Tom Cherry | 377d1ad | 2019-06-14 14:34:54 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "android-base/format.h" |
| 18 | |
| 19 | #include <limits> |
| 20 | |
| 21 | #include <benchmark/benchmark.h> |
| 22 | |
| 23 | #include "android-base/stringprintf.h" |
| 24 | |
| 25 | using android::base::StringPrintf; |
| 26 | |
| 27 | static void BenchmarkFormatInt(benchmark::State& state) { |
| 28 | for (auto _ : state) { |
| 29 | benchmark::DoNotOptimize(fmt::format("{} {} {}", 42, std::numeric_limits<int>::min(), |
| 30 | std::numeric_limits<int>::max())); |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | BENCHMARK(BenchmarkFormatInt); |
| 35 | |
| 36 | static void BenchmarkStringPrintfInt(benchmark::State& state) { |
| 37 | for (auto _ : state) { |
| 38 | benchmark::DoNotOptimize(StringPrintf("%d %d %d", 42, std::numeric_limits<int>::min(), |
| 39 | std::numeric_limits<int>::max())); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | BENCHMARK(BenchmarkStringPrintfInt); |
| 44 | |
| 45 | static void BenchmarkFormatFloat(benchmark::State& state) { |
| 46 | for (auto _ : state) { |
| 47 | benchmark::DoNotOptimize(fmt::format("{} {} {}", 42.42, std::numeric_limits<float>::min(), |
| 48 | std::numeric_limits<float>::max())); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | BENCHMARK(BenchmarkFormatFloat); |
| 53 | |
| 54 | static void BenchmarkStringPrintfFloat(benchmark::State& state) { |
| 55 | for (auto _ : state) { |
| 56 | benchmark::DoNotOptimize(StringPrintf("%f %f %f", 42.42, std::numeric_limits<float>::min(), |
| 57 | std::numeric_limits<float>::max())); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | BENCHMARK(BenchmarkStringPrintfFloat); |
| 62 | |
| 63 | static void BenchmarkFormatStrings(benchmark::State& state) { |
| 64 | for (auto _ : state) { |
| 65 | benchmark::DoNotOptimize(fmt::format("{} hello there {}", "hi,", "!!")); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | BENCHMARK(BenchmarkFormatStrings); |
| 70 | |
| 71 | static void BenchmarkStringPrintfStrings(benchmark::State& state) { |
| 72 | for (auto _ : state) { |
| 73 | benchmark::DoNotOptimize(StringPrintf("%s hello there %s", "hi,", "!!")); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | BENCHMARK(BenchmarkStringPrintfStrings); |
| 78 | |
| 79 | // Run the benchmark |
| 80 | BENCHMARK_MAIN(); |