On Tue, 4 May 2004, Eugene Surovegin wrote: > In short, my experience showed that without significant changes in current > implementation, e.g. adding async crypto, adding hardware crypto is worth only > for relatively slow CPUs, e.g. less than 1Ghz, and even with slow processor > overhead can be so big, that short packets are better processed by software > path. Yes, have a look at the OpenBSD paper at http://www.openbsd.org/papers/ocf.pdf Their results show marked performance improvements for larger packets (even though the packets are making multiple trips across the PCI bus), and they suggest batching smaller packets. - James -- James Morris <jmorris@xxxxxxxxxx> - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/
