Re: Spinlocks, yet again: analysis and proposed patches

* Tom Lane (tgl@sss.pgh.pa.us) wrote:
> Stephen Frost <sfrost@snowman.net> writes:
> > * Tom Lane (tgl@sss.pgh.pa.us) wrote:
> >> Er, which (or both) of the two patches did you apply here?
> 
> > Applied both, sorry that wasn't clear.
> 
> Thanks.  If you've got the time, could you try the two patches
> separately and see what you get?

Sure.

CVS Head:

N, runtime:	1 31s	2 47s	4 86s	8 159s

With just slock-no-cmpb.patch:

N, runtime:	1 32s	2 39s	4 82s	8 167s

With just spin-delay.patch

N, runtime:	1 32s	2 52s	4 94s	8 164s

With both:

N, runtime:	1 32s	2 53s	4 90s	8 169s

	Hope that helps,

		Stephen