added g3log crush example

bench/latency/Makefile

@@ -1,9 +1,9 @@
 CXX	?= g++
 CXXFLAGS	= -march=native -Wall -std=c++11 -pthread 
-CXX_RELEASE_FLAGS = -Ofast -DNDEBUG
+CXX_RELEASE_FLAGS = -O2 -DNDEBUG
 
 
-binaries=spdlog-latency g3log-latency
+binaries=spdlog-latency g3log-latency g3log-crush
 
 all: $(binaries)
 
@@ -15,6 +15,10 @@ spdlog-latency: spdlog-latency.cpp
 g3log-latency: g3log-latency.cpp
 	$(CXX) g3log-latency.cpp -o g3log-latency $(CXXFLAGS) $(CXX_RELEASE_FLAGS) -I../../../g3log/src -L. -lg3logger 
 		
+		
+g3log-crush: g3log-crush.cpp
+	$(CXX) g3log-crush.cpp -o g3log-crush $(CXXFLAGS) $(CXX_RELEASE_FLAGS) -I../../../g3log/src -L. -lg3logger 
+		
 	
 .PHONY: clean
 

bench/latency/g3log-crush.cpp

@@ -0,0 +1,37 @@
+#include <iostream>
+
+#include <g3log/g3log.hpp>
+#include <g3log/logworker.hpp>
+
+void CrusherLoop()
+{
+	size_t counter = 0;
+    while (true)
+    {
+        LOGF(INFO, "Some text to crush you machine. thread:");        
+        if(++counter % 1000000 == 0)
+        {
+            std::cout << "Wrote " << counter << " entries" << std::endl;
+        }
+    }
+}
+
+
+int main(int argc, char** argv)
+{
+    std::cout << "WARNING: This test will exaust all your machine memory and will crush it!" << std::endl;
+    std::cout << "Are you sure you want to continue ? " << std::endl;
+    char c;
+    std::cin >> c;
+    if (toupper( c ) != 'Y')
+		return 0;
+		
+	auto worker = g3::LogWorker::createLogWorker();
+    auto handle= worker->addDefaultLogger(argv[0], "g3log.txt");
+    g3::initializeLogging(worker.get());		
+	CrusherLoop();
+	
+    return 0;
+}
+
+

bench/latency/g3log-latency.cpp

@@ -1,17 +1,3 @@
-//// to compile:   c++ bench.cpp -o bench -Wall -Wshadow -Wextra -pedantic -std=c++11 -pthread -I../include -O3 -fPIC -Ofast -m64 -march=native
-
-// Alternative:   c++ bench.cpp -o bench -Wall -Wshadow -Wextra -pedantic -std=c++11 -pthread -I../include -O3  -march=native
-
-
-// the test code itself is Public domain @ref: Unlicense.org
-// made by KjellKod, 2015, first published for testing of g3log at github.com/kjellkod/g3log
-// Feel free to share, modify etc with no obligations but also with no guarantees from my part either
-// enjoy - Kjell Hedstrom (aka KjellKod)
-//
-//
-// spdlog follows however another license. See the bottow of this file
-//
-
 #include <thread>
 #include <vector>
 #include <atomic>
@@ -52,7 +38,7 @@ void MeasurePeakDuringLogWrites(const size_t id, std::vector<uint64_t>& result)
         }
 
         auto start_time = std::chrono::high_resolution_clock::now();
-		LOGF(INFO, "Some text to log for thread: %ld", id);        
+        LOGF(INFO, "Some text to log for thread: %ld", id);
         auto stop_time = std::chrono::high_resolution_clock::now();
         uint64_t time_us = std::chrono::duration_cast<std::chrono::microseconds>(stop_time - start_time).count();
         result.push_back(time_us);
@@ -73,13 +59,13 @@ void PrintResults(const std::map<size_t, std::vector<uint64_t>>& threads_result,
 
