Date: Sat, 10 Sep 2005 16:59:26 -0400 From: Nick Evans <nevans@syphen.net> To: freebsd-geom <freebsd-geom@freebsd.org> Subject: GELI hardware performance. Message-ID: <20050910165926.40c5354d@speedstar.syphen.net>
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Just a quick performance comparison between software and hardware backed GELI partitions with bonnie Software: Per char output: 12384 K/sec, 20.5% CPU Block output: 14408 K/sec, 7.2% CPU Rewrite: 6908 K/sec, 4.3% CPU Per char input: 18848 K/sec, 35.2% CPU Block input: 13965 K/sec, 6.1% CPU Seeks/sec: 837.2, 5.7% CPU Hardware: Per char output: 27107 K/sec, 54.4% CPU Block output: 27109 K/sec, 18.9% CPU Rewrite: 10201 K/sec, 6.8% CPU Per char input: 27370 K/sec, 57.0% CPU Block input: 25463 K/sec, 13.2% CPU Seeks/sec: 709.3, 5.8% CPU This is using 256-bit AES with a VPN1401 Soekris board. There's a definite improvement in throughput. Nick
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