You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.1 KiB
75 lines
2.1 KiB
// Copyright 2018 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 "absl/time/clock.h"
|
|
|
|
#if !defined(_WIN32)
|
|
#include <sys/time.h>
|
|
#else
|
|
#include <winsock2.h>
|
|
#endif // _WIN32
|
|
#include <cstdio>
|
|
|
|
#include "absl/base/internal/cycleclock.h"
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace {
|
|
|
|
void BM_Clock_Now_AbslTime(benchmark::State& state) {
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(absl::Now());
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_AbslTime);
|
|
|
|
void BM_Clock_Now_GetCurrentTimeNanos(benchmark::State& state) {
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(absl::GetCurrentTimeNanos());
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_GetCurrentTimeNanos);
|
|
|
|
void BM_Clock_Now_AbslTime_ToUnixNanos(benchmark::State& state) {
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(absl::ToUnixNanos(absl::Now()));
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_AbslTime_ToUnixNanos);
|
|
|
|
void BM_Clock_Now_CycleClock(benchmark::State& state) {
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(absl::base_internal::CycleClock::Now());
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_CycleClock);
|
|
|
|
#if !defined(_WIN32)
|
|
static void BM_Clock_Now_gettimeofday(benchmark::State& state) {
|
|
struct timeval tv;
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(gettimeofday(&tv, nullptr));
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_gettimeofday);
|
|
|
|
static void BM_Clock_Now_clock_gettime(benchmark::State& state) {
|
|
struct timespec ts;
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(clock_gettime(CLOCK_REALTIME, &ts));
|
|
}
|
|
}
|
|
BENCHMARK(BM_Clock_Now_clock_gettime);
|
|
#endif // _WIN32
|
|
|
|
} // namespace
|