Re: 64-bit vs 32-bit performance ... backwards?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Cc: Anthony Presley <anthony(at)resolution(dot)com>
Subject: Re: 64-bit vs 32-bit performance ... backwards?
Date: 2006-06-12 23:16:35
Message-ID: 200606121616.36009.josh@agliodbs.com
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Anthony,

> I'm curious if anyone can back this up .... or debunk it. It's about
> the polar opposite of everything I've heard from every other database
> vendor for the past several years, and would be quite an eye-opener for
> me.

I generally see a 20% "free" gain in performance on 64-bit (Opteron,
actually). Possibly EDB is still using ICC to compile, and ICC is bad at
64-bit?

I have seen some applications which failed to gain any performance from
64-bit, but have never personally dealt with one which was slower.

--
--Josh

Josh Berkus
PostgreSQL @ Sun
San Francisco

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