[Soekris] VPN throughput on 5501s

Jan Ceuleers jan.ceuleers at computer.org
Tue Sep 18 18:17:53 UTC 2007


der Mouse wrote:
> I put "accelerator" in quotes because I found that, in those tests,
> using the crypto hardware (a 1411, I think it was) actually impaired
> throughput.  Apparently the penalty of crossing the kernel/user
> boundary outweighed the benefit from the crypto hardware.

I kind of like the approach taken by Via: they built crypto acceleration 
into the CPU so that it can be used both in the kernel and in userland 
without penalty.

Cheerz, Jan


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