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Re: Questions about loop-aes and the implementation of encryptedfilesystems
"Eloy A. Paris" wrote:
> On Thu, Feb 26, 2004 at 08:37:42PM +0200, Jari Ruusu wrote:
> [...]
> > Here is benhmark I ran some time ago on my 300 MHz Pentium-2 test box. ATA
> > hard disk. Tests file reads and writes to ext2 file system partition.
> >
> > KERNEL IMPLEMENTATION MODE WRITE MiB/s READ MiB/s
> > 2.6.1 cryptoloop single-key 5.21 4.08
> > 2.6.1 loop-AES single-key 9.52 7.56
> > 2.6.1 loop-AES multi-key(MD5 IV) 7.67 6.35
> > 2.4.22aa1 loop-AES single-key 10.55 10.16
> > 2.4.22aa1 loop-AES multi-key(MD5 IV) 8.75 8.13
I forgot to mention that above benchmark used AES128 encryption.
> Hhhmmm, will all the hype about the 2.6.x kernels and how great they
> are, any ideas why a 2.4.x kernel performs better than 2.6.x under this
> scenario?
Primary suspect is the anticipatory I/O scheduler in 2.6 kernels.
--
Jari Ruusu 1024R/3A220F51 5B 4B F9 BB D3 3F 52 E9 DB 1D EB E3 24 0E A9 DD
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Linux-crypto: cryptography in and on the Linux system
Archive: http://mail.nl.linux.org/linux-crypto/