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Re: Are we losing users to Gentoo?



On Wed, 31 Mar 2004, Gary L Greene Jr wrote:

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> On Wednesday 31 March 2004 03:26 pm, William Ballard wrote:
> > On Wed, Mar 31, 2004 at 03:13:34PM -0500, Gary L Greene Jr wrote:
> > > I've seen some benchmarking on this from a friend of mine and for most
> > > apps you see a very slight gain, but nothing that makes it a "must have"
> > > option, especially when you weigh the downside (needing the time to
> > > rebuild the app locally). The overall gain I noted from his tests
> > > suggested about +0.75% gain in performance. For me, I'd rather be using
> > > my machine for something more productive.
> >
> > The rise of Gentoo and the rise of AMD Athlon fanboys probably
> > coincides.  Naively (having seen no benchmarks) one would assume Athlon
> > would benefit the most from natively Athlon-compiled code.
> >
> > At least, this would drive the *desire* to compile everything myself.
>
> The only packages that really make any difference for rebuilding specifically
> for an Athlon processor are the kernel, glibc, a few of the multimedia apps
> (xine, mplayer, et el), and any game that is specifically coded to use the
> SSE2 or 3D-Now technologies. All others don't get you that much of a gain for
> your buck.

Wrong.  Any system that spends that much time in those places is designed
wrong.  Most time is spent in user-space, or waiting for io, and optimizing
for io by recompiling is a waste of resources.



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