Re: [PATCH RFC 0/2] percpu_ida: Take into account CPU topology when stealing tags

[Jens Axboe]

On 2014-04-22 01:10, Alexander Gordeev wrote:
> On Wed, Mar 26, 2014 at 02:34:22PM +0100, Alexander Gordeev wrote:
> > But other systems (more dense?) showed increased cache-hit rate
> > up to 20%, i.e. this one:
>
> Hello Gentlemen,
>
> Any feedback on this?

Sorry for dropping the ball on this. Improvements wrt when to steal, how 
much, and from whom are sorely needed in percpu_ida. I'll do a bench 
with this on a system that currently falls apart with it.

--
Jens Axboe

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