5-STABLE kernel build with icc broken

Alexander Leidinger Alexander at Leidinger.net
Tue Mar 29 03:24:49 PST 2005


jason henson <jason at ec.rr.com> wrote:

> >Various:
> > - auto-vectorizer (no benefit for the kernel, since we can't use >  
>  FPU/SIMD instructions at any time... yet (interested hackers can
> >   have a look how DragonFly handles it, I can provide the necessary
> >   commit logs))
> >  >
> Are you implying DragonFly uses FPU/SIMD?  For that matter does any kernel?

AFAIK DragonFly _allows_ code to use the FPU/SIMD in the kernel. And AFAIR
they use SIMD in b{copy,zero} (we do this too, but we do this is in a
"controlled environment" whereas DFly just allows the use of FPU/SIMD in an
"use as you like" manner everywhere).

Bye,
Alexander.

-- 
http://www.Leidinger.net  Alexander @ Leidinger.net: PGP ID = B0063FE7
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