Re: optimizing repeated MVCC snapshots - Mailing list pgsql-hackers

From Robert Haas
Subject Re: optimizing repeated MVCC snapshots
Date
Msg-id CA+TgmoZ2aEDMv=z0O2yCKzFxiaZ8QO8h=ywvJn80YOmJa1FdOA@mail.gmail.com
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In response to Re: optimizing repeated MVCC snapshots  (Florian Weimer <fweimer@bfk.de>)
List pgsql-hackers
On Thu, Jan 5, 2012 at 9:01 AM, Florian Weimer <fweimer@bfk.de> wrote:
> * Robert Haas:
>> and (c) architectures (like 32-bit x86) where ordinary 64-bit
>> operations aren't atomic but special instructions (cmpxchg8b) can be
>> used to get that behavior.
>
> FILD and FIST are atomic, too, and are supported by more
> micro-architectures.

Yeah, I think you (or someone) mentioned the code.  If someone wants
to write the code, I'm game...

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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