x86-64 box

[Walter Dnes]

On Fri, Jun 10, 2005 at 06:58:38AM -0400, Scott Allen wrote
> On Fri Jun 10,2005 01:58:26 AM Walter Dnes wrote:
> >Unfortunately, some people cannot seem to comprehend simple
> >instructions... like *DO NOT* use "-O3" (or higher?!?!)
> [...]
> 
> Actually, I've got a not-too-critical AMD based system running 
> Gentoo, which has been set for -O3 since its stage 1 inception (the 
> rest of the settings are pretty sane, though). I haven't noticed any 
> problems with it.

  You may be lucky, but as I said, even the Gentoo bug board gives a
cool reception to anything higher than the recommended "-O2".  I am
*NOT* a programmer, but I've been doing custom builds for a while.  It
goes back to the days of Mozilla 0.95 (Firefox didn't even exist back
then).  I liked Mozilla 0.95, but it was excruciatingly slow on my 1999
Dell (450mhz PIII with 128 megs of ram) to the point of almost unusable.

  I was so desparate for improvement that I stuck my feet into the
custom-build water (I didn't want to buy a brand new machine just for
Mozilla).  I downloaded and custom-built from tarballs, rather than
downloading "milestone release binaries".  For a non-programmer, it was
a steep learning curve, but I persevered.  I found out "the hard way",
that -O3 Mozilla builds were flakey to the max, even if they didn't
seg-fault at startup.  -O2 builds were much more stable.  I also used
the -march option, etc.

-- 
Walter Dnes <waltdnes-SLHPyeZ9y/tg9hUCZPvPmw at public.gmane.org>
My musings on technology and security at http://tech_sec.blog.ca
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