diff --git a/lab4/src/threads/threading b/lab4/src/threads/threading
deleted file mode 100755
index 5ae8700..0000000
Binary files a/lab4/src/threads/threading and /dev/null differ
diff --git a/lab4/src/threads/threads.cpp b/lab4/src/threads/threads.cpp
index 6e02857..fd29bfd 100644
--- a/lab4/src/threads/threads.cpp
+++ b/lab4/src/threads/threads.cpp
@@ -41,7 +41,7 @@ void* S1_smoothen(void* thread_number)
 	// struct image_t* smoother = new struct image_t;
     for(pt = 1; pt <= 1000; ++pt) {
         while(__sync_lock_test_and_set(&lock1,1));
-        printf("thread number : %d\tindex : %d\n", my_number, pt);
+        // printf("thread number : %d\tindex : %d\n", my_number, pt);
         for(int i = 1; i < height-1; i++)
         {
             for(int j = 1; j < width-1; j++)
@@ -106,7 +106,7 @@ void* S2_find_details(void *thread_number)
         while(__sync_lock_test_and_set(&lock3,1));
         // while(lock_stream1.test_and_set());
         // while(lock_stream2.test_and_set());
-        printf("thread number : %d\tindex : %d\n", my_number, pt1);
+        // printf("thread number : %d\tindex : %d\n", my_number, pt1);
         for(int i = 1; i < height-1; i++)
         {
             for(int j = 1; j < width-1; j++)
@@ -142,7 +142,7 @@ void* S3_sharpen(void* thread_number)
         while (__sync_lock_test_and_set(&lock4, 1));
         while (__sync_lock_test_and_set(&lock3, 1));
 
-        printf("thread number : %d\tindex : %d\n", my_number, pt2);
+        // printf("thread number : %d\tindex : %d\n", my_number, pt2);
         for(int i = 1; i < height-1; i++)
         {
             for(int j = 1; j < width-1; j++)
@@ -215,6 +215,7 @@ int main(int argc, char *argv[]) {
 			sharp->image_pixels[i][j] = new uint8_t[3];
 	}
 
+    auto start = chrono::high_resolution_clock::now();
 
 	/* Create independent threads each of which will execute function */
 	iret1 = pthread_create(&thread1, NULL, S1_smoothen, &thread_number1);
@@ -240,8 +241,12 @@ int main(int argc, char *argv[]) {
 	pthread_join(thread2, NULL);
 	pthread_join(thread3, NULL);
 
+    auto end = std::chrono::high_resolution_clock::now();
+
+	chrono::duration<double> duration = end - start;
+	cout << "Total time: " << duration.count() << endl;
+
 	// printf("\nsum = %d\n", sum);
-    printf("ttis");
 	exit(EXIT_SUCCESS);
-    return 1;
+
 }