LUKS and intel aes-ni performance part 2

Lately I've bought laptop with Intel i7-3720QM. Laptop got 2 disks: SSD Vertex 120GB and original WD Scorpio 7200rpm hdd. I have to check LUKS performance of this setup ('cause I use LUKS on daily basis). And it looks like this (of course bonnie++ results):

HT on, WD Scorpio 320GB 7200rpm, lvm, ext4, no encryption:

LUKS and intel AES extension performance

Finally I've just got cpu with AES-NI to play with. And finally I was able to check performance gain using hadrware with LUKS volumes.
Edit: most important info, tested CPU was Intel Xeon X5650.

First of all I've checked block device speed (which was 2 SAS 300GB RAID1 set) without encryption. Device has ext4 and I used bonnie++ as usual.


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by Dr. Radut