f340f773ed
-- 906c47420646d510edd2479d5542c56f5fa31b65 by CJ Johnson <johnsoncj@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 216573923 -- 74560d4afd2b605909e677c6fc3076049fb3010a by Eric Fiselier <ericwf@google.com>: Avoid -Wformat-pedantic in benchmark. PiperOrigin-RevId: 216523769 -- 9bcc9da8b03e6d1ea43ee78931256c5541cb9686 by Eric Fiselier <ericwf@google.com>: Delete unused CityHash functions. PiperOrigin-RevId: 216464492 -- a42563b394c89fbb4c55cb5a6a5edbf96d271eea by Abseil Team <absl-team@google.com>: Introduce new Abseil interfaces for converting between civil times and absolute times.s Deprecates absl::ConvertDateTime() and absl::FromDateTime(). PiperOrigin-RevId: 216424948 -- 088e11235124267517d7f137854fa5554679c24f by Eric Fiselier <ericwf@google.com>: Remove unneeded break statements in test. PiperOrigin-RevId: 216403321 GitOrigin-RevId: 906c47420646d510edd2479d5542c56f5fa31b65 Change-Id: Idb44420be623e369c66f5a9c92bdc9ab46d3ec92
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// 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
|
|
//
|
|
// http://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/civil_time.h"
|
|
|
|
#include "benchmark/benchmark.h"
|
|
|
|
namespace {
|
|
|
|
// Benchmark Time(ns) CPU(ns) Iterations
|
|
// -------------------------------------------------------------------------
|
|
// BM_Difference_Days 20 20 34542508
|
|
// BM_Step_Days 15 15 48098146
|
|
// BM_Format 688 687 1019803
|
|
// BM_Parse 921 920 762788
|
|
// BM_RoundTripFormatParse 1766 1764 396092
|
|
|
|
void BM_Difference_Days(benchmark::State& state) {
|
|
const absl::CivilDay c(2014, 8, 22);
|
|
const absl::CivilDay epoch(1970, 1, 1);
|
|
while (state.KeepRunning()) {
|
|
const absl::civil_diff_t n = c - epoch;
|
|
benchmark::DoNotOptimize(n);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Difference_Days);
|
|
|
|
void BM_Step_Days(benchmark::State& state) {
|
|
const absl::CivilDay kStart(2014, 8, 22);
|
|
absl::CivilDay c = kStart;
|
|
while (state.KeepRunning()) {
|
|
benchmark::DoNotOptimize(++c);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Step_Days);
|
|
|
|
void BM_Format(benchmark::State& state) {
|
|
const absl::CivilSecond c(2014, 1, 2, 3, 4, 5);
|
|
while (state.KeepRunning()) {
|
|
const std::string s = absl::FormatCivilTime(c);
|
|
benchmark::DoNotOptimize(s);
|
|
}
|
|
}
|
|
BENCHMARK(BM_Format);
|
|
|
|
} // namespace
|