Messages in this thread | | | Date | Sat, 6 Aug 2011 08:58:20 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH v2] x86: Reduce clock calibration time during slave cpu startup |
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* Yinghai Lu <yhlu.kernel@gmail.com> wrote:
> On Fri, Aug 5, 2011 at 6:16 AM, Jack Steiner <steiner@sgi.com> wrote: > > Aside from the bogus comment (I'll send a V3 with a fixed comment), does the patch > > look ok. > > Several months ago, Robin said that he will test updated version > > [PATCH] x86: Make calibrate_delay run in parallel. > > so any reason that you sgi guyes stop that path?
Running calibration in parallel is pretty stupid: cores/threads might impact each other and there might be a lot of avoidable noise in the results.
Thanks,
Ingo
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