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// 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
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