linux-kernel - Re: [Bugme-new] [Bug 12562] New: High overhead while switching or synchronizing threads on different cores

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Date:	Mon, 02 Feb 2009 09:33:20 +0100
From:	Thomas Pilarski <thomas.pi@...or.de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Mike Galbraith <efault@....de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	bugme-daemon@...zilla.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Bugme-new] [Bug 12562] New: High overhead while switching or
 synchronizing threads on different cores

Am Montag, den 02.02.2009, 09:19 +0100 schrieb Peter Zijlstra:
> I suppose you'll have to go bug the glibc people about their random()
> implementation.

Yes, I will.

> If you really need random() to perform for your application (monte-carlo
> stuff?) You might be better off writing a PRNG with TLS state or
> something.

I just need some noise in my images.



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