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Re: [Openvpn-users] Re: Hardware Crypto and LZO offloading and a few other misc questions...


  • Subject: Re: [Openvpn-users] Re: Hardware Crypto and LZO offloading and a few other misc questions...
  • From: uml <uml@xxxxxxxxx>
  • Date: Fri, 26 Nov 2004 23:32:08 -0500

> I'm not sure that it'd be worthwhile. LZO is *extremely* fast, even on-CPU
> (16-20MB/s on a Pentium 133) -- fast enough that the traffic on the
> PCI bus created by offloading it would almost certainly be much more
> expensive than the cost of just doing the work on the CPU.

Thanks for the heads-up, Charles -- in light of the system it's running on,
I've decided not to bother with LZO offloading, and stick with SSL only.

I'll post performance benchmarks soon, toggling the sysctl flags on/off on
OpenBSD 3.6 with dual Xeons.


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