| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Stephen Frost <sfrost(at)snowman(dot)net> |
| Subject: | Re: Performance optimization of btree binary search |
| Date: | 2013-12-04 23:33:23 |
| Message-ID: | CAM3SWZR1ZVno5YPs1QmTydZMsNnutmUHLnkjJ4x3Lb8a2oueSg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Dec 4, 2013 at 1:59 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> Yeah, I think if we can make something like this work, it would be
> neat-o. Getting this working for int4 would be a good win, as Peter
> says, but getting it working for both int4 and int8 with the same code
> would be a significantly better one.
No arguments here. I think I didn't initially suggest it myself out of
passing concern about the guarantees around how unused Datum bits are
initialized in all relevant contexts, but having looked at it for a
second I see that we are of course disciplined there.
--
Peter Geoghegan
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