On Thu, Dec 15, 2005 at 12:10:37AM -0500, Qingqing Zhou wrote: > > On Wed, 14 Dec 2005, Luke Lonergan wrote: > > > > Overall - I'd say that the BSD routine is showing the best overall results > > when the scale test is included. The qsortG routine has some significantly > > better performance in certain cases at smaller sort set sizes - it could > > probably be improved for better L2 use, but BSD is already there. > > > > Based on this it seems like we should expose the option to choose the BSD > > qsort routine at configure time. > > > > Before we pin down this, I hope more extensive tests on various platforms > could be done. So we could give some suggestions when we should enable the > "--enable-bsdqsort" option. I can post a result on a SunOS machine (but > the problem is that many ppl share this machine) and a windows machine.
I have access to both some (SLOW) ultra5's and a machine running opensolaris on AMD if testing there would help. I'll need a pointer to a patch and test-case though... Oh, I also have access to an old SGI... -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
