38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Copyright 2017 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/thread_identity.h"
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#include "absl/synchronization/internal/create_thread_identity.h"
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#include "absl/synchronization/internal/per_thread_sem.h"
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namespace {
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void BM_SafeCurrentThreadIdentity(benchmark::State& state) {
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for (auto _ : state) {
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benchmark::DoNotOptimize(
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absl::synchronization_internal::GetOrCreateCurrentThreadIdentity());
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}
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}
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BENCHMARK(BM_SafeCurrentThreadIdentity);
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void BM_UnsafeCurrentThreadIdentity(benchmark::State& state) {
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for (auto _ : state) {
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benchmark::DoNotOptimize(
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absl::base_internal::CurrentThreadIdentityIfPresent());
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}
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}
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BENCHMARK(BM_UnsafeCurrentThreadIdentity);
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} // namespace
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