Date: Fri, 12 Aug 2005 14:11:50 -0400 From: Mike Tancsa <mike@sentex.net> To: Pawel Jakub Dawidek <pjd@freebsd.org>, FreeBSD-current <freebsd-current@freebsd.org> Subject: Re: VIA/ACE PadLock integration with crypto(9). Message-ID: <6.2.3.4.0.20050812140558.07b1d738@64.7.153.2> In-Reply-To: <20050812135624.GG25162@garage.freebsd.pl> References: <20050812134511.GE25162@garage.freebsd.pl> <20050812135624.GG25162@garage.freebsd.pl>
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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
Features=0x381b83f<FPU,VME,DE,PSE,TSC,MSR,SEP,MTRR,PGE,CMOV,PAT,MMX,FXSR,SSE>
real memory = 251592704 (239 MB)
avail memory = 236720128 (225 MB)
FreeBSD via-releng5.sentex.ca 7.0-CURRENT FreeBSD 7.0-CURRENT #1
---Mike
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