diff options
Diffstat (limited to 'absl/time/duration_benchmark.cc')
-rw-r--r-- | absl/time/duration_benchmark.cc | 78 |
1 files changed, 72 insertions, 6 deletions
diff --git a/absl/time/duration_benchmark.cc b/absl/time/duration_benchmark.cc index 54f89a1f000d..d5657bd576a5 100644 --- a/absl/time/duration_benchmark.cc +++ b/absl/time/duration_benchmark.cc @@ -27,47 +27,113 @@ namespace { // void BM_Duration_Factory_Nanoseconds(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Nanoseconds(1)); + benchmark::DoNotOptimize(absl::Nanoseconds(i)); + i += 314159; } } BENCHMARK(BM_Duration_Factory_Nanoseconds); void BM_Duration_Factory_Microseconds(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Microseconds(1)); + benchmark::DoNotOptimize(absl::Microseconds(i)); + i += 314; } } BENCHMARK(BM_Duration_Factory_Microseconds); void BM_Duration_Factory_Milliseconds(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Milliseconds(1)); + benchmark::DoNotOptimize(absl::Milliseconds(i)); + i += 1; } } BENCHMARK(BM_Duration_Factory_Milliseconds); void BM_Duration_Factory_Seconds(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Seconds(1)); + benchmark::DoNotOptimize(absl::Seconds(i)); + i += 1; } } BENCHMARK(BM_Duration_Factory_Seconds); void BM_Duration_Factory_Minutes(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Minutes(1)); + benchmark::DoNotOptimize(absl::Minutes(i)); + i += 1; } } BENCHMARK(BM_Duration_Factory_Minutes); void BM_Duration_Factory_Hours(benchmark::State& state) { + int64_t i = 0; while (state.KeepRunning()) { - benchmark::DoNotOptimize(absl::Hours(1)); + benchmark::DoNotOptimize(absl::Hours(i)); + i += 1; } } BENCHMARK(BM_Duration_Factory_Hours); +void BM_Duration_Factory_DoubleNanoseconds(benchmark::State& state) { + double d = 1; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Nanoseconds(d)); + d = d * 1.00000001 + 1; + } +} +BENCHMARK(BM_Duration_Factory_DoubleNanoseconds); + +void BM_Duration_Factory_DoubleMicroseconds(benchmark::State& state) { + double d = 1e-3; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Microseconds(d)); + d = d * 1.00000001 + 1e-3; + } +} +BENCHMARK(BM_Duration_Factory_DoubleMicroseconds); + +void BM_Duration_Factory_DoubleMilliseconds(benchmark::State& state) { + double d = 1e-6; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Milliseconds(d)); + d = d * 1.00000001 + 1e-6; + } +} +BENCHMARK(BM_Duration_Factory_DoubleMilliseconds); + +void BM_Duration_Factory_DoubleSeconds(benchmark::State& state) { + double d = 1e-9; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Seconds(d)); + d = d * 1.00000001 + 1e-9; + } +} +BENCHMARK(BM_Duration_Factory_DoubleSeconds); + +void BM_Duration_Factory_DoubleMinutes(benchmark::State& state) { + double d = 1e-9; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Minutes(d)); + d = d * 1.00000001 + 1e-9; + } +} +BENCHMARK(BM_Duration_Factory_DoubleMinutes); + +void BM_Duration_Factory_DoubleHours(benchmark::State& state) { + double d = 1e-9; + while (state.KeepRunning()) { + benchmark::DoNotOptimize(absl::Hours(d)); + d = d * 1.00000001 + 1e-9; + } +} +BENCHMARK(BM_Duration_Factory_DoubleHours); + // // Arithmetic // |