector<marl::Event, 1> events;
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events.resize(numTasks + 1);
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for (auto i = 0; i < numTasks; i++) {
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marl::Event prev = events[i];
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marl::Event next = events[i + 1];
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marl::schedule([=] {
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prev.wait();
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next.signal();
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});
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}
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events.front().signal();
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events.back().wait();
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}
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});
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}
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BENCHMARK_REGISTER_F(Schedule, Event)->Apply(Schedule::args<512>);
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// EventBaton benchmarks alternating execution of two tasks.
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BENCHMARK_DEFINE_F(Schedule, EventBaton)(benchmark::State& state) {
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run(state, [&](int numPasses) {
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for (auto _ : state) {
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marl::Event passToA(marl::Event::Mode::Auto);
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marl::Event passToB(marl::Event::Mode::Auto);
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marl::Event done(marl::Event::Mode::Auto);
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marl::schedule(marl::Task(
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[=] {
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for (int i = 0; i < numPasses; i++) {
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passToA.wait();
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passToB.signal();
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}
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},
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marl::Task::Flags::SameThread));
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marl::schedule(marl::Task(
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[=] {
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for (int i = 0; i < numPasses; i++) {
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passToB.wait();
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passToA.signal();
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}
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done.signal();
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},
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marl::Task::Flags::SameThread));
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passToA.signal();
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done.wait();
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}
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});
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}
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BENCHMARK_REGISTER_F(Schedule, EventBaton)->Apply(Schedule::args<262144>);
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