Re: futex

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: mendola(at)bigfoot(dot)com
Subject: Re: futex
Date: 2004-08-25 01:43:14
Message-ID: 200408241843.14102.josh@agliodbs.com
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Gaetano,

> I knew there was an evaluation on the futex vs spinlock,
> and Josh Berkus on IRC told me that there was only a 20%
> performance increase, is this increase to throw away ?

Before we get totally off track here ....

I evaluated futexes strictly as an attempt to solve the context switch storm
bug. I did NOT test whether they improved performance overall.

--
Josh Berkus
Aglio Database Solutions
San Francisco

Responses

  • Re: futex at 2004-08-25 17:14:53 from Manfred Spraul

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