spdlog/example/bench.cpp

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// example.cpp : Simple logger example
//
#include <mutex>
#include "c11log/logger.h"
#include "c11log/pattern_formatter.h"
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#include "c11log/sinks/async_sink.h"
#include "c11log/sinks/file_sinks.h"
#include "c11log/sinks/stdout_sinks.h"
#include "c11log/sinks/null_sink.h"
#include "utils.h"
using std::cout;
using std::endl;
using namespace std::chrono;
using namespace c11log;
using namespace utils;
int main(int argc, char* argv[])
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{
const unsigned int howmany = argc <= 1 ? 500000 : atoi(argv[1]);
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std::string pattern = "%Y:%m:%d %H:%M:%S.%e [%n:%l] %t";
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auto formatter1 = std::unique_ptr<formatter>(new pattern_formatter(pattern));
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logger cout_logger("bench", std::make_shared<sinks::stderr_sink_mt>() , std::move(formatter1));
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cout_logger.info() << "Hello logger";
auto nullsink = std::make_shared<sinks::null_sink<details::null_mutex>>();
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auto formatter2 = std::unique_ptr<formatter>(new pattern_formatter(pattern));
logger my_logger("my_logger", nullsink, std::move(formatter2));
//logger my_logger("my_logger", nullsink);
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auto start = system_clock::now();
for (unsigned int i = 1; i <= howmany; ++i)
my_logger.info() << "Hello logger: msg #" << i;
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auto delta = system_clock::now() - start;
auto delta_d = duration_cast<duration<double>> (delta).count();
cout << "Total:" << format(howmany) << endl;
cout << "Delta:" << format(delta_d) << endl;
cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl;
return 0;
}