From: Sam Vilain <sam@vilain.net>
To: Joshua D. Drake <jd@commandprompt.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Postgresql on an AMD64 machine
Date: Thu, 09 Jun 2005 09:14:02 +1200
Message-ID: <42A75F9A.3070500@vilain.net> (raw)
In-Reply-To: <42A6034A.90405@commandprompt.com>
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<b918cf3d05060613593a73a18a@mail.gmail.com>
<42A5F7B6.20502@sun.com>
<42A5FB70.8090807@jobflash.com>
<42A6014C.30108@sun.com>
<42A6034A.90405@commandprompt.com>
Joshua D. Drake wrote:
>> Yes - we have seen with oracle 64 bit that there can be as much as a
>> 10% hit moving
>> from 32 - but we make it up big time with large db-buffer sizes that
>> drastically
> Well for Opteron you should also gain from the very high memory
> bandwidth and the fact that it has I believe "3" FP units per CPU.
Sure. But you get those benefits in 32 or 64-bit mode.
Sam.
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To: pgsql-performance@postgresql.org
Cc: sam@vilain.net, jd@commandprompt.com
Subject: Re: Postgresql on an AMD64 machine
In-Reply-To: <42A75F9A.3070500@vilain.net>
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