fc8dc48020
git-subtree-dir: third_party/abseil_cpp git-subtree-mainline:ffb2ae54begit-subtree-split:768eb2ca28
64 lines
2.2 KiB
C++
64 lines
2.2 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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// https://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 <cstddef>
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#include <string>
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#include "absl/time/internal/test_util.h"
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#include "absl/time/time.h"
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#include "benchmark/benchmark.h"
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namespace {
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namespace {
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const char* const kFormats[] = {
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absl::RFC1123_full, // 0
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absl::RFC1123_no_wday, // 1
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absl::RFC3339_full, // 2
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absl::RFC3339_sec, // 3
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"%Y-%m-%dT%H:%M:%S", // 4
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"%Y-%m-%d", // 5
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};
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const int kNumFormats = sizeof(kFormats) / sizeof(kFormats[0]);
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} // namespace
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void BM_Format_FormatTime(benchmark::State& state) {
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const std::string fmt = kFormats[state.range(0)];
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state.SetLabel(fmt);
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const absl::TimeZone lax =
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absl::time_internal::LoadTimeZone("America/Los_Angeles");
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const absl::Time t =
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absl::FromCivil(absl::CivilSecond(1977, 6, 28, 9, 8, 7), lax) +
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absl::Nanoseconds(1);
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::FormatTime(fmt, t, lax).length());
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}
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}
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BENCHMARK(BM_Format_FormatTime)->DenseRange(0, kNumFormats - 1);
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void BM_Format_ParseTime(benchmark::State& state) {
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const std::string fmt = kFormats[state.range(0)];
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state.SetLabel(fmt);
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const absl::TimeZone lax =
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absl::time_internal::LoadTimeZone("America/Los_Angeles");
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absl::Time t = absl::FromCivil(absl::CivilSecond(1977, 6, 28, 9, 8, 7), lax) +
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absl::Nanoseconds(1);
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const std::string when = absl::FormatTime(fmt, t, lax);
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std::string err;
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while (state.KeepRunning()) {
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benchmark::DoNotOptimize(absl::ParseTime(fmt, when, lax, &t, &err));
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}
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}
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BENCHMARK(BM_Format_ParseTime)->DenseRange(0, kNumFormats - 1);
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} // namespace
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