Re: AMD64 64bit vs 32bit speed increase
On Fri, 13 Feb 2004, Chris Cheney wrote:
> Default optimizations I just rebuilt the debian source without the extra
> plugins that depended on KDE/NAS/XFree86. I am not sure what the source
> itself does or if it has been optimized for amd64 yet. The Debian
> packaging itself certainly doesn't do anything special.
well, vorbis-tools does detect amd64 in the configure scripts; i couldn't
find that it does anything special. OTOH, ogg vorbis encoding is heavily
floating-point dependent, and x86 is well known to have an awful
floating-point architecture. I would be interested to see performance
1) integer codes -- say, one of the all-integer MP3 decoders
2) pointer codes -- say, gcc. Any non-media benchmark will do, really.
But 50% performance improvement on oggenc is really quite impressive.
Media processing is not exactly the first thing that pops into mind as an
BATF AP struggle World Trade Center Mk 48 Chechnya FBI Columbia Sugar Grove
anthrax NORAD mustard MI6 blowfish Rijndael Hawk Peking SSBN 731 Kojarena
( http://cscott.net/ )