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John IV
IV/Play, MAME, MAMEUI
Reged: 09/22/03
Posts: 1969
Loc: Washington, USA
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[Bench Run] Couple perf. regressions in trunk from .202
#378737 - 10/01/18 01:25 AM
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Ran a bench run on this morning's MAME v0.202 (mame0202-95-ge4d039bc07)

Have a couple of big double digit performance regressions, wanted to check if expected w/ code changes.

Pong dropped ~24%
SFIII dropped ~20%

mame64 -bench 90

Intel i7-6700K (OC) 4.5Ghz / 32GB DDR4 3200 / AMD Radeon R9 390 8GB / Win 10 Pro x64

http://www.mameui.info/Bench.htm


john iv
http://www.mameui.info/


Haze
Reged: 09/23/03
Posts: 5245
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Re: [Bench Run] Couple perf. regressions in trunk from .202 new [Re: John IV]
#378738 - 10/01/18 01:44 AM
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> Ran a bench run on this morning's MAME v0.202 (mame0202-95-ge4d039bc07)
>
> Have a couple of big double digit performance regressions, wanted to check if
> expected w/ code changes.
>
> Pong dropped ~24%
> SFIII dropped ~20%
>

yes, CPS3 is now drawing per-line instead of per-tile for one of the layers which makes it a bit slower as the per-line code isn't as tightly optimized (might remove the optimizations entirely as it's well above 100% on all systems anyway)


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