Messages in this thread | | | Date | Mon, 19 Dec 2011 16:09:49 +0000 | From | Alan Cox <> | Subject | Re: [RFC PATCH 0/4] Gang scheduling in CFS |
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On Mon, 19 Dec 2011 16:51:41 +0100 Peter Zijlstra <peterz@infradead.org> wrote:
> On Mon, 2011-12-19 at 14:03 +0530, Nikunj A. Dadhania wrote: > > The following patches implements gang scheduling. These patches > > are *highly* experimental in nature and are not proposed for > > inclusion at this time. > > Nor will they ever be, I've always strongly opposed the whole concept > and I'm not about to change my mind. Gang scheduling is a scalability > nightmare.
For most situations: I think the question is whether you can write a clean gang scheduling option which has no impact on "normal" users.
Yes gang scheduling is insane but for some insane workloads its the right thing to do.
Alan
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