-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Wednesday 19 March 2003 19:00, Austin wrote: > On 2003.03.19 11:23 Per �yvind Karlsen wrote: > > why are everyone so obsessed about "optimizing" their packages? in most > > cases > > > > it only gives marginal perfomance increase and often introduces weird > > bugs and performance penalties.. > > Exactly why thing are great the way they are now. i586 -O3 is a perfecly > happy medium. actually, the flags is currently: [EMAIL PROTECTED] hawkeye]$ rpm --eval %optflags - -O2 -fomit-frame-pointer -pipe -march=i586 -mcpu=pentiumpro
> > The point is, there are a few programs which exhibit a HUGE speed increase > when built for i686/MMX/SSE/whatever. Try transcoding a DVD with our > transcode/mjpegtools package. Even on my dual athlon 1900 it takes like 12 > hours. > > ATLAS and BLAS and LAPACK are another example. I do a lot of computational > math, and our packages are about half as fast as ones built locally. > > I know there are easy solutions to this. But I thought an easier and > cooler one would be some one-command way to install the souped-up package. > Isn't this what Mandrake is supposed to be all about? > > So either a script, or an extension of urpmi that will fetch the source, > rebuild it to your machine's capabilities, and install the new rpm. > > Not only is this simple can cool, but it would be a great new "feature" to > put in the news. > > Austin - -- Regards, Per �yvind Karlsen Sintrax Solutions http://www.sintrax.net - +47 41681061 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE+eL72v8F7V9JOSuURAkq6AKCwfOgSy30XJRbMF4V2yVYTQauvzwCeI1ae mHmrE+QAxUZ+oQ2shOe92wg= =rN5a -----END PGP SIGNATURE-----
