Re: Pre-alloc ListCell's optimization

Greg Stark <gsstark@mit.edu>

From: Greg Stark <gsstark@mit.edu>
To: Stephen Frost <sfrost@snowman.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Alvaro Herrera <alvherre@commandprompt.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-05-27T03:36:53Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Replace the parser's namespace tree (which formerly had the same

  2. Turns out that my recent elimination of the 'redundant' flatten_andors()

On Thu, May 26, 2011 at 11:57 AM, Stephen Frost <sfrost@snowman.net> wrote:
> Handling the 1-entry case would likely be pretty
> straight-forward, but you need book-keeping as soon as you go to two,
> and all that book-keeping feels like overkill for just a 2-entry cache
> to me.

Incidentally what if I call nconc and pass a second arg of a list that
has the first few elements stashed in an array. Do you copy those
elements into cells before doing the nconc? Does our nconc support
having lists share cells? I suspect it doesn't actually so perhaps
that's good enough.

-- 
greg