From 556fcb57eb5f87e137c7db39b5a60ab3c4aa525f Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Wed, 20 Sep 2023 07:46:16 -0700 Subject: absl: add Mutex::ReaderLock benchmark PiperOrigin-RevId: 566961701 Change-Id: Id04e4c5a598f508a0fe7532ae8f084c583865f2d --- absl/synchronization/mutex_benchmark.cc | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'absl/synchronization') diff --git a/absl/synchronization/mutex_benchmark.cc b/absl/synchronization/mutex_benchmark.cc index b5d2fbc4..0af56d9e 100644 --- a/absl/synchronization/mutex_benchmark.cc +++ b/absl/synchronization/mutex_benchmark.cc @@ -34,6 +34,14 @@ void BM_Mutex(benchmark::State& state) { } BENCHMARK(BM_Mutex)->UseRealTime()->Threads(1)->ThreadPerCpu(); +void BM_ReaderLock(benchmark::State& state) { + static absl::Mutex* mu = new absl::Mutex; + for (auto _ : state) { + absl::ReaderMutexLock lock(mu); + } +} +BENCHMARK(BM_ReaderLock)->UseRealTime()->Threads(1)->ThreadPerCpu(); + static void DelayNs(int64_t ns, int* data) { int64_t end = absl::base_internal::CycleClock::Now() + ns * absl::base_internal::CycleClock::Frequency() / 1e9; -- cgit v1.2.3