Re: [PATCH RFC 0/7] x86: convert ticketlocks to C and remove duplicate code

[Andi Kleen]

Jeremy Fitzhardinge <jeremy@xxxxxxxx> writes:
>
> I couldn't measure a consistent performance difference between the two
> implemenations; there seemed to be +/- ~1% +/-, which is the level of
> variation I see from simply recompiling the kernel with slightly
> different code alignment.

I ran your new locks in my lock tester and I have a similar experience.
There's some variation, but it seems to be in the usual variance.
In some cases the C locks were actually faster.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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