plr1995

Hey everyone, I downloaded carnevil today and the game is fairly laggy. It runs fine during the intro but once I press start and the shooting gallery/joker face appears it becomes super laggy and the game runs extremely slow. I was hoping you guys could give me some advice since this is the first rom I've ever downloaded. I am running the game on SDL mame for mac. I attached a picture of my mac's stats, to see if its an issue with my computer not being powerful enough. Also, someone on youtube mentioned how to potentially fix this issue but I have no idea how to actually do it on mame so I included a picture of his advice. Thanks everyone for the help !