Re: Postgresql on an AMD64 machine - Mailing list pgsql-performance

From Sam Vilain
Subject Re: Postgresql on an AMD64 machine
Date
Msg-id 42A75F9A.3070500@vilain.net
Whole thread Raw
In response to Re: Postgresql on an AMD64 machine  ("Joshua D. Drake" <jd@commandprompt.com>)
List pgsql-performance
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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