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Differential D96221 Diff 321994 libcxx/benchmarks/format_itoa_to_chars_base_10.bench.cpp

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libcxx/benchmarks/format_itoa_to_chars_base_10.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"
#include <charconv>
template <class CharT, class T>
static void BM_to_chars_base_10(benchmark::State& state) {
std::array<T, batch_size> values = create_array<T>(state.range(0));
char buffer[128];
while (state.KeepRunningBatch(batch_size))
for (auto value : values)
benchmark::DoNotOptimize(std::to_chars(buffer, &buffer[128], value));
}
BENCHMARK_TEMPLATE(BM_to_chars_base_10, char, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_to_chars_base_10, char, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_to_chars_base_10, char, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_to_chars_base_10, char, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
template <class CharT, class T>
static void BM_format_to_chars_base_10(benchmark::State& state) {
std::array<T, batch_size> values = create_array<T>(state.range(0));
char buffer[128];
while (state.KeepRunningBatch(batch_size))
for (auto value : values)
benchmark::DoNotOptimize(std::__to_chars_base_10(buffer, value));
}
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
#ifndef _LIBCPP_HAS_NO_INT128
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, __uint128_t)
->DenseRange(1, digits_max<__uint128_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char, __int128_t)
->DenseRange(1, digits_max<__int128_t>, 1);
#endif
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
#ifndef _LIBCPP_HAS_NO_INT128
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, __uint128_t)
->DenseRange(1, digits_max<__uint128_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, wchar_t, __int128_t)
->DenseRange(1, digits_max<__int128_t>, 1);
#endif
#ifndef _LIBCPP_NO_HAS_CHAR8_T
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
#ifndef _LIBCPP_HAS_NO_INT128
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, __uint128_t)
->DenseRange(1, digits_max<__uint128_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char8_t, __int128_t)
->DenseRange(1, digits_max<__int128_t>, 1);
#endif
#endif
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
#ifndef _LIBCPP_HAS_NO_INT128
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, __uint128_t)
->DenseRange(1, digits_max<__uint128_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char16_t, __int128_t)
->DenseRange(1, digits_max<__int128_t>, 1);
#endif
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, uint32_t)
->DenseRange(1, digits_max<uint32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, int32_t)
->DenseRange(1, digits_max<int32_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, uint64_t)
->DenseRange(1, digits_max<uint64_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, int64_t)
->DenseRange(1, digits_max<int64_t>, 1);
#ifndef _LIBCPP_HAS_NO_INT128
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, __uint128_t)
->DenseRange(1, digits_max<__uint128_t>, 1);
BENCHMARK_TEMPLATE(BM_format_to_chars_base_10, char32_t, __int128_t)
->DenseRange(1, digits_max<__int128_t>, 1);
#endif
#endif
int main(int argc, char** argv) {
benchmark::Initialize(&argc, argv);
if (benchmark::ReportUnrecognizedArguments(argc, argv))
return 1;
benchmark::RunSpecifiedBenchmarks();
}