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Date: Sat, 29 Oct 2005 13:34:36 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Kris Kennaway <kris@obsecurity.org>
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Cc: freebsd-current@freebsd.org, Dan Langille <dan@langille.org>
Subject: Re: amd64 6% slower than i386?
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On Sat, Oct 29, 2005 at 04:28:21PM -0400, Kris Kennaway wrote:
> On Sat, Oct 29, 2005 at 04:22:10PM -0400, Dan Langille wrote:
> > Build world is consistly 6% slower running an amd64 world than an 
> > i386 world.
> > 
> > In both cases, I'm using the default install of 6.0 RC-1 on the same 
> > AMD 64 3000+ with 1GB of RAM.  I'm finding that build world takes 48 
> > minutes under i386 and 51 minutes under amd64.
> > 
> > Is this expected?
> 
> You're comparing two different things (different compilers, some
> amount of different code being compiled), so you shouldn't expect them
> to be the same.
> 

He also may be building lib32 on amd64.

-- 
Steve