Date: Thu, 28 Jul 2005 09:19:08 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: ray@redshift.com Cc: freebsd-amd64@freebsd.org Subject: Re: Benchmarks: AMD64 vs i386 on Dual 246 Opteron Message-ID: <20050728161908.GB64153@troutmask.apl.washington.edu> In-Reply-To: <3.0.1.32.20050728080526.00aa4098@pop.redshift.com> References: <86mzo7yvpe.fsf@xps.des.no> <3.0.1.32.20050728013152.00a4d188@pop.redshift.com> <86mzo7yvpe.fsf@xps.des.no> <3.0.1.32.20050728080526.00aa4098@pop.redshift.com>
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On Thu, Jul 28, 2005 at 08:05:26AM -0700, ray@redshift.com wrote: > > I've also heard the AMD's perform well under heavy database > load - although I have not put any machine into production yet. > > As you say, you get a new shinney AMD and run to put a 64 bit > OS on it thinking it will smoke the tires. But once you test > it and start thinking about it, the 32 bit running faster makes > sense. Maybe there needs to be a 20 bit OS :-) > Drop 8 GB of memory into the box and see how the 32-bit FreeBSD performs in comparison to the 64-bit FreeBSD when your process consumes greater than 4GB of memory. -- Steve
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