Date: Fri, 29 Jul 2005 15:10:50 -0400 From: Vivek Khera <vivek@khera.org> To: freebsd-amd64 List <freebsd-amd64@freebsd.org> Subject: Re: Benchmarks: AMD64 vs i386 on Dual 246 Opteron Message-ID: <CF5C0A50-94F1-4388-BD5E-AB85516C2617@khera.org> In-Reply-To: <1122594648.45827.11.camel@server.mcneil.com> References: <3.0.1.32.20050728013152.00a4d188@pop.redshift.com> <20050728193519.A66123@cons.org> <1122594648.45827.11.camel@server.mcneil.com>
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--Apple-Mail-8-475646239 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On Jul 28, 2005, at 7:50 PM, Sean McNeil wrote: > On Thu, 2005-07-28 at 19:35 -0400, Martin Cracauer wrote: > >> I highly suspect that the 64 bit version of FreeBSD in this >> comparision was somehow doomed before it started. Opportunities are >> leaving in kernel safety code in one of the kernels, a driver that >> just doesn't work right on AMD64. Or the same for any of the >> software, maybe php is hosed in its 64 bit build. >> > > If network throughput can effect the testing, I would suspect network > drivers. I've found the re0 driver performs horrible on amd64. > Especially with gigE. The OP used a S2881 mobo, which has a bge ethernet. I've had nothing but bad luck with that in FreeBSD/amd64. I put in some intel NICs and everything got better and more stable. Vivek Khera, Ph.D. +1-301-869-4449 x806 --Apple-Mail-8-475646239--
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