On Sun December 4 2005 6:37 am, Kristian Poul Herkild wrote:
> Robert Crawford wrote:
> > On Sun December 4 2005 4:11 am, Kristian Poul Herkild wrote:
> >
> >
> >
> > -mfpmath=sse is not a good idea, the consensus is it actually lowers
> > performance. -msse -mmmx -m3dnow are redundant (implied b
On Sun, 4 Dec 2005 17:49:16 -0500, Robert Crawford wrote:
> Have you deleted the content in /var/tmp/portage (not the directory
> itself)?
It doesn't matter if you delete the directory too, portage will create it
when needed.
However, it is inadvisable to delete the entire directory if it conta
On Sun December 4 2005 6:35 am, Dale wrote:
> Kristian Poul Herkild wrote:
> > Personally I stick to -O2 since -O3 usually won't do much in reality.
> > -O3 takes longer to compile, and there is very little or no gain at
> > all (and sometimes the gain is negative).
> >
> > If space is the most imp
Chris Fairles wrote:
Kristian Poul Herkild wrote:
Robert Crawford wrote:
On Sun December 4 2005 4:11 am, Kristian Poul Herkild wrote:
-mfpmath=sse is not a good idea, the consensus is it actually lowers
performance. -msse -mmmx -m3dnow are redundant (implied by
-march=athlon-xp), and s
Kristian Poul Herkild wrote:
Robert Crawford wrote:
On Sun December 4 2005 4:11 am, Kristian Poul Herkild wrote:
-mfpmath=sse is not a good idea, the consensus is it actually lowers
performance. -msse -mmmx -m3dnow are redundant (implied by
-march=athlon-xp), and should be removed from y
Robert Crawford wrote:
On Sun December 4 2005 4:11 am, Kristian Poul Herkild wrote:
-mfpmath=sse is not a good idea, the consensus is it actually lowers
performance. -msse -mmmx -m3dnow are redundant (implied by
-march=athlon-xp), and should be removed from your cflags line, but SHOULD be
Kristian Poul Herkild wrote:
>
> Personally I stick to -O2 since -O3 usually won't do much in reality.
> -O3 takes longer to compile, and there is very little or no gain at
> all (and sometimes the gain is negative).
>
> If space is the most important issue you might want to compile for
> smallest
Dale wrote:
Hemmann, Volker Armin wrote:
O3 makes binaries much, much bigger. Bigger binaries need more cache&load
time. So bigger binaries are slower a lot of time.
-fomit-frame-pointer is fine, fmpgmath=sse may or may not make your apps
slower or faster. msse, mmmx, m3dnow are (mostly) harm
On Sun December 4 2005 4:11 am, Kristian Poul Herkild wrote:
> Dale wrote:
> > Hi,
> >
> > I have been up and running a while and am running stable but this is
> > Gentoo. ;) I found a script that tells you what your CFLAGS are
> > suposed to be and it is different from what I am using. This is
Hemmann, Volker Armin wrote:
>O3 makes binaries much, much bigger. Bigger binaries need more cache&load
>time. So bigger binaries are slower a lot of time.
>-fomit-frame-pointer is fine, fmpgmath=sse may or may not make your apps
>slower or faster. msse, mmmx, m3dnow are (mostly) harmless.
>
>
On Sunday 04 December 2005 09:35, Dale wrote:
> Hi,
>
> I have been up and running a while and am running stable but this is
> Gentoo. ;) I found a script that tells you what your CFLAGS are
> suposed to be and it is different from what I am using. This is what I
>
> am using now, from make.conf
Dale wrote:
Hi,
I have been up and running a while and am running stable but this is
Gentoo. ;) I found a script that tells you what your CFLAGS are
suposed to be and it is different from what I am using. This is what I
am using now, from make.conf of course:
CFLAGS="-march=athlon-xp -O3 -
Hi,
I have been up and running a while and am running stable but this is
Gentoo. ;) I found a script that tells you what your CFLAGS are
suposed to be and it is different from what I am using. This is what I
am using now, from make.conf of course:
>CFLAGS="-march=athlon-xp -O3 -pipe -fomit-fra
13 matches
Mail list logo
