Joel Reymont <joelr1@xxxxxxxxx> writes: > On Apr 26, 2011, at 5:00 PM, Tom Lane wrote: >> For another couple orders of magnitude, convert the sub-function to C code. (I don't think you need >> a whole data type, just a function that does the scalar product.) > That's a 30x speedup, from 12 minutes down to 38s. Thanks Tom! Huh, I would've bet on a lot more actually. The nodeFunctionscan and nodeAgg code must not be as inefficient as it looks on the surface ... regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
