Andres Freund <and...@anarazel.de> writes: > When switching bitmapword and companions in bitmap.h to u64 and s64 > respectively I get an improvement up to 15% in queries with 16+ joins.
I find this *really* hard to believe, because I've never seen the bitmap support operations show up noticeably at all in profiles. What sort of queries are you testing? regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers