| To: | Jun Sun <jsun@mvista.com> |
|---|---|
| Subject: | Re: [RFC] FPU context switch |
| From: | Greg Lindahl <lindahl@keyresearch.com> |
| Date: | Tue, 17 Sep 2002 12:03:10 -0700 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <20020917114831.G17321@mvista.com>; from jsun@mvista.com on Tue, Sep 17, 2002 at 11:48:31AM -0700 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20020917110423.E17321@mvista.com> <1032288140.28433.165.camel@gs256.sp.cs.cmu.edu> <20020917114831.G17321@mvista.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.2.5.1i |
On Tue, Sep 17, 2002 at 11:48:31AM -0700, Jun Sun wrote: > I think this gives a big performance improvement because most processes > don't use FPU during their runs but they all have used_math flag set! Jun, You really ought to prove that first. Many people spend a lot of time optimizing things that aren't important. If it isn't important, than the simplest scheme is the best choice. greg |
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