Date: Sun, 20 Nov 2005 12:43:43 +0200
From: Muli Ben-Yehuda <mulix@mulix.org>
Subject: Re: Inconsistent timing results of multithreaded program on an SMP
 machine.
In-reply-to: <200511202139.01299.kernel@kolivas.org>
To: Con Kolivas <kernel@kolivas.org>
Cc: Marcel Zalmanovici <MARCEL@il.ibm.com>, linux-kernel@vger.kernel.org
Message-id: <20051120104343.GC12997@granada.merseine.nu>
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On Sun, Nov 20, 2005 at 09:39:00PM +1100, Con Kolivas wrote:
> On Sun, 20 Nov 2005 21:35, Muli Ben-Yehuda wrote:

> If it was instant it shouldn't matter. I'm aware of that in theory, but there 
> have certainly been reports of pthread_join taking quite a while happening in 
> a sort of lazy/sloppy way. I don't know why this is the case but I wondered 
> if it was showing up here. 

I see, I didn't realize pthread_join might not return immediately even
if the thread already finished (I would actually consider that a
bug...). Marcel, could you please check?

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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