Re: [maybe-OT] GNOME/FC3 on 64-bit Athlon 64

[Alexander Larsson <alexl redhat com>]

On Fri, 2005-01-14 at 11:27 +0100, Jean Bréfort wrote:
> Le vendredi 14 janvier 2005 à 11:04 +0100, Alexander Larsson a écrit :
> > On Thu, 2005-01-13 at 12:31 -0500, Manuel Amador wrote:
> > > Hi everyone,
> > > 
> > > Well, it's been a long time since I've posted anything to these lists.
> > > Excuse me for the cross-posting, please.
> > > 
> > > Has anyone noticed the memory usage of GNOME applications under 64-bit
> > > Athlon 64?  I'm using Fedora Core 3, and I am seeing 260MB VIRT and 70MB
> > > RSS memory footprints on e.g. Evo and Nautilus.
> > 
> > Compiling for 64bit means doubling the size of all pointers. This is
> > likely to use a lot more memory. You might want to try running a 32bit
> > binary of the applications to see if this explains the memory use
> > difference.
> 
> I just made a test on two machines running gentoo linux. One is a
> Pentium4 and the other an Amd64. On the Pentium4, nautilus uses 30,9 MB
> and on the AMD64 112,7 MB which is more near four times the memory used
> with the Pentium4 than 2.
> The same is true for other apps:
> 
> 			Pentium4	Amd64
> gnome-system-monitor	21.5 MB		112.0 MB
> gnome-session		17.1 MB		85.7 MB
> 
> and so on...

Thats strange. The pointer size change should at most double the size.
Someone should try to figure out whats causing this.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Alexander Larsson                                            Red Hat, Inc 
                   alexl redhat com    alla lysator liu se 
He's an ungodly hunchbacked astronaut on his last day in the job. She's a 
time-travelling punk stripper who dreams of becoming Elvis. They fight crime!