92020a042c
- 64db19b773134c6c8004e3b23c9ca892efbf8bae Move SpinLock's adaptive spin count computation from a st... by Derek Mauro <dmauro@google.com>
- 6f9533fb44a52485a7c2bbb9b4efc7bf8d6c359a Import of CCTZ from GitHub. by Abseil Team <absl-team@google.com>
- a211d7255c986e8dd4ceada362c0d054a6a1969a Cleanup exception flags by Abseil Team <absl-team@google.com>
- babdb29c590126fe9bba5229fe91034b5b5c358a Release time benchmarks. by Alex Strelnikov <strel@google.com>
- 5803b32a3ff123d1fb57a0c471d199c818357c9f Release memutil microbenchmarks. by Alex Strelnikov <strel@google.com>
- 5357d4890d30e80c53beb05af32500fb20e9402b Add parens around expansion of ABSL_PREDICT_{FALSE,TRUE} ... by Abseil Team <absl-team@google.com>
- 32023f61a239a5f6b1c59e577bfe81b179bbcd2d Reformat build rule tag. by Alex Strelnikov <strel@google.com>
- 833758ecf2b0cf7a42bbd50b5b127e416425c168 Release uint128 microbenchmarks. by Alex Strelnikov <strel@google.com>
- c115a9bca1f944b90fdc78a56b2de176466b124f Disambiguate bitwise-not of size_type by Abseil Team <absl-team@google.com>
- f6905f5b5f6e425792de646edafde440548d9346 Updates ConstructorTracker and TrackedObjects with 1) a m... by Abseil Team <absl-team@google.com>
- 147c553bdd5d2db20a38f75c4d1ef973d6c709c5 Changes the absl::Duration factory functions to disallow ... by Greg Miller <jgm@google.com>
- dba2b96d11b5264546b283ba452f2de1303b0f07 White space fix by Alex Strelnikov <strel@google.com>
GitOrigin-RevId: abacaab4b11a69dd4db627bd183571d7cabb8def
Change-Id: I6fa34f20d0b2f898e7b5475a603111413bb80a67
72 lines
2 KiB
C++
72 lines
2 KiB
C++
// Copyright 2018 The Abseil Authors.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/time/clock.h"
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#if !defined(_WIN32)
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#include <sys/time.h>
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#endif // _WIN32
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#include <cstdio>
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#include "absl/base/internal/cycleclock.h"
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#include "benchmark/benchmark.h"
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namespace {
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void BM_Clock_Now_AbslTime(benchmark::State& state) {
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::Now());
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}
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}
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BENCHMARK(BM_Clock_Now_AbslTime);
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void BM_Clock_Now_GetCurrentTimeNanos(benchmark::State& state) {
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::GetCurrentTimeNanos());
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}
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}
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BENCHMARK(BM_Clock_Now_GetCurrentTimeNanos);
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void BM_Clock_Now_AbslTime_ToUnixNanos(benchmark::State& state) {
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::ToUnixNanos(absl::Now()));
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}
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}
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BENCHMARK(BM_Clock_Now_AbslTime_ToUnixNanos);
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void BM_Clock_Now_CycleClock(benchmark::State& state) {
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::base_internal::CycleClock::Now());
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}
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}
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BENCHMARK(BM_Clock_Now_CycleClock);
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#if !defined(_WIN32)
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static void BM_Clock_Now_gettimeofday(benchmark::State& state) {
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struct timeval tv;
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(gettimeofday(&tv, nullptr));
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}
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}
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BENCHMARK(BM_Clock_Now_gettimeofday);
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static void BM_Clock_Now_clock_gettime(benchmark::State& state) {
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struct timespec ts;
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(clock_gettime(CLOCK_REALTIME, &ts));
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}
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}
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BENCHMARK(BM_Clock_Now_clock_gettime);
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#endif // _WIN32
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} // namespace
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