Re: Move PinBuffer and UnpinBuffer to atomics

On Wed, Mar 30, 2016 at 10:16 AM, Andres Freund <andres@anarazel.de> wrote:

On 2016-03-30 07:13:16 +0530, Dilip Kumar wrote:
> On Tue, Mar 29, 2016 at 10:43 PM, Andres Freund <andres@anarazel.de> wrote:
>
> > My gut feeling is that we should do both 1) and 2).
> >
> > Dilip, could you test performance of reducing ppc's spinlock to 1 byte?
> > Cross-compiling suggest that doing so "just works".  I.e. replace the
> > #if defined(__ppc__) typedef from an int to a char.
> >
>
> I set that, but after that it hangs, even Initdb hangs..

Yea, as Tom pointed out that's not going to work.  I'll try to write a
patch for approach 1).

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com