Messages in this thread | | | Subject | Re: [Lse-tech] [PATCH] New dcache / inode hash tuning patch | From | Gianni Tedesco <> | Date | 27 Feb 2003 11:21:38 +0000 |
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On Wed, 2003-02-26 at 18:33, Andi Kleen wrote: > On Wed, Feb 26, 2003 at 10:23:09AM -0800, Martin J. Bligh wrote: > > It actually seems a fraction slower (see systimes for Kernbench-16, > > for instance). > > Can you play a bit with the hash table sizes? Perhaps double the > dcache hash and half the inode hash ? > > I suspect it really just needs a better hash function. I'll cook > something up based on FNV hash.
Didn't wli do some work in this area? I seem to recall him recommending FNV1a for dcache...
-- // Gianni Tedesco (gianni at scaramanga dot co dot uk) lynx --source www.scaramanga.co.uk/gianni-at-ecsc.asc | gpg --import 8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D [unhandled content-type:application/pgp-signature] | |