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From: Vivek Khera <vivek@khera.org>
Date: Wed, 8 Jun 2005 10:08:31 -0400
To: FreeBSD amd64 List <freebsd-amd64@freebsd.org>
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Subject: Re: Programs memory usage in AMD64
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On Jun 8, 2005, at 9:21 AM, Francisco Reyes wrote:

>
> I am finding it's considerably higher. For example
>
> sshd takes under 3MB in i386. It takes close to 30MB in AMD64!
>
> csh takes 2MB in i386 and almost 6MB in AMD64. Not as bad as sshd,  
> but still almost 3 times. :-(
>
> Why is it that programs take so much more memory in AMD64?
>

That's the VSZ I see.  I'm sure that includes the entire shared  
object size  as well, which doesn't really matter since they are  
shared in physical memory.  The RSS are comparable.

Vivek Khera, Ph.D.
+1-301-869-4449 x806