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
BenchmarkFormatInt(benchmark::State & state)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
BenchmarkStringPrintfInt(benchmark::State & state)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
BenchmarkFormatFloat(benchmark::State & state)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
BenchmarkStringPrintfFloat(benchmark::State & state)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
BenchmarkFormatStrings(benchmark::State & state)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
BenchmarkStringPrintfStrings(benchmark::State & state)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();
81