From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <1d9c67ab61a2cea9181728fb86c62079@plan9.bell-labs.com> Date: Fri, 24 Sep 2004 18:14:42 -0400 From: jmk@plan9.bell-labs.com To: 9fans@cse.psu.edu Subject: Re: [9fans] grid computing -- high performance? In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: e7e0f9f8-eacd-11e9-9e20-41e7f4b1d025 On Fri Sep 24 18:07:47 EDT 2004, newsham@lava.net wrote: > > We have versions of 8a and 8l which have MMX/SSE support but they are > > not installed because there is probably a compatibility issue with old > > object files. > > For MMX, the p9 kernel doesnt need to do anything special, but the kernel > has to enable SSE and provide storage for the extra registers during > context switches, doesn't it? Is this in the kernel? > > > --jim > > Tim N. It's not in the distributed kernel, but that's where it needs to be, yes. --jim