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Re: Memory allocation performance
- To: Robert Watson <rwatson_(_at_)_FreeBSD_(_dot_)_org>
- Subject: Re: Memory allocation performance
- From: Julian Elischer <julian_(_at_)_elischer_(_dot_)_org>
- Date: Sat, 02 Feb 2008 21:32:57 -0800
- Cc: freebsd-hackers_(_at_)_freebsd_(_dot_)_org, Kris Kennaway <kris_(_at_)_FreeBSD_(_dot_)_org>, Alexander Motin <mav_(_at_)_FreeBSD_(_dot_)_org>, freebsd-performance_(_at_)_freebsd_(_dot_)_org
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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