Rebuilding Fedora

[Kyrre Ness Sjobak]

søn, 24.10.2004 kl. 21.34 skrev Andrew Farris:
> On Sun, 2004-10-24 at 18:40 +0200, Roland Kaeser wrote:
> > Hello
> > 
> > There is a mistake. I would like to completly rebuild the whole 
> > distribution rmps from the srpms iso's not just the kernel.
> > 
> > Kind regards
> > 
> > Roland Kaeser
> 
> Are you considering the amount of cpu time required to build this entire
> distro?  It is not something I think you want to do on a workstation,
> I'd suggest rebuilding only those individual packages for apps you run
> constantly.  Build firefox, the KDE packages, xorg-x11, and the kernel,
> perhaps a very few others.
> 
> If absolute optimization is your goal, go Gentoo, and experience that
> extra 5% Alan is talking about in his post.  I've found rebuilding i686
> for the constant use packages makes them 'feel' faster, but I am not
> positive it is more than illusion.  Rebuilding FC2 will take longer than
> a complete build of Gentoo.
> 
> Why will it help very little?  FC already used the best possible choice
> of instruction order for pentium-pro and up machines, which means unless
> your app is going to be using SSE instructions there isn't that much
> more you can do.
> 

Yes, but (being anything than a compiler specialist...) can't you
optimize specialy for a spesific CPU, not just an arch? And how can this
affect loading times?

> -- 
> Andrew Farris (lordmorgul) <andrew at andrewfarris.com>
> - CPE student, Cal Poly SLO, pgp keyid 4430F405 pgp.mit.edu
> "..the triumph of evil is for good men to do nothing." (Edmond Burke)