FLStudio. I have never even started the 32 bit. If I did, it was by pure accident. I am running my sound device at 96000khz when FLStudio is working everything sounds great. No lag, and pure quality sounds ...
fl 12.5.something, I've had issues in sessions dealing with omnisphere 2, starts to clip out til theses no sound (sometimes). If I save and reopen and session with omnisphere it seems as fl can't handle 1 sec of the processing ...