Messages in this thread | | | Date | Thu, 26 Feb 2009 21:27:11 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH] signals: don't copy siginfo_t on dequeue |
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* Oleg Nesterov <oleg@redhat.com> wrote:
> On 02/26, Vegard Nossum wrote: > > > > 2009/2/26 Ingo Molnar <mingo@elte.hu>: > > > > > > I.e. shouldnt we have seen a speedup, due to not having to copy > > > the siginfo structure? > > I am puzzled by these numbers too. I can't understand how this > patch can make any difference.
Measurement noise perhaps. Especially such microbenchmarks can be very sensitive to cache layout, etc.
Ingo
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