diff --git a/bench-comparison/boost-bench-mt.cpp b/bench-comparison/boost-bench-mt.cpp
index 16515ae6..501fcdde 100644
--- a/bench-comparison/boost-bench-mt.cpp
+++ b/bench-comparison/boost-bench-mt.cpp
@@ -36,10 +36,14 @@ void init()
 
 using namespace std;
 
-int main(int, char*[])
+int main(int argc, char* argv[])
 {
 	int thread_count = 10;
+	if(argc > 1)
+		thread_count = atoi(argv[1]);
+		
 	int howmany = 1000000;
+
 	
     init();
     logging::add_common_attributes();
diff --git a/bench-comparison/boost-bench.cpp b/bench-comparison/boost-bench.cpp
index 2734b63c..1938c67d 100644
--- a/bench-comparison/boost-bench.cpp
+++ b/bench-comparison/boost-bench.cpp
@@ -30,14 +30,15 @@ void init()
 }
 
 
-int main(int, char*[])
+int main(int argc, char* argv[])
 {
+	int howmany = 1000000;
     init();
     logging::add_common_attributes();
 
     using namespace logging::trivial;
     src::severity_logger_mt< severity_level > lg;
-	for(int i  = 0 ; i < 1000000; ++i)
+	for(int i  = 0 ; i < howmany; ++i)
 	    BOOST_LOG_SEV(lg, info) << "Boost logger message #" << i;
 
     return 0;
diff --git a/bench-comparison/spdlog-bench-mt.cpp b/bench-comparison/spdlog-bench-mt.cpp
index e5da8776..fafc0c5b 100644
--- a/bench-comparison/spdlog-bench-mt.cpp
+++ b/bench-comparison/spdlog-bench-mt.cpp
@@ -4,12 +4,16 @@
 
 #include "spdlog/spdlog.h"
 
-
+#include <iostream>
 using namespace std;
 	
-int main(int, char*[])
+int main(int argc, char* argv[])
 {
+
 	int thread_count = 10;
+	if(argc > 1)
+		thread_count = atoi(argv[1]);
+		
 	int howmany = 1000000;
 
 	namespace spd = spdlog;
diff --git a/bench-comparison/spdlog-bench.cpp b/bench-comparison/spdlog-bench.cpp
index e7be6fd2..8a8321a1 100644
--- a/bench-comparison/spdlog-bench.cpp
+++ b/bench-comparison/spdlog-bench.cpp
@@ -2,14 +2,15 @@
 #include "spdlog/spdlog.h"
 
 
-int main(int, char*[])
+int main(int argc, char* argv[])
 {
+	int howmany = 1000000;
 	namespace spd = spdlog;
 	///Create a file rotating logger with 5mb size max and 3 rotated files
     auto logger = spd::rotating_logger_mt("file_logger", "logs/spd-sample", 10 *1024 * 1024 , 5);
 
 	logger->set_pattern("[%Y-%b-%d %T.%e]: %v");
-	for(int i  = 0 ; i < 1000000; ++i)
+	for(int i  = 0 ; i < howmany; ++i)
 	    logger->info() << "spdlogger message #" << i;
 
     return 0;