Re: Pre-alloc ListCell's optimization - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: Pre-alloc ListCell's optimization
Date
Msg-id 20110525104225.GK4548@tamriel.snowman.net
Whole thread Raw
In response to Re: Pre-alloc ListCell's optimization  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
* Alvaro Herrera (alvherre@commandprompt.com) wrote:
> Excerpts from Stephen Frost's message of mar may 24 22:56:21 -0400 2011:
>
> >   A couple of notes regarding the patch:
> >
> >   First, it uses ffs(), which might not be fully portable..  We could
> >   certainly implement the same thing in userspace and use ffs() when
> >   it's available.
>
> Err, see RIGHTMOST_ONE in bitmapset.c.

hah, and I even looked for something first, apparently not very well.
Thanks, simple change at least.  :)
Stephen

pgsql-hackers by date:

Previous
From: Simon Riggs
Date:
Subject: Re: use less space in xl_xact_commit patch
Next
From: Pavan Deolasee
Date:
Subject: Re: Proposal: Another attempt at vacuum improvements