Re: Postgresql on an AMD64 machine

From: Sam Vilain <sam(at)vilain(dot)net>
To: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Postgresql on an AMD64 machine
Date: 2005-06-08 21:14:02
Message-ID: 42A75F9A.3070500@vilain.net
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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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