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Benchmark are updated.

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This commit is contained in:
IRainman 2025-12-09 22:40:28 +03:00
parent c54bafd083
commit b79c3e5c0a
1 changed files with 18 additions and 9 deletions
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27
benchmarks/benchmark.cpp
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@ -1,6 +1,7 @@
// #define FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
// #define FASTFLOAT_ONLY_ROUNDS_TO_NEAREST_SUPPORTED
// #define FASTFLOAT_ISNOT_CHECKED_BOUNDS
#if defined(__linux__) || (__APPLE__ && __aarch64__)
#define USING_COUNTERS
@ -50,14 +51,16 @@ time_it_ns(std::vector<std::basic_string<CharT>> &lines, T const &function,
size_t repeat) {
std::vector<event_count> aggregate;
bool printed_bug = false;
for (size_t i = 0; i < repeat; i++) {
for (size_t i = 0; i != repeat; ++i) {
collector.start();
auto const ts = function(lines);
aggregate.push_back(collector.end());
if (ts == 0 && !printed_bug) {
printf("bug\n");
printed_bug = true;
}
aggregate.push_back(collector.end());
}
return aggregate;
}
@ -130,18 +133,21 @@ time_it_ns(std::vector<std::basic_string<CharT>> &lines, T const &function,
double average = 0;
double min_value = DBL_MAX;
bool printed_bug = false;
for (size_t i = 0; i < repeat; i++) {
for (size_t i = 0; i != repeat; ++i) {
t1 = std::chrono::high_resolution_clock::now();
auto const ts = function(lines);
if (ts == 0 && !printed_bug) {
printf("bug\n");
printed_bug = true;
}
t2 = std::chrono::high_resolution_clock::now();
double const dif = static_cast<double>(
std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1).count());
average += dif;
min_value = min_value < dif ? min_value : dif;
if (ts == 0 && !printed_bug) {
printf("bug\n");
printed_bug = true;
}
}
average /= repeat;
return std::make_pair(min_value, average);
@ -162,7 +168,7 @@ void pretty_print(size_t volume, size_t number_of_floats,
inline std::u16string widen(std::string const &line) {
std::u16string u16line;
u16line.resize(line.size());
for (size_t i = 0; i < line.size(); ++i) {
for (size_t i = 0; i != line.size(); ++i) {
u16line[i] = char16_t(line[i]);
}
return u16line;
@ -178,7 +184,7 @@ std::vector<std::u16string> widen(const std::vector<std::string> &lines) {
}
void process(std::vector<std::string> &lines, size_t volume) {
size_t const repeat = 1000;
size_t constexpr repeat = 1000;
double volumeMB = volume / (1024. * 1024.);
std::cout << "ASCII volume = " << volumeMB << " MB " << std::endl;
pretty_print(volume, lines.size(), "fastfloat (64)",
@ -232,6 +238,9 @@ int main(int argc, char **argv) {
std::cout << "# FASTFLOAT_ONLY_ROUNDS_TO_NEAREST_SUPPORTED is enabled"
<< std::endl;
#endif
#ifdef FASTFLOAT_ISNOT_CHECKED_BOUNDS
std::cout << "# FASTFLOAT_ISNOT_CHECKED_BOUNDS is enabled" << std::endl;
#endif
#ifdef USING_COUNTERS
if (collector.has_events()) {
std::cout << "# Using hardware counters" << std::endl;