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Re: Dual core Opterons beating quad core Xeons?

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
Cc: "Greg Smith" <gsmith(at)gregsmith(dot)com>, "Stuart Bishop" <stuart(at)stuartbishop(dot)net>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Dual core Opterons beating quad core Xeons?
Date: 2007-12-19 19:07:44
Message-ID: 20071219110744.32f9192a@commandprompt.com (view raw or flat)
Thread:
Lists: pgsql-performance
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On Wed, 19 Dec 2007 13:03:32 -0600
"Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> wrote:


> > Actually this is not true. Although I have yet to test 8.3. It is
> > pretty much common knowledge that after 8 cores the acceleration of
> > performance drops with PostgreSQL...
> 
> I thought Tom had played with some simple hacks that got the scaling
> pretty close to linear for up to 16 cores earlier this year...
> 

See.. have not tested 8.3 above and 8.2 is better than 8.1 etc...

Sincerely,

Joshua D. Drake

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Subject: Re: Dual core Opterons beating quad core Xeons?
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