On Jun 10, 2008, at 3:13 PM, Artur Siekielski wrote:
> > > > On Jun 10, 8:11 pm, Michael Bayer <[EMAIL PROTECTED]> wrote: >> I would first take a look at the SQL >> being issued as the first source of speed differences; if in 0.4.5 >> there's suddenly a whole series of deletes occuring which do not >> within 0.4.4, then that's the source of the difference. > > SQL is the same. These differences are also when I don't flush the > Session. Also performance when not using Psyco is the same in 0.4.4 > and 0.4.5. But switching Psyco on in 0.4.4 causes 50% performance > increase and in 0.4.5 about 1000% decrease. im afraid you'll have to dig deeper and/or work with some psyco developers. We have performance suites that show very similar results across 0.4.4 and forward. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
