Messages in this thread | | | Date | Wed, 19 Jan 2005 16:24:14 -0500 (EST) | From | James Morris <> | Subject | Re: Announce loop-AES-v3.0b file/swap crypto package |
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On Wed, 19 Jan 2005, Fruhwirth Clemens wrote:
> I've rewritten some CBC code to fit the facilities I introduce in my LRW > patch[1]. Here are the results for my P4@1.8GHZ: > > loop-aes, CBC: ~30.5mb/s > dm-crypt, CBC prior to my rewrite: ~23mb/s > dm-crypt, CBC with my LRW patch: ~27mb/s > dm-crypt, LRW with my LRW patch: ~27mb/s (slightly faster than CBC) > > As you can see my LRW patches (actually it's the generic scatterwalker > which is part of the LRW patch set) halves the gap to loop-aes.
This looks promising. I wonder if the generic scatterwalker solves the null encryption performance problem that was reported a little while back.
- James -- James Morris <jmorris@redhat.com>
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