On Tue, Oct 18, 2011 at 10:04 AM, Robert Haas <robertmhaas@gmail.com> wrote:
> Hmm, so you added the non-locked test in TAS()? Did you try adding it
> just to TAS_SPIN()? On Itanium, I found that it was slightly better
> to do it only in TAS_SPIN() - i.e. in the contended case.
>
Would it be a good change for S_LOCK() to use TAS_SPIN() as well ?
Thanks,
Pavan
--
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com