Messages in this thread |  | | | Date | Thu, 1 Oct 2009 11:01:37 +0200 | | From | Ingo Molnar <> | | Subject | Re: [RFC PATCHSET] workqueue: implement concurrency managed workqueue |
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* Jens Axboe <jens.axboe@oracle.com> wrote:
> On Thu, Oct 01 2009, Ingo Molnar wrote: > > My main worry is that in practice workqueues arent all that performance > > critical - so we are shooting to optimize something that doesnt > > necessarily use all the potential goodness inherent in this approach. > > Well, the main problem with the current code is that per-cpu > workqueues are way abused. I don't look at this patchset from a > performance point of view, but rather a way to limit this huge number > of idle and pointless threads. [...]
I do look at it as a potentially (and primarily) big performance feature - if only it was utilized in a place where the performance aspect mattered.
Sure, the memory savings are nice too.
Ingo
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