On 23 July 2012 16:36, Robert Haas <robertmh...@gmail.com> wrote: > On Mon, Jul 23, 2012 at 11:34 AM, Peter Geoghegan <pe...@2ndquadrant.com> > wrote: >>> tss->buflen = 1 << ffs(len1); >> >> I'm sorry, I don't follow you here. What is ffs() ? > > Sorry, fls, not ffs. I always get those mixed up. > > See src/port/fls.c
Oh, okay. Since, I infer, we're starting from a buffer-size that's a power-of-two anyway, is there really any advantage in doing this rather than just doubling the buffer size each time? -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers