x86-64 box

Christopher Browne cbbrowne-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Thu Jun 9 02:57:30 UTC 2005


On 6/8/05, Lennart Sorensen <lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:
> On Wed, Jun 08, 2005 at 11:52:01AM -0400, Stewart C. Russell wrote:
> > Hey, and since you want to squeeze every clock cycle out of your new
> > box, do a Gentoo Stage 1 build on your amd64.
> 
> As if gcc has that good optimizations for it yet.
> 
> Of course given there are only 2 amd64 chips out there so far I would
> think a generic binary would be fairly reasonable already.  They are
> rather different though.

No, no, he's entirely right.

If the point of the exercise is to "squeeze every clock cycle out of
your new box," there are few things that can conceivably be more
successful at consuming trillions of clock cycles than running GCC
over and over again hundreds of thousands of times in the course of
recompiling all the software with whatever optimization options you
imagine might be helpful.
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