1 files changed, 38 insertions, 0 deletions
diff --git a/third_party/abseil-cpp/absl/base/internal/thread_identity_benchmark.cc b/third_party/abseil-cpp/absl/base/internal/thread_identity_benchmark.cc
new file mode 100644
index 0000000000..0ae10f2b1e
--- /dev/null
+++ b/third_party/abseil-cpp/absl/base/internal/thread_identity_benchmark.cc
@@ -0,0 +1,38 @@
+// 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
+//
+//      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.
+
+#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