> -----Original Message----- > From: pgsql-hackers-ow...@postgresql.org [mailto:pgsql-hackers- > ow...@postgresql.org] On Behalf Of Stephen Frost > Sent: Tuesday, June 16, 2009 5:47 AM > To: Greg Stark > Cc: Robert Haas; Jeremy Kerr; <pgsql-hackers@postgresql.org>; Alvaro > Herrera; Stefan Kaltenbrunner; Gurjeet Singh > Subject: Re: [HACKERS] [PATCH] backend: compare word-at-a-time in > bcTruelen >
On 64-bit machines, the native word size is 64-bits (obviously), and comparing 32 bits at a time is much slower than comparing 64 bits at a time. You might want to consider this. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
