PTHREAD_YIELDLOOPS boosts mysql super-smack performance

[Jeff Roberson]

On Thu, 1 Nov 2007, David Xu wrote:

> Ivan Voras wrote:
>> Abdullah Ibn Hamad Al-Marri wrote:
>> 
>>> On Oct 31, 2007 5:31 AM, David Xu <davidxu at freebsd.org> wrote:
>> 
>> 
>>>> it seems over 44% performance is improved.
>> 
>> 
>>> When could you please commit these changes of libthr will hit RELENG_7
>>> so we could benefit of these improvements?
>> 
>> 
>> I agree this would be very nice to have in 7.0, especially since it's
>> off by default. We can add a tagline to the release to the tune of
>> "MySQL gets smacked!"
>> 
>
> I will request a MFC. :-)

Did you try recompiling mysql to pickup chris's ADAPTIVE_MUTEX_NP changes? 
How does this compare?

>
> Regards,
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