Tom, 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! -------------------------------------------------------------------------- - for hire: mac osx device driver ninja, kernel extensions and usb drivers ---------------------+------------+--------------------------------------- http://wagerlabs.com | @wagerlabs | http://www.linkedin.com/in/joelreymont ---------------------+------------+--------------------------------------- -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general