VIA/ACE PadLock integration with crypto(9).
mike at sentex.net
Fri Aug 12 18:11:59 GMT 2005
At 09:56 AM 12/08/2005, Pawel Jakub Dawidek wrote:
>Whoa! This is nice:
> # geli onetime -s 32768 gzero
> # dd if=/dev/gzero.eli of=/dev/null bs=32k count=20000
> 655360000 bytes transferred in 6.101517 secs (107409355 bytes/sec)
Its pretty darn good speed wise to a normal drive on my one VIA box
with AES 128. First is just a normal UFS mount, second is software
crypto, 3rd is with padlock.ko loaded. Only ~ 30% performance penalty.
102400000 bytes transferred in 3.174018 secs (32261948 bytes/sec) R
102400000 bytes transferred in 3.095546 secs (33079786 bytes/sec) W
102400000 bytes transferred in 13.073072 secs (7832895 bytes/sec) R
102400000 bytes transferred in 14.170376 secs (7226343 bytes/sec) W
102400000 bytes transferred in 5.107234 secs (20049992 bytes/sec) R
102400000 bytes transferred in 4.585821 secs (22329699 bytes/sec) W
Thats plenty good enough to saturate a 100Mb link.
CPU: VIA C3 Nehemiah+RNG+ACE (1199.79-MHz 686-class CPU)
Origin = "CentaurHauls" Id = 0x698 Stepping = 8
real memory = 251592704 (239 MB)
avail memory = 236720128 (225 MB)
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