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Old 08-29-11, 09:12 AM   #40
camelreef
Registered User
 
Join Date: Nov 2006
Posts: 27
Default Re: GF100 VDPAU performance is really not good

hmmm, in fact this one is on the low side for my use (1080i50), i was expecting better results from such a card!

MIXER TEMPORAL_SPATIAL (1920x1080): 39 fields/s

Is this normal?




just for fun, here are the improvements introduced by the DSDT fix:

Code:
Function(s)	Before	After	Unit	Improvement
SURFACE GET BITS	673.407	1099.51	M/s	63%
SURFACE PUT BITS	748.643	1139.4	M/s	52%
				
MPEG DECODING (1920x1080)	78	104	frames/s	33%
MPEG DECODING (1280x720)	175	232	frames/s	33%
H264 DECODING (1920x1080)	44	63	frames/s	43%
H264 DECODING (1280x720)	88	131	frames/s	49%
VC1 DECODING (1440x1080)	62	82	frames/s	32%
MPEG4 DECODING (1920x1080)	53	71	frames/s	34%
				
MIXER WEAVE (1920x1080)	24	123	frames/s	413%
MIXER BOB (1920x1080)	40	171	fields/s	328%
MIXER TEMPORAL (1920x1080)	10	76	fields/s	660%
MIXER TEMPORAL + IVTC (1920x1080)	11	64	fields/s	482%
MIXER TEMPORAL + SKIP_CHROMA (1920x1080)	19	93	fields/s	389%
MIXER TEMPORAL_SPATIAL (1920x1080)	7	39	fields/s	457%
MIXER TEMPORAL_SPATIAL + IVTC (1920x1080)	5	33	fields/s	560%
MIXER TEMPORAL_SPATIAL + SKIP_CHROMA (1920x1080)	8	43	fields/s	438%
MIXER TEMPORAL_SPATIAL (720x576 video to 1920x1080 display)	19	107	fields/s	463%
MIXER TEMPORAL_SPATIAL + HQSCALING (720x576 video to 1920x1080 display)	12	71	fields/s	492%
				
MULTITHREADED MPEG DECODING (1920x1080)	22	95	frames/s	332%
MULTITHREADED MIXER TEMPORAL (1920x1080)	13	72	fields/s	454%
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