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Re: Sam460 and 720p video playback

Subject: Re: Sam460 and 720p video playback
by LiveForIt on 2014/11/28 4:24:37

@Severin


X1000, Same video.

None AltiVec.

BENCHMARKs: VC: 189.858s VO: 0.049s A: 0.000s Sys: 1.443s = 191.351s
BENCHMARK%: VC: 99.2202% VO: 0.0258% A: 0.0000% Sys: 0.7539% = 100.0000%

AltiVec

BENCHMARKs: VC: 114.804s VO: 0.051s A: 0.000s Sys: 1.482s = 116.337s
BENCHMARK%: VC: 98.6822% VO: 0.0442% A: 0.0000% Sys: 1.2736% = 100.0000%


189.858 sec - 114.804 sec = 75.052 sec less

75.052/189.858 * 100 = 39.58% less time to decode the video.

Mplayer AltiVec playback is 1.65 x faster then none AltiVec.

1.800 Ghz * 1.65 = 2.970 Ghz

A none Altivec computer will need to be 2.970 Ghz to have same computer power to decode a 1080p video with out AltiVec, as The X1000 with AltiVec.

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