Guido van Rossum <guido@python.org> writes: > The issue seems to be that a moderately sized application takes a long > time to start, right? How much of the user+sys time was user, how > much was sys? Have you used python -v to see which modules it > imports? > > Long ago I knew Hammie; I believe it reads a possibly large database. > How much time does opening +closing the database take? (I presume > that the 46 messages/second was not opening the database afresh for > each message.) Hammie's since been modified to use a Berkeley database (bsddb3), so there's very little penalty associated with the database at startup time AFAICT. The constant pickling and unpickling of objects may incur some penalty, but I don't think it would account for such a drastic slowdown. Experience (and Tim ;) has tought me not to trust intuition, though. I have very little experience performance tuning Python apps thus far, so I need to defer to someone else to devise an adequate test of the speed hit from pickling. Surely someone's considered using the profiler, right? Neale
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