On Wed, Jan 22, 2014 at 5:28 PM, KONDO Mitsumasa <kondo.mitsum...@lab.ntt.co.jp> wrote: > Oh, thanks to inform me. I think essential problem of my patch has bottle > neck in sqrt() function and other division caluculation.
Well, that's a pretty easy theory to test. Just stop calling them (and do something similar to what we do for current counter fields instead) and see how much difference it makes. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers