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Date: Sat, 5 Jan 2013 22:58:03 +0100
Message-ID: <CAH17caVWBaJNwV_Nq1j-u3n+5vMS7qRfuCprfLowrsNgFvPM6g@mail.gmail.com>
Subject: GELI performance on Atom D525
From: Wiktor Niesiobedzki <bsd@vink.pl>
To: freebsd-stable <freebsd-stable@freebsd.org>
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Hi,

Can anyone with access to Atom D525 processor can do a performance check for me:
# kldload geom_eli
# kldload geom_zero
# sysctl kern.geom.zero.clear=0
# geli onetime  -s 4096 -l 256 -e aes-cbc gzero
# dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096
# geli kill gzero
# geli onetime  -s 4096 -l 256 -e aes-xts gzero
# dd if=/dev/gzero.eli of=/dev/null bs=1m count=4096

I'm interested in dd outputs ofcourse. I would like to compare this to
VIA Esther processor 1000MHz, which has padlock AES accelerator.

My results are:

AES-CBC:
4294967296 bytes transferred in 31.805894 secs (135036836 bytes/sec)

AES-XTS:
4294967296 bytes transferred in 765.232668 secs (5612629 bytes/sec)


Anyone can provide the results for Atom D525?

Cheers,

Wiktor Niesiobedzki