Re: what's next for the linux kernel?

From: Luke Kenneth Casson Leighton
Date: Tue Oct 04 2005 - 12:24:48 EST


On Tue, Oct 04, 2005 at 09:15:57PM +0400, Nikita Danilov wrote:
> Luke Kenneth Casson Leighton writes:
>
> [...]
>
> >
> > assuming that you have an intelligent programmer (or some really good
> > and working parallelisation tools) who really knows his threads?
>
> Well, I'd like to have a hardware with CAS-n operation for one
> thing.

CAS - compare and swap - by CAS-n i presume that you mean effectively a
SIMD CAS instruction?

> But what would this buy us?

you do not say :) i am genuinely interested to hear what it would buy.

> Having different kernel algorithms
> for x86 and mythical cas-n-able hardware is not viable.

if i can get an NPTL .deb package for glibc for x86 only it would tend
to imply that that isn't a valid conclusion: am i missing something?

cheers,

l.


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