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Date:      Sat, 02 Feb 2008 21:32:57 -0800
From:      Julian Elischer <julian@elischer.org>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        freebsd-hackers@freebsd.org, Kris Kennaway <kris@FreeBSD.org>, Alexander Motin <mav@FreeBSD.org>, freebsd-performance@freebsd.org
Subject:   Re: Memory allocation performance
Message-ID:  <47A55209.9040106@elischer.org>
In-Reply-To: <20080202224923.T66602@fledge.watson.org>
References:  <47A25412.3010301@FreeBSD.org> <47A25A0D.2080508@elischer.org> <47A2C2A2.5040109@FreeBSD.org> <20080201185435.X88034@fledge.watson.org> <47A43873.40801@FreeBSD.org> <20080202095658.R63379@fledge.watson.org> <47A4E934.1050207@FreeBSD.org> <47A4F1AF.9090306@FreeBSD.org> <20080202224923.T66602@fledge.watson.org>

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Robert Watson wrote:

> be a good time to try to revalidate that.  Basically, the goal would be 
> to make the pcpu cache FIFO as much as possible as that maximizes the 

you mean FILO or LIFO right?

> chances that the newly allocated object already has lines in the cache.  
> It's a fairly trivial tweak to the UMA allocation code.
> 
> Robert N M Watson
> Computer Laboratory
> University of Cambridge




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