On Mon, Jul 03, 2017 at 12:03:26AM +0200, Alexander Dahl wrote: > On Sun, Jul 02, 2017 at 10:30:30PM +0200, Clemens Gruber wrote: > > I am wondering about the performance improvements when using the > > cryptodev openssl engine. There must be some cost for the context > > switches, but this is probably outweighed by the offloading. > > Did you for example run openssl speed aes-128-cbc before and after? > > And on what platform did you try it? > > fli4l [1] uses cryptodev and the experience there is, it depends on > the platform. Some platforms benefit a lot, especially for OpenVPN, > others not so much. Depends on what the CPU offers and how fast the > system in general is.
Do you know why the module is not in mainline? Is there a discussion where the kernel maintainers motivate why they don't like this solution? rsc -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ ptxdist mailing list ptxdist@pengutronix.de
