Date: Mon, 13 Oct 2008 14:22:02 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-fs@freebsd.org Subject: Re: CFT: vm_lowmem event handler patch for dirhash Message-ID: <gcvefl$1bv$1@ger.gmane.org> In-Reply-To: <ea65dd980810130253n272384d5v7feb7ee45b89ca5f@mail.gmail.com> References: <ea65dd980810130253n272384d5v7feb7ee45b89ca5f@mail.gmail.com>
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[-- Attachment #1 --] Nick Barkas wrote: > For more information and a bunch of graphs with results from my > benchmarking, take a look at > http://wiki.freebsd.org/DirhashDynamicMemory. Also, I'll be giving a > talk about this project quite soon now at EuroBSDCon 2008. It's interesting to see that the 2 MB cache is sometimes a little bit faster than the 64 MB one (e.g. kernel build, svn operations, mail). Can you point to an explanation? A bad hash function? Bucket count too low? Experimental inaccuracy? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFI8z1qldnAQVacBcgRAtF+AKDA7tBBHH7yBXMFoBGN0EJ6bW0lOACg+srX 4Z+A766RDKQzDXRzXo/QgaU= =zjRR -----END PGP SIGNATURE-----help
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