     // calc worst latenct
     auto worst = *std::max_element(all_measurements.begin(), all_measurements.end());
-    
+
     // calc avg
     auto total = accumulate(begin(all_measurements), end(all_measurements), 0, std::plus<uint64_t>());
     auto avg = double(total)/all_measurements.size();
 
     std::cout << "[g3log]  worst: " <<  std::setw(10) << std::right << worst << "\tAvg: "  << avg << "\tTotal: "  <<  utils::format(total_us) << " us" << std::endl;
-  
+
 }
 }// anonymous
 
@@ -120,10 +106,10 @@ int main(int argc, char** argv)
     const std::string  g_prefix_log_name = "g3log-performance-";
     const std::string  g_measurement_dump = g_path + g_prefix_log_name + "_RESULT.txt";
 
-	auto worker = g3::LogWorker::createLogWorker();
+    auto worker = g3::LogWorker::createLogWorker();
     auto handle= worker->addDefaultLogger(argv[0], "g3log.txt");
     g3::initializeLogging(worker.get());
-    
+
     auto start_time_application_total = std::chrono::high_resolution_clock::now();
     for (uint64_t idx = 0; idx < number_of_threads; ++idx)
     {

bench/latency/spdlog-latency.cpp

@@ -1,16 +1,3 @@
-//// to compile:   c++ bench.cpp -o bench -Wall -Wshadow -Wextra -pedantic -std=c++11 -pthread -I../include -O3 -fPIC -Ofast -m64 -march=native
-
-// Alternative:   c++ bench.cpp -o bench -Wall -Wshadow -Wextra -pedantic -std=c++11 -pthread -I../include -O3  -march=native
-
-
-// the test code itself is Public domain @ref: Unlicense.org
-// made by KjellKod, 2015, first published for testing of g3log at github.com/kjellkod/g3log
-// Feel free to share, modify etc with no obligations but also with no guarantees from my part either
-// enjoy - Kjell Hedstrom (aka KjellKod)
-//
-//
-// spdlog follows however another license. See the bottow of this file
-//
 
 #include <thread>
 #include <vector>
@@ -40,7 +27,7 @@ std::atomic<size_t> g_counter = {0};
 
 void MeasurePeakDuringLogWrites(const size_t id, std::vector<uint64_t>& result)
 {
-	auto logger = spd::get("file_logger");
+    auto logger = spd::get("file_logger");
     while (true)
     {
         const size_t value_now = ++g_counter;
@@ -70,13 +57,13 @@ void PrintResults(const std::map<size_t, std::vector<uint64_t>>& threads_result,
 
     // calc worst latenct
     auto worst = *std::max_element(all_measurements.begin(), all_measurements.end());
-    
+
     // calc avg
     auto total = accumulate(begin(all_measurements), end(all_measurements), 0, std::plus<uint64_t>());
     auto avg = double(total)/all_measurements.size();
-	
-    std::cout << "[spdlog] worst: " <<  std::setw(10) << std::right << worst << "\tAvg: "  << avg << "\tTotal: "  <<  utils::format(total_us) << " us" << std::endl;	
-  
+
+    std::cout << "[spdlog] worst: " <<  std::setw(10) << std::right << worst << "\tAvg: "  << avg << "\tTotal: "  <<  utils::format(total_us) << " us" << std::endl;
+
 }
 }// anonymous
 
@@ -114,13 +101,13 @@ int main(int argc, char** argv)
     }
 
     int queue_size = 1048576; // 2 ^ 20
-    spdlog::set_async_mode(queue_size); 	
-    auto logger = spdlog::create<spd::sinks::simple_file_sink_mt>("file_logger", "spdlog.log", true);	
-	
-	//force flush on every call to compare with g3log
-	auto s = (spd::sinks::simple_file_sink_mt*)logger->sinks()[0].get();
-	s->set_force_flush(true);
-	
+    spdlog::set_async_mode(queue_size);
+    auto logger = spdlog::create<spd::sinks::simple_file_sink_mt>("file_logger", "spdlog.log", true);
+
+    //force flush on every call to compare with g3log
+    auto s = (spd::sinks::simple_file_sink_mt*)logger->sinks()[0].get();
+    s->set_force_flush(true);
+
     auto start_time_application_total = std::chrono::high_resolution_clock::now();
     for (uint64_t idx = 0; idx < number_of_threads; ++idx)
     {