Re: Hyper-Trading - Mailing list pgsql-general

From Andrew Sullivan
Subject Re: Hyper-Trading
Date
Msg-id 20070710210105.GM30870@phlogiston.dyndns.org
Whole thread Raw
In response to Re: Hyper-Trading  (Adrian von Bidder <avbidder@fortytwo.ch>)
Responses Re: Hyper-Trading  ("Andrej Ricnik-Bay" <andrej.groups@gmail.com>)
List pgsql-general
On Tue, Jul 10, 2007 at 08:09:11PM +0200, Adrian von Bidder wrote:

> If your  operating system is able to schedule the threads/processes across
> CPUs, PostgreSQL will use them.

But notice that hyperthreading imposes its own overhead.  I've not
seen evidence that enabling hyperthreading actually helps, although I
may have overlooked a couple of cases.

A

--
Andrew Sullivan  | ajs@crankycanuck.ca
I remember when computers were frustrating because they *did* exactly what
you told them to.  That actually seems sort of quaint now.
        --J.D. Baldwin

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