On Thu, 26 Mar 2009 04:31:26 -0500 DRC <dcomman...@users.sourceforge.net> wrote:
> > I'm currently looking at how to add the 32-bit pixel format extensions > to libjpeg/SIMD as well as make it run on 64-bit. The former should > allow me to eliminate some buffer copies in the Tight encoder/decoder, > which is step 1 of probably about 5 or 6 steps that will be required to > optimize this. > Most distributions will probably want to link with the system libjpeg, so it would be a shame if this is the source of most problems. Did you get my quick performance hack I did yesterday? The pixel conversion was eating a lot of CPU here and my change improved it by a factor 20 or so. Rgds -- Pierre Ossman OpenSource-based Thin Client Technology System Developer Telephone: +46-13-21 46 00 Cendio AB Web: http://www.cendio.com
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