amd64 optimized gcc?

[Mike Jakubik]

On Thu, May 26, 2005 11:56 am, Kris Kennaway said:
> On Thu, May 26, 2005 at 10:13:35AM +1000, Michael VInce wrote:

>> for warranty to come through on my old one. I did a buildworld under
>> 'CPUTYPE=athlon64' in make.conf and 'CFLAGS=
>> -O2 -pipe -funroll-loops' for the the kernel.
>> I also used both to build all my ports including xorg and KDE.
>>
>
>> All this combined has made my laptop feel a lot faster.
>>
>
> Google for 'placebo effect' :-) Unfortunately, leet optimization flags
> do not measurably effect everyday system performance, only specific
> CPU-intensive operations.

Tell that to the Gentoo people :)