@@ -26,7 +26,7 @@ static Apu apu[POLYPHONY];

 static Mpu mpu;

 static Device *devscreen, *devmouse, *devctrl, *devmidi, *devaudio0;

-Uint8 zoom = 0, debug = 0, reqdraw = 0;

+Uint8 zoom = 0, debug = 0, reqdraw = 0, bench = 0;

 int

 clamp(int val, int min, int max)

@@ -323,7 +323,9 @@ start(Uxn *u)

 	while(1) {

 		int i;

 		SDL_Event event;

-		double elapsed, start = SDL_GetPerformanceCounter();

+		double elapsed, start;

+		if(!bench)

+			start = SDL_GetPerformanceCounter();

 		while(SDL_PollEvent(&event) != 0) {

 			switch(event.type) {

 			case SDL_QUIT:

@@ -360,8 +362,10 @@ start(Uxn *u)

 		evaluxn(u, mempeek16(devscreen->dat, 0));

 		if(reqdraw)

 			redraw(ppu.output, u);

-		elapsed = (SDL_GetPerformanceCounter() - start) / (double)SDL_GetPerformanceFrequency() * 1000.0f;

-		SDL_Delay(clamp(16.666f - elapsed, 0, 1000));

+		if(!bench){

+			elapsed = (SDL_GetPerformanceCounter() - start) / (double)SDL_GetPerformanceFrequency() * 1000.0f;

+			SDL_Delay(clamp(16.666f - elapsed, 0, 1000));

+		}

 	}

 	return 1;

 }