[FFmpeg-devel] [PATCH] up VOFW in swscale?

Michael Niedermayer michaelni
Thu Apr 2 01:31:50 CEST 2009

On Wed, Apr 01, 2009 at 11:59:46PM +0200, Andreas ?man wrote:
> Michael Niedermayer wrote:
>> On Wed, Apr 01, 2009 at 09:28:46PM +0200, Andreas ?man wrote:
>>> Hi
>>> I use the scaler to rescale photos (>2048 pixels wide) in my
>>> application.
>>> With the old scaler this was not a problem but nowadays it
>>> no longer works since the maximum width is limited to 2048 pix.
>>> Therefore I propose we up this to 4096.
>> can post some benchmarks with a CPU with small cache and a low resolution
>> video?
> Interesting exercise. Seems that increasing it to 4096 causes more
> cache aliasing. However, increasing it to 5120 makes it faster than
> the original code.

looks  good so far but i still would like to see benchmarks from one or 2
other cpus, at least one (non P4) intel

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
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