migrating to 64-bit

[Danial Thom]

--- "Michael P. Soulier"
<msoulier at digitaltorque.ca> wrote:

> Hello,
> 
> I recently got an ia64 box at work, and I threw
> my i386 freebsd 5.4 on it.
> Now, is there a way to rebuild world with
> 64-bit support from there?
> 
> Thanks,
> Mike

Everything I've tested runs slower in 64-bit mode
(mainly because of kernel clunkiness), so if you
don't need the long pointers you might want to
re-think your proposed adventure. I believe that
since everything is bigger in 64-bit mode, things
fall out of the cpu cache a lot faster, and there
is a significant different in performance in and
out of the cache.

DT

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