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Date: Sun, 03 Feb 2008 15:20:42 -0800
From: Julian Elischer <julian@elischer.org>
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Cc: freebsd-hackers@freebsd.org, Kris Kennaway <kris@FreeBSD.org>,
	Robert Watson <rwatson@FreeBSD.org>, Alexander Motin <mav@FreeBSD.org>,
	freebsd-performance@freebsd.org
Subject: Re: Memory allocation performance
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Dag-Erling Smørgrav wrote:
> Julian Elischer <julian@elischer.org> writes:
>> Robert Watson <rwatson@FreeBSD.org> writes:
>>> 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 chances that the newly allocated object already has lines in the
>>> cache.  It's a fairly trivial tweak to the UMA allocation code.
>> you mean FILO or LIFO right?
> 
> Uh, no.  You want to reuse the last-freed object, as it is most likely
> to still be in cache.
> 
> DES


exactly.. FILO or LIFO (last in First out.)