> It is impossible to run BSNES and Demul without stuttering. And no, I'm not talking > about stuttering from running below 100% speed. They still stutter even if you get > 100% speed.
If there is "stuttering" that means yours PC in not enough power, in any emulator, period.
CPU/GPU load is not constant value, it can spikes 2x or so from time to time, if yours PC is not enough powerful - there will be "stuttering" during such spikes.
about bSNES/Higan - I not have any problems you mentioned, at lest on Compatibility and Performance emulation profiles. probably you have ancient piece of shit instead of PC
about Demul - GPU emulation here works using on-the-fly shader compilation/caching, so at very first start of some game there will be stuttering or even freezing, until needed shaders will be compiled or loaded from cache, but after that games works normally with constant speed.