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bench

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This commit is contained in:
gabime
2014-10-31 16:34:48 +02:00
parent 31971bf63b
commit 2d075bcfda
9 changed files with 98 additions and 118 deletions
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108
example/bench.cpp
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@@ -1,5 +1,11 @@
// example.cpp : Simple logger example
//
// bench.cpp : spdlog benchmarks
//
#include <iostream>
#include <memory>
#include <string>
#include <thread>
#include <atomic>
#include "spdlog/spdlog.h"
#include "spdlog/sinks/file_sinks.h"
#include "spdlog/sinks/stdout_sinks.h"
@@ -10,47 +16,93 @@
using namespace std;
using namespace std::chrono;
using namespace spdlog;
using namespace spdlog::sinks;
using namespace utils;
int main_(int argc, char* argv[])
void bench(int howmany, std::shared_ptr<spdlog::logger> log)
{
try {
using namespace spdlog::sinks;
spdlog::create<daily_file_sink_st>("mylog", "dailylog", "txt");
const unsigned int howmany = argc <= 1 ? 1500000 : atoi(argv[1]);
spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %t");
auto console = spdlog::create<sinks::stdout_sink_st>("reporter");
console->info("Starting bench with", howmany, "iterations..");
console->log() << "Streams are also supprted: " << std::hex << 255;
spdlog::stop();
//return 0;
auto bench = spdlog::create<sinks::rotating_file_sink_st>("bench", "myrotating", "txt", 1024 * 1024 * 1, 10, 0);
//auto bench = spdlog::create<sinks::simple_file_sink_st>("bench", "simplelog.txt", 1);
//auto bench = spdlog::create<sinks::null_sink_st>("bench");
cout << log->name() << ", " << format(howmany) << " iterations.." << endl;
auto start = system_clock::now();
for (unsigned int i = 0; i < howmany; ++i)
for (auto i = 0; i < howmany; ++i)
{
bench->info("Hello logger: msg number") << i;
log->info("Hello logger: msg number ") << i;
}
auto delta = system_clock::now() - start;
auto delta_d = duration_cast<duration<double>> (delta).count();
auto delta_d = duration_cast<duration<double>> (delta).count();
cout << "Delta:" << format(delta_d) << " seconds" << endl;
cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl << endl;
}
cout << "Total:" << format(howmany) << endl;
cout << "Delta:" << format(delta_d) << endl;
cout << "Rate:" << format(howmany / delta_d) << "/sec\n";
void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count)
{
cout << log->name() << ", " << format(howmany) << " iterations.." << endl;
std::atomic<int > msg_counter{0};
vector<thread> threads;
auto start = system_clock::now();
for (int t = 0; t < thread_count; ++t)
{
threads.push_back(std::thread([&]() {
while(msg_counter++ < howmany)
log->info("Hello logger: msg number ") << msg_counter;
}));
}
for(auto &t:threads)
{
t.join();
};
auto delta = system_clock::now() - start;
auto delta_d = duration_cast<duration<double>> (delta).count();
cout << "Delta:" << format(delta_d) << " seconds" << endl;
cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl << endl;
}
int main(int argc, char* argv[])
{
try {
int howmany = argc <= 1 ? 100000 : atoi(argv[1]);
int threads = argc <= 2 ? 4 : atoi(argv[2]);
int flush_interval = 100;
cout << "*******************************************************************************\n";
cout << "Single threaded benchmarks. flush_interval = " << flush_interval << endl;
cout << "*******************************************************************************\n";
auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st", 1024 * 1024 * 5, 5, flush_interval);
bench(howmany, rotating_st);
auto daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_st", flush_interval);
bench(howmany, daily_st);
bench(howmany, spdlog::create<null_sink_st>("null_st"));
cout << "*******************************************************************************\n";
cout << "Multi threaded benchmarks (" << threads << " threads), flush_interval = " << flush_interval << endl;
cout << "*******************************************************************************\n";
auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt", 1024 * 1024 * 5, 5, flush_interval);
bench_mt(howmany, rotating_mt, threads);
auto daily_mt = spdlog::daily_logger_mt("daily_mt", "logs/daily_mt", flush_interval);
bench_mt(howmany, daily_mt, threads);
bench_mt(howmany, spdlog::create<null_sink_mt>("null_mt"), threads);
}
catch (std::exception &ex)
{
std::cerr << "Exception: " << ex.what() << std::endl;
std::cerr << "Error: " << ex.what() << std::endl;
perror("Last error");
}
return 0;

