1//===----------------------------------------------------------------------===// 2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 3// See https://llvm.org/LICENSE.txt for license information. 4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 5// 6//===----------------------------------------------------------------------===// 7 8#include <format> 9 10#include <string> 11 12#include "benchmark/benchmark.h" 13#include "make_string.h" 14 15#define CSTR(S) MAKE_CSTRING(CharT, S) 16 17template <class CharT> 18static void BM_formatted_size_string(benchmark::State& state) { 19 size_t size = state.range(0); 20 std::basic_string<CharT> str(size, CharT('*')); 21 22 while (state.KeepRunningBatch(str.size())) 23 benchmark::DoNotOptimize(std::formatted_size(CSTR("{}"), str)); 24 25 state.SetBytesProcessed(state.iterations() * size * sizeof(CharT)); 26} 27BENCHMARK_TEMPLATE(BM_formatted_size_string, char)->RangeMultiplier(2)->Range(1, 1 << 20); 28BENCHMARK_TEMPLATE(BM_formatted_size_string, wchar_t)->RangeMultiplier(2)->Range(1, 1 << 20); 29 30int main(int argc, char** argv) { 31 benchmark::Initialize(&argc, argv); 32 if (benchmark::ReportUnrecognizedArguments(argc, argv)) 33 return 1; 34 35 benchmark::RunSpecifiedBenchmarks(); 36} 37