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On Fri, 20 Jun 2003 12:29, Con Kolivas wrote:
> On Fri, 20 Jun 2003 07:32, Andreas Boman wrote:
> > Basicly, for normal usage this kernel is acting *very* well here.
>
> Great! Thanks for doing this testing. I've attached a patch with the
> updated figures and cc'ed lkml for others to test.

This is the latest state of play with this patch. I have been developing it 
for -ck and ported it to 2.5 if anyone is still interested. Basically it will 
make a task interactive faster than vanilla and will prevent a task losing 
it's interactivity status for longer.

The added changes include a small workaround for integer division, and a new 
feature - non linear boosting.

I have implemented a sigmoid curve shaped boost to the priority boost. This 
makes it harder for tasks to get the largest priority boost or the greatest 
penalty. Basically cpu hungry tasks that remain cpu hungry but fluctuate in 
their sleep time due to lots of other tasks running will get less priority 
boost and fluctuate less in that boost also.

Feel free to test it and comment. Things to look for - the dreaded audio skip 
under load, and X remaining interactive during sustained use under load.

Con
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