Date: Sat, 29 Oct 2005 13:34:36 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Kris Kennaway <kris@obsecurity.org> Cc: freebsd-current@freebsd.org, Dan Langille <dan@langille.org> Subject: Re: amd64 6% slower than i386? Message-ID: <20051029203436.GA12221@troutmask.apl.washington.edu> In-Reply-To: <20051029202821.GA50470@xor.obsecurity.org> References: <4363A1B2.30603.18FC1576@localhost> <20051029202821.GA50470@xor.obsecurity.org>
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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
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