I think it's also down to the time taken to convert those textures and effects to modern compatible shader routines, then display them.
I'm a bit vague on the actual technical details, I read this along time ago on the Dolphin forums.
All I know is once they've been cached the lagging usually goes away, so perform a special move in a fighting game, that will stutter like crazy the first time you execute it, but any subsequent use of that special move will be lag free. So in order to have a 100% lag free experience, you'd need to have cached every single possible combination that could be called from the Gamecubes GPU, which obviously isn't practicable.
Edited by Ziggy100 (10/17/14 03:06 PM)
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