5
example/example.cpp
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@@ -10,11 +10,12 @@ int main(int, char* [])
{
namespace spd = spdlog;
try
{
std::string filename = "spdlog_example";
auto console = spd::stderr_logger_mt("console");
console->info("Welcome to spdlog!");
console->info("Welcome to spdlog!") ;
console->info() << "Creating file " << filename << "..";
auto file_logger = spd::rotating_logger_mt("file_logger", filename, 1024 * 1024 * 5, 3);
@@ -26,7 +27,6 @@ int main(int, char* [])
file_logger->info() << i << '*' << i << '=' << square << " (" << "0x" << std::hex << square << ")";
}
// Change log level to all loggers to warning and above
spd::set_level(spd::level::WARN);
console->info("This should not be displayed");
@@ -40,6 +40,5 @@ int main(int, char* [])
{
std::cout << "Log failed: " << ex.what() << std::endl;
}
}

4
example/logs/.gitignore vendored Normal file
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@@ -0,0 +1,4 @@
# Ignore everything in this directory
*
# Except this file
!.gitignore

2
example/makefile
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@@ -23,7 +23,7 @@ bench-debug: bench.cpp
clean:
rm -f *.o *.txt example example-debug bench bench-debug
rm -f *.o logs/*.txt example example-debug bench bench-debug
rebuild: clean all

24
example/makefile.bench
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@@ -1,24 +0,0 @@
CXX = g++
CXXFLAGS = -march=native -Wall -Wextra -Wshadow -pedantic -std=c++11 -pthread -I../include
CXX_RELEASE_FLAGS = -O3 -flto
CXX_DEBUG_FLAGS= -g
OUTBIN = bench
all: bench.cpp
$(CXX) bench.cpp -o $(OUTBIN) $(CXXFLAGS) $(CXX_RELEASE_FLAGS)
debug: bench.cpp
$(CXX) bench.cpp -o $(OUTBIN)-debug $(CXXFLAGS) $(CXX_DEBUG_FLAGS)
clean:
rm -f *.txt $(OUTBIN) $(OUTBIN)-debug
rebuild: clean all
rebuild-debug: clean debug

2
example/makefile.clang
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@@ -23,7 +23,7 @@ bench-debug: bench.cpp
clean:
rm -f *.o *.txt example-clang example-clang-debug bench-clang bench-clang-debug
rm -f *.o logs/*.txt example-clang example-clang-debug bench-clang bench-clang-debug
rebuild: clean all

34
example/utils.h
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@@ -30,38 +30,4 @@ inline std::string format(const double & value)
return ss.str();
}
inline void bench(const std::string& fn_name, const std::chrono::milliseconds &duration, const std::function<void() >& fn)
{
using namespace std::chrono;
typedef steady_clock the_clock;
size_t counter = 0;
seconds print_interval(1);
auto start_time = the_clock::now();
auto lastPrintTime = start_time;
while (true)
{
fn();
++counter;
auto now = the_clock::now();
if (now - start_time >= duration)
break;
if (now - lastPrintTime >= print_interval)
{
std::cout << fn_name << ": " << format(counter) << " per sec" << std::endl;
counter = 0;
lastPrintTime = the_clock::now();
}
}
}
inline void bench(const std::string& fn_name, const std::function<void() >& fn)
{
using namespace std::chrono;
auto start = steady_clock::now();
fn();
auto delta = steady_clock::now() - start;
std::cout << fn_name << ": " << duration_cast<milliseconds>(delta).count() << " ms" << std::endl;
}
}