diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/spinlock_benchmark.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/base/internal/spinlock_benchmark.cc | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/spinlock_benchmark.cc b/third_party/abseil_cpp/absl/base/internal/spinlock_benchmark.cc deleted file mode 100644 index 0451c65f9559..000000000000 --- a/third_party/abseil_cpp/absl/base/internal/spinlock_benchmark.cc +++ /dev/null @@ -1,52 +0,0 @@ -// Copyright 2018 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 -// -// https://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. - -// See also //absl/synchronization:mutex_benchmark for a comparison of SpinLock -// and Mutex performance under varying levels of contention. - -#include "absl/base/internal/raw_logging.h" -#include "absl/base/internal/scheduling_mode.h" -#include "absl/base/internal/spinlock.h" -#include "absl/synchronization/internal/create_thread_identity.h" -#include "benchmark/benchmark.h" - -namespace { - -template <absl::base_internal::SchedulingMode scheduling_mode> -static void BM_SpinLock(benchmark::State& state) { - // Ensure a ThreadIdentity is installed. - ABSL_INTERNAL_CHECK( - absl::synchronization_internal::GetOrCreateCurrentThreadIdentity() != - nullptr, - "GetOrCreateCurrentThreadIdentity() failed"); - - static auto* spinlock = new absl::base_internal::SpinLock(scheduling_mode); - for (auto _ : state) { - absl::base_internal::SpinLockHolder holder(spinlock); - } -} - -BENCHMARK_TEMPLATE(BM_SpinLock, - absl::base_internal::SCHEDULE_KERNEL_ONLY) - ->UseRealTime() - ->Threads(1) - ->ThreadPerCpu(); - -BENCHMARK_TEMPLATE(BM_SpinLock, - absl::base_internal::SCHEDULE_COOPERATIVE_AND_KERNEL) - ->UseRealTime() - ->Threads(1) - ->ThreadPerCpu(); - -} // namespace |