Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.3 KiB
40 lines
1.3 KiB
// Copyright 2017 The Abseil Authors. |
|
// |
|
// 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 "benchmark/benchmark.h" |
|
#include "absl/base/internal/thread_identity.h" |
|
#include "absl/synchronization/internal/create_thread_identity.h" |
|
#include "absl/synchronization/internal/per_thread_sem.h" |
|
|
|
namespace { |
|
|
|
void BM_SafeCurrentThreadIdentity(benchmark::State& state) { |
|
for (auto _ : state) { |
|
benchmark::DoNotOptimize( |
|
absl::synchronization_internal::GetOrCreateCurrentThreadIdentity()); |
|
} |
|
} |
|
BENCHMARK(BM_SafeCurrentThreadIdentity); |
|
|
|
void BM_UnsafeCurrentThreadIdentity(benchmark::State& state) { |
|
for (auto _ : state) { |
|
benchmark::DoNotOptimize( |
|
absl::base_internal::CurrentThreadIdentityIfPresent()); |
|
} |
|
} |
|
BENCHMARK(BM_UnsafeCurrentThreadIdentity); |
|
|
|
} // namespace |
|
|
|
BENCHMARK_MAIN();
|
|
|