Messages in this thread | | | Subject | Re: Why does C3 CPU downgrade in kernel 2.4.20? | From | Daniel Egger <> | Date | 10 Dec 2002 20:39:38 +0100 |
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Am Die, 2002-12-10 um 17.51 schrieb Alan Cox:
> Well if you optimise for ppro it won't actually always work.
Yeah, I had to learn earlier that it seems to support certain kind of cmovs but certainly not all of them and some other instructions seem also to be missing.
> Also thescheduling seems to be best with 486. > Remember the C3 is a single issue risc processor.
Do you have pointers to some optimisation manual or whatever? gcc currently defines the c3 as 486+mmx+3dnow however I doubt that this model is entirely correct and as such leaves some space for improvements.
> -- > Servus, > Daniel [unhandled content-type:application/pgp-signature] | |