Meant to send to the list .... ----- Forwarded message from Jun Sun <jsun@mvista.com> ----- X-Sieve: cmu-sieve 2.0 Date: Tue, 17 Sep 2002 16:02:26 -0700 From: Jun Sun <jsun@mvista.com> To: Greg Lindahl <lindahl@keyresearch.com> Cc: jsun@mvista.com Subject: Re: [RFC] FPU context switch User-Agent: Mutt/1.2.5i In-Reply-To: <20020917155854.B1883@wumpus.attbi.com>; from lindahl@keyresearch.com on Tue, Sep 17, 2002 at 03:58:54PM -0700 On Tue, Sep 17, 2002 at 03:58:54PM -0700, Greg Lindahl wrote: > On Wed, Sep 18, 2002 at 12:30:23AM +0200, Kevin D. Kissell wrote: > > > I'm extremely skeptical about this "evidence". > > The only good test is Linux with and without lazy saves. Throwing in a > new OS complicates matters. It sounds like Jun already has working > code for (1) and (3), so he can do a good test. > I actually have 2) and 3). 1) is easy to do, though. Anyone can recommand some test programs to try? A while back, I tried lmbench which is not very telling. I think the reason is that most of the tests are not using FPU at all. However I might try it again anyway. It might tell the difference between 1) and 2)&3) easily. Jun ----- End forwarded message -----