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Differential D96221 Diff 321994 libcxx/benchmarks/format_itoa_character_width.bench.cpp

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libcxx/benchmarks/format_itoa_character_width.bench.cpp

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				//===----------------------------------------------------------------------===//
				// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
				// See https://llvm.org/LICENSE.txt for license information.
				// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
				//
				//===----------------------------------------------------------------------===//

				#include "FormatItoa.h"

				template <class T>
				static void BM_format_character_width_base_10(benchmark::State& state) {
				std::array<T, batch_size> values = create_array<T>(state.range(0));
				while (state.KeepRunningBatch(batch_size))
				for (auto value : values)
				benchmark::DoNotOptimize(std::__character_width_base_10(value));
				}
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, uint32_t)
				->DenseRange(1, digits_max<uint32_t>, 1);
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, int32_t)
				->DenseRange(1, digits_max<int32_t>, 1);
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, uint64_t)
				->DenseRange(1, digits_max<uint64_t>);
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, int64_t)
				->DenseRange(1, digits_max<int64_t>, 1);
				#ifndef _LIBCPP_HAS_NO_INT128
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, __uint128_t)
				->DenseRange(1, digits_max<__uint128_t>, 1);
				BENCHMARK_TEMPLATE(BM_format_character_width_base_10, __int128_t)
				->DenseRange(1, digits_max<__int128_t>, 1);
				#endif

				int main(int argc, char** argv) {
				benchmark::Initialize(&argc, argv);
				if (benchmark::ReportUnrecognizedArguments(argc, argv))
				return 1;

				benchmark::RunSpecifiedBenchmarks();
				}