[lug] recommendation for a 64bit laptop

[Lori Reed]

Sean Reifschneider wrote:
> On Wed, Apr 18, 2007 at 12:52:45PM -0600, steve at badcheese.com wrote:
>> single process.  Many performance improvements can be achieved with 
>> dual-core and it'll be much more noticable than running in 64-bit mode.
> 
> I still don't think there's a performance improvement of going with 64-bit
> on the same system unless you have some very particular needs (>32-bit int
> math maybe, huge process memory space).  In fact your message has made me
> expect it to be worse.  All that extra resident space is more bits that
> have to be shoved across the bus, etc...  As we've seen with IPv6, adding
> more bits that you aren't using impacts performance...

But, but, Sean, *size matters*! ;)

Lori