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Tests updated and fixed.

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This commit is contained in:
IRainman 2025-03-28 16:21:59 +03:00
parent 922eaa135d
commit 01e9d35455
1 changed files with 11 additions and 33 deletions
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44
benchmarks/benchmark.cpp
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@ -56,7 +56,7 @@ Value findmax_fastfloat(std::vector<std::basic_string<CharT>> &s,
time += std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1); time += std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1);
#endif #endif
if (ec != std::errc{}) { if (p == st.data()) {
throw std::runtime_error("bug in findmax_fastfloat"); throw std::runtime_error("bug in findmax_fastfloat");
} }
answer = answer > x ? answer : x; answer = answer > x ? answer : x;
@ -171,7 +171,7 @@ void pretty_print(double volume, size_t number_of_floats, std::string const &nam
std::pair<double, double> result) { std::pair<double, double> result) {
double volumeMB = volume / (1024. * 1024.); double volumeMB = volume / (1024. * 1024.);
printf("%-40s: %8.2f MB/s (+/- %.1f %%) ", name.data(), printf("%-40s: %8.2f MB/s (+/- %.1f %%) ", name.data(),
volumeMB * 1'000'000'000 / result.first, volumeMB * 1000000000 / result.first,
(result.second - result.first) * 100.0 / result.second); (result.second - result.first) * 100.0 / result.second);
printf("%8.2f Mfloat/s ", number_of_floats * 1000 / result.first); printf("%8.2f Mfloat/s ", number_of_floats * 1000 / result.first);
printf(" %8.2f ns/f \n", double(result.first) / number_of_floats); printf(" %8.2f ns/f \n", double(result.first) / number_of_floats);
@ -198,7 +198,7 @@ std::vector<std::u16string> widen(const std::vector<std::string> &lines) {
} }
void process(std::vector<std::string> &lines, size_t volume) { void process(std::vector<std::string> &lines, size_t volume) {
size_t repeat = 1000; size_t const repeat = 1000;
double volumeMB = volume / (1024. * 1024.); double volumeMB = volume / (1024. * 1024.);
std::cout << "ASCII volume = " << volumeMB << " MB " << std::endl; std::cout << "ASCII volume = " << volumeMB << " MB " << std::endl;
pretty_print(volume, lines.size(), "fastfloat (64)", pretty_print(volume, lines.size(), "fastfloat (64)",
@ -232,44 +232,20 @@ void fileload(std::string filename) {
size_t volume = 0; size_t volume = 0;
while (getline(inputfile, line)) { while (getline(inputfile, line)) {
#ifdef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN #ifdef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
/* This code is a simple parser emulator */ if (line[0] == '-') {
for (size_t n = 0; n < line.size(); ++n) { line.erase(0, 1);
if ((line[n] >= '0' && line[n] <= '9')) {
/* in the real parser we don't check anything else
and call the from_chars function immediately */
const auto s = n;
for (++n; n < line.size() &&
((line[n] >= '0' && line[n] <= '9') || line[n] == 'e' ||
line[n] == 'E' || line[n] == '.' || line[n] == '-' ||
line[n] == '+'
/* last line for exponent sign*/
);
++n) {
} }
/*~ in the real parser we don't check anything else
and call the from_chars function immediately */
volume += lines.emplace_back(line.substr(s, n)).size();
} else {
/* for the test we simplify skipped all other symbols,
in real application this should be a full parser,
that parse also any mathematical operations like + and -
and this is the reason why we don't need to check a sign
when FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN is enabled. */
++n;
continue;
}
}
// in the real parser this part of code should return end token
#else
volume += lines.emplace_back(line).size();
#endif #endif
volume += lines.emplace_back(line).size();
} }
std::cout << "# read " << lines.size() << " lines " << std::endl; std::cout << "# read " << lines.size() << " lines " << std::endl;
process(lines, volume); process(lines, volume);
} }
int main(int argc, char **argv) { int main(int argc, char **argv) {
#ifdef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
std::cout << "# FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN is enabled" << std::endl;
#endif
#ifdef USING_COUNTERS #ifdef USING_COUNTERS
if (collector.has_events()) { if (collector.has_events()) {
std::cout << "# Using hardware counters" << std::endl; std::cout << "# Using hardware counters" << std::endl;
@ -285,6 +261,8 @@ int main(int argc, char **argv) {
fileload(argv[1]); fileload(argv[1]);
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
fileload(std::string(BENCHMARK_DATA_DIR) + "/contrived.txt");
fileload(std::string(BENCHMARK_DATA_DIR) + "/canada_short.txt");
fileload(std::string(BENCHMARK_DATA_DIR) + "/canada.txt"); fileload(std::string(BENCHMARK_DATA_DIR) + "/canada.txt");
fileload(std::string(BENCHMARK_DATA_DIR) + "/mesh.txt"); fileload(std::string(BENCHMARK_DATA_DIR) + "/mesh.txt");
return EXIT_SUCCESS; return EXIT_SUCCESS;