Re: Two identical systems, radically different performance

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Andrea Suisani <sickpig(at)opinioni(dot)net>
Cc: Craig James <cjames(at)emolecules(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Two identical systems, radically different performance
Date: 2012-10-15 15:28:45
Message-ID: CAGTBQpbt6sFkbGqELBzesTuz=v=iY3NQPdf+_AppfN7KNzkJEQ@mail.gmail.com
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On Mon, Oct 15, 2012 at 12:24 PM, Andrea Suisani <sickpig(at)opinioni(dot)net> wrote:
>> It does prove they're not equivalent though.
>>
>
> sure you're right.
>
> It's just that my bet was on a higher throughput
> when HT was isabled from the BIOS (as you stated
> previously in this thread).

Yes, mine too. It's bizarre. If I were you, I'd look into it more
deeply. It may be a flaw in your test methodology (maybe you disabled
the wrong cores?). If not, it would be good to know why the extra TPS
to replicate elsewhere.

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