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Re: COMMIT NOWAIT Performance Option

From: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
To: "J(dot) Andrew Rogers" <jrogers(at)neopolitan(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: COMMIT NOWAIT Performance Option
Date: 2007-03-01 05:20:07
Message-ID: 36e682920702282120l37f76b45tbd5e8932accf304@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On 2/28/07, Jonah H. Harris <jonah(dot)harris(at)gmail(dot)com> wrote:
> I added adler32 to Gurjeet Singh's crc testing utility, compiled it
> with gcc 4.0.0 on a single-core Opteron running FC4, and configured it
> for 8K block sizes.

Tested Fletcher and seeing similar results ratio-wise.  Using O3, it's:

Generating CRC using Fletcher algo... done. Time taken : 11 milliseconds
Verifying CRC using Fletcher algo... done. Time taken : 11 milliseconds

-- 
Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 3rd Floor            | jharris(at)enterprisedb(dot)com
Iselin, New Jersey 08830            | http://www.enterprisedb.com/

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