"Merlin Moncure" <[EMAIL PROTECTED]> writes: > On 8/31/06, Tom Lane <[EMAIL PROTECTED]> wrote: >> What I found surprising is that I get numbers like 430 tps from HEAD >> and 220 tps from REL8_1_STABLE. This test case is of course not about >> performance, but I'm not quite sure what we changed that would produce >> a 2X speedup from 8.1. Can anyone else replicate this?
> I did not confirm your results unfortunately. this is on quad opteron, I was trying it on a dual Xeon EM64T with hyperthreading on ... I wonder if we've unintentionally done something that optimizes for that platform? I don't make any claim that this test case is interesting in itself, but it might be telling us something about more-mainstream cases. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq