Abseil Common Libraries (C++) (grcp 依赖)
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79 lines
2.3 KiB
79 lines
2.3 KiB
// Copyright 2019 The Abseil 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 "benchmark/benchmark.h" |
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#include "absl/base/internal/periodic_sampler.h" |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace base_internal { |
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namespace { |
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template <typename Sampler> |
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void BM_Sample(Sampler* sampler, benchmark::State& state) { |
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for (auto _ : state) { |
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benchmark::DoNotOptimize(sampler); |
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benchmark::DoNotOptimize(sampler->Sample()); |
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} |
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} |
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template <typename Sampler> |
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void BM_SampleMinunumInlined(Sampler* sampler, benchmark::State& state) { |
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for (auto _ : state) { |
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benchmark::DoNotOptimize(sampler); |
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if (ABSL_PREDICT_FALSE(sampler->SubtleMaybeSample())) { |
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benchmark::DoNotOptimize(sampler->SubtleConfirmSample()); |
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} |
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} |
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} |
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void BM_PeriodicSampler_TinySample(benchmark::State& state) { |
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struct Tag {}; |
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PeriodicSampler<Tag, 10> sampler; |
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BM_Sample(&sampler, state); |
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} |
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BENCHMARK(BM_PeriodicSampler_TinySample); |
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void BM_PeriodicSampler_ShortSample(benchmark::State& state) { |
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struct Tag {}; |
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PeriodicSampler<Tag, 1024> sampler; |
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BM_Sample(&sampler, state); |
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} |
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BENCHMARK(BM_PeriodicSampler_ShortSample); |
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void BM_PeriodicSampler_LongSample(benchmark::State& state) { |
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struct Tag {}; |
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PeriodicSampler<Tag, 1024 * 1024> sampler; |
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BM_Sample(&sampler, state); |
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} |
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BENCHMARK(BM_PeriodicSampler_LongSample); |
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void BM_PeriodicSampler_LongSampleMinunumInlined(benchmark::State& state) { |
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struct Tag {}; |
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PeriodicSampler<Tag, 1024 * 1024> sampler; |
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BM_SampleMinunumInlined(&sampler, state); |
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} |
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BENCHMARK(BM_PeriodicSampler_LongSampleMinunumInlined); |
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void BM_PeriodicSampler_Disabled(benchmark::State& state) { |
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struct Tag {}; |
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PeriodicSampler<Tag, 0> sampler; |
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BM_Sample(&sampler, state); |
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} |
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BENCHMARK(BM_PeriodicSampler_Disabled); |
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} // namespace |
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} // namespace base_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl
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