Files
MapLibreParticleLab/benchmark/util/dtoa.benchmark.cpp

67 lines
1.6 KiB
C++

#include <benchmark/benchmark.h>
#include <mbgl/util/dtoa.hpp>
#include <cfloat>
#include <cmath>
using namespace mbgl;
static void Util_dtoa(::benchmark::State& state) {
while (state.KeepRunning()) {
util::dtoa(0.);
util::dtoa(M_E);
util::dtoa(M_LOG2E);
util::dtoa(M_LOG10E);
util::dtoa(M_LN2);
util::dtoa(M_LN10);
util::dtoa(M_PI);
util::dtoa(M_PI_2);
util::dtoa(M_PI_4);
util::dtoa(M_1_PI);
util::dtoa(M_2_PI);
util::dtoa(M_2_SQRTPI);
util::dtoa(M_SQRT2);
util::dtoa(M_SQRT1_2);
}
}
static void Util_standardDtoa(::benchmark::State& state) {
while (state.KeepRunning()) {
std::to_string(0.);
std::to_string(M_E);
std::to_string(M_LOG2E);
std::to_string(M_LOG10E);
std::to_string(M_LN2);
std::to_string(M_LN10);
std::to_string(M_PI);
std::to_string(M_PI_2);
std::to_string(M_PI_4);
std::to_string(M_1_PI);
std::to_string(M_2_PI);
std::to_string(M_2_SQRTPI);
std::to_string(M_SQRT2);
std::to_string(M_SQRT1_2);
}
}
static void Util_dtoaLimits(::benchmark::State& state) {
while (state.KeepRunning()) {
util::dtoa(DBL_MIN);
util::dtoa(DBL_MAX);
}
}
static void Util_standardDtoaLimits(::benchmark::State& state) {
while (state.KeepRunning()) {
std::to_string(DBL_MIN);
std::to_string(DBL_MAX);
}
}
BENCHMARK(Util_dtoa);
BENCHMARK(Util_standardDtoa);
BENCHMARK(Util_dtoaLimits);
BENCHMARK(Util_standardDtoaLimits);