[dundee] Linux on the desktop

[Jonathan Barber]

On Mon, Jan 12, 2004 at 01:29:11PM +0000, Andrew Clayton wrote:
> On Mon, 2004-01-12 at 12:08, Jonathan Barber wrote:
> > On Sun, Jan 11, 2004 at 05:54:26PM +0000, Andrew Clayton wrote:
> > > On Sun, 2004-01-11 at 15:42, Martin Habets wrote:
> > > 
> > > [snip]
> > > 
> > > 
> > > > > What have you used 64-bitness in apples for?  As far as I know Mac OS
> > > > > X is only 32-bit.
> > > > 
> > > > Yes, Mac OS X is 32 bit. But I was running Linux on them (and on the sparcs btw.),
> > > > so I had 64 bit compilers!
> > > 
> > > Although there is generally little advantage in having a full 64bit user
> > > land. And in fact it can be a disadvantage.
> > 
> > How can it be a disadvantage?
> > 
> 
> Bigger binaries and can have slower performance.

WRT performance, are you refering to running binaries compiled for 32bit
x86 platforms on 64bit platforms, or is this something else.

Do you have any links handy?

> You do get quite a bit of overhead with 64bit, use it only when you need
> it.
> 
> Andrew
-- 
Jon