Date: Fri, 21 Jan 2005 16:13:20 -0800 From: "David O'Brien" <obrien@FreeBSD.org> To: Jeff Behl <jbehl@fastclick.com> Cc: freebsd-amd64@FreeBSD.org Subject: Re: bsd i386 on amd64 Message-ID: <20050122001320.GA39743@dragon.nuxi.com> In-Reply-To: <41F198F8.9020608@fastclick.com> References: <41F198F8.9020608@fastclick.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Jan 21, 2005 at 04:06:16PM -0800, Jeff Behl wrote: > i have a dual proc 3gHz AMD Opteron box Impossible. :-) The fastest Opteron right now is 2.5 GHz. > that i want to run java on, so > it looks like i have to use the i386 build (any news on the jdk coming > to AMD?). You probably want to use the Linux 'i386' JDK. > from what i've gathered, this should not be a problem and > performance should be at least par compared to to running on a Xeon. is > this true? i even seem to remember hearing rumor that the Opteron could > even run i386 code faster, mHz to mHz, than a Xeon? An Opteron runs all code faster MHz to MHz compared to Xeon. Opteron has a shorter pipeline and thus can do more work per cycle. Xeon has a very deep pipeline and thus can be clocked higher and must be clocked higher to get the same performance. -- -- David (obrien@FreeBSD.org)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050122001320.GA39743>