Multiarch crazyiness

Laurent Rineau laurent.rineau__fedora at normalesup.org
Wed Oct 24 17:35:26 UTC 2007


On Tuesday 23 October 2007 18:04:40 Matthew Miller wrote:
> On Tue, Oct 23, 2007 at 02:13:16PM +0100, Bill Crawford wrote:
> > > On Mon, Oct 22, 2007 at 10:54:35PM +0200, Laurent Rineau wrote:
> > > > > We prefer 32bit on those platforms.
> > > >
> > > > What if I have a x86_64 platform and nevertheless want only a 64-bits
> > > > kernel and almost all 32-bits apps?
> > >
> > > Given the architecture constraints, why do you want that? Is this a
> > > real use case that should be given serious consideration?
> >
> > 32-bit code for most platforms is smaller *and* uses less memory
> > (pointers at least being half the size). There is often a speed
> > penalty too.
>
> But we're not talking about "most platforms". We're talking about x86_64.

i386 applications use less memory that x86_64 ones. I would prefere to run 
under x86_64 only for applications that needs more that 2Go of memory.

-- 
Laurent Rineau
http://fedoraproject.org/wiki/LaurentRineau




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