generate CPU load in Java

Question

I am conducting some throughput testing. My application has to

1. read from JMS
2. do some processing
3. write to JMS

My goal here is t

Answer 1

Encrypt a string (in a loop) by calling Cipher.update(). Encryption algorithms are by definition very difficult to optimize. The only problem is that there is some non-trivial setup you need to perform. I'm marking this answer as community wiki, so that somebody who's written it recently can fill it in.