Bill Sommerfeld wrote:

> Recently there was a post to netbsd-users regarding poor
> rsa/ssh/etc. performance on sun4m systems.
> 
> sun4m and later systems support version 8 of the sparc architecture
> set.  among other things, this includes an integer multiply
> instruction.  
> 
> when i recently upgraded an SS10 to a new version of ssh, I noticed
> really bad performance; then I realized that my most recent build had
> left out the -mv8 option.. so I built a v8 version of libcrypto, ran
> some A/B tests, and saw a 10x improvement for some RSA operations.  

This more-or-less get's back to the "how do we select a particular
version of a library at runtime" thing that cropped up a while ago
when we were talking about extending the /etc/ld.so.conf method...

Simon.
--
Simon Burge                            <simonb@wasabisystems.com>
NetBSD CDs, Support and Service:    http://www.wasabisystems.com/