spdlog/bench/formatter-bench.cpp
2019-07-10 01:41:55 +03:00

81 lines
2.4 KiB
C++

//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#include "benchmark/benchmark.h"
#include "spdlog/spdlog.h"
#include "spdlog/details/pattern_formatter.h"
void bench_formatter(benchmark::State &state, std::string pattern)
{
auto formatter = spdlog::details::make_unique<spdlog::pattern_formatter>(pattern);
fmt::memory_buffer dest;
std::string logger_name = "logger-name";
const char *text = "Hello. This is some message with length of 80 ";
spdlog::source_loc source_loc{"a/b/c/d/myfile.cpp", 123, "some_func()"};
spdlog::details::log_msg msg(source_loc, logger_name, spdlog::level::info, text);
for (auto _ : state)
{
dest.clear();
formatter->format(msg, dest);
benchmark::DoNotOptimize(dest);
}
}
void bench_formatters()
{
// basic patterns(single flag)
std::string all_flags = "+vtPnlLaAbBcCYDmdHIMSefFprRTXzEisg@luioO%";
std::vector<std::string> basic_patterns;
for (auto &flag : all_flags)
{
auto pattern = std::string("%") + flag;
benchmark::RegisterBenchmark(pattern.c_str(), bench_formatter, pattern);
// pattern = std::string("%16") + flag;
// benchmark::RegisterBenchmark(pattern.c_str(), bench_formatter, pattern);
//
// // bench center padding
// pattern = std::string("%=16") + flag;
// benchmark::RegisterBenchmark(pattern.c_str(), bench_formatter, pattern);
}
// complex patterns
std::vector<std::string> patterns = {
"[%D %X] [%l] [%n] %v",
"[%Y-%m-%d %H:%M:%S.%e] [%l] [%n] %v",
"[%Y-%m-%d %H:%M:%S.%e] [%l] [%n] [%t] %v",
};
for (auto &pattern : patterns)
{
benchmark::RegisterBenchmark(pattern.c_str(), bench_formatter, pattern)->Iterations(2500000);
}
}
int main(int argc, char *argv[])
{
spdlog::set_pattern("[%^%l%$] %v");
if (argc != 2)
{
spdlog::error("Usage: {} <pattern> (or \"all\" to bench all)", argv[0]);
exit(1);
}
std::string pattern = argv[1];
if (pattern == "all")
{
bench_formatters();
}
else
{
benchmark::RegisterBenchmark(pattern.c_str(), bench_formatter, pattern);
}
benchmark::Initialize(&argc, argv);
benchmark::RunSpecifiedBenchmarks();
}