[FFmpeg-devel] prefetch_motion in FFMPEG

Michael Niedermayer michaelni at gmx.at
Tue Feb 28 16:41:45 CET 2012


On Tue, Feb 28, 2012 at 06:07:33PM +0530, Satish Hiremath wrote:
> Hi,
> In  reference to the usage of the prefetch_motion in h.264.c . Do any one
> have any idea how this function works.
> I guess it must be done for improving performance with respect to cache.
> But even i comment out this function and run i get the same performance.

how did you benchmark exactly with what input file and what where the
exact results ?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
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is excellent in them. -- Plutarch
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