I tested this and cannot reproduce any performance regression under nvidia with glXSwapInterval(0). I can only confirm a slowdown with glXSwapInterval(1). However enough people seem to agree that even glXSwapInterval(0) is slow for them.
I tested this and cannot reproduce any performance regression under nvidia with glXSwapInterval(0). I can only confirm a slowdown with glXSwapInterval(1). However enough people seem to agree that even glXSwapInterval(0) is slow for them.