> Whereabouts did you hear that only 3 cores are used? I'm pretty sure that that's not > the case.
That's MAMEdev's official line. Using more than 3 cores/threads for the polygon renderer actually starts slowing down again. Aaron had some vague ideas why, but we really need someone with a license for a parallelism debugger to figure out what's going on. (I think the really high-end pro versions of VTune can do that).
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