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Faster, Soul Master

I like to call it "software SLI":


>set OSDPROCESSORS=1
>mamepm blitz -nothrottle -video none -nosound -str 90
Average speed: 47.37% (89 seconds)

>v64mame blitz -nothrottle -video none -nosound -str 90
Average speed: 59.33% (89 seconds)

>set OSDPROCESSORS=2
>mamepm blitz -nothrottle -video none -nosound -str 90
Average speed: 63.88% (89 seconds)

>v64mame blitz -nothrottle -video none -nosound -str 90
Average speed: 79.31% (89 seconds)

In terms of actual performance on my 2.4GHz Core 2 laptop (64-bit version for obvious reasons), Wayne Gretzky's 3D Hockey now runs 100% except for the occasional zooms. The Carnevil clown is close to 100% as well. San Francisco Rush gets about 40-50% in-game, and Gauntlet Legends runs at about 50% speed. Rather playable, in fact.