Re: [patch] scheduler cache affinity improvement for 2.4 kernels

Mike Fedyk (mfedyk@matchmail.com)
Thu, 8 Nov 2001 18:08:18 -0800


On Thu, Nov 08, 2001 at 06:09:29PM -0800, Davide Libenzi wrote:
> On Thu, 8 Nov 2001, Mike Fedyk wrote:
>
> > > The MQ scheduler has the same roots of the proposed one but has a longest
> > > fast path due the try to make global scheduling decisions at every
> > > schedule.
> >
> > Ahh, so that's why it hasn't been adopted...
>
> Changing the scheduler is not easy ( not to code patches but to make
> everyone agree on the need of changing it ) and as i already said, it's
> easier to force my cat to have a bath instead of Linus to change the
> scheduler :)
>

Hmm, let's see... You go to the trouble to keep to code tight, and cache
optimized, even raid5 is choosing a little slower implementation for better
cache properties, and then you go and kill it all with the scheduler...
Yep, that makes sence. ;)

Mike
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