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SubjectRe: [PATCH] use unlikely() for current_kernel_time() loop
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On Thursday 08 June 2006 11:36, Brian F. G. Bidulock wrote:
> Andi,
>
> On Thu, 08 Jun 2006, Andi Kleen wrote:
> >
> > > performance increased 2% per hyperthread;
> >
> > That would surprise me. Most likely you made some measurement error.
> >
>
> Don't think there was an error. Tests performed on STREAMS external
> modules optimized with profiling data.


You mean with compiler profile feedback?

If that is slower then it would sound like a compiler bug.

-Andi
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