Hi Vincent,

On Thu, Jan 10, 2013 at 12:15:44AM +0100, Vincent Bernat wrote:
>  ???  5 janvier 2013 09:06 CET, Willy Tarreau <[email protected]> :
> 
> > Did you get a significant performance gain with padlock ? I've not had
> > the chance to test one yet. I don't even know if it requires an engine
> > or not. At least with aes-ni, it's included in the native code, you
> > don't need the engine (and the perf gain is impressive, we achieved
> > 5 Gbps of AES256 per core).
> 
> Hi Willy!
> 
> It depends how AES-NI is compiled in your OpenSSL. On Ubuntu, AES-NI
> support is builtin and selected automatically. But if people are using
> implementations from Intel for older versions of OpenSSL, the engine
> needs to be selected by hand. See:
>  
> https://groups.google.com/forum/?fromgroups=#!msg/mailing.openssl.dev/Z8PwfK53C2E/pdkktMcnpAEJ

Interesting. Are these implementations still in use ? This seems more
like early experimentations than definitive releases to me. I don't
know if such versions were shipped in any LTS distro, so most likely
they'll quickly disappear. Am I wrong ?

Regards,
Willy


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