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-rw-r--r--absl/time/BUILD.bazel1
-rw-r--r--absl/time/duration_benchmark.cc16
2 files changed, 17 insertions, 0 deletions
diff --git a/absl/time/BUILD.bazel b/absl/time/BUILD.bazel
index 991241a0..3e25ca26 100644
--- a/absl/time/BUILD.bazel
+++ b/absl/time/BUILD.bazel
@@ -119,6 +119,7 @@ cc_test(
":time",
"//absl/base",
"//absl/base:core_headers",
+ "//absl/flags:flag",
"//absl/hash",
"@com_github_google_benchmark//:benchmark_main",
],
diff --git a/absl/time/duration_benchmark.cc b/absl/time/duration_benchmark.cc
index 83a836c8..56820f37 100644
--- a/absl/time/duration_benchmark.cc
+++ b/absl/time/duration_benchmark.cc
@@ -18,9 +18,14 @@
#include <string>
#include "absl/base/attributes.h"
+#include "absl/flags/flag.h"
#include "absl/time/time.h"
#include "benchmark/benchmark.h"
+ABSL_FLAG(absl::Duration, absl_duration_flag_for_benchmark,
+ absl::Milliseconds(1),
+ "Flag to use for benchmarking duration flag access speed.");
+
namespace {
//
@@ -425,4 +430,15 @@ void BM_Duration_ParseDuration(benchmark::State& state) {
}
BENCHMARK(BM_Duration_ParseDuration)->DenseRange(0, kNumDurations - 1);
+//
+// Flag access
+//
+void BM_Duration_GetFlag(benchmark::State& state) {
+ while (state.KeepRunning()) {
+ benchmark::DoNotOptimize(
+ absl::GetFlag(FLAGS_absl_duration_flag_for_benchmark));
+ }
+}
+BENCHMARK(BM_Duration_GetFlag);
+
} // namespace