If I had the code-fu, I'd love to write a JIT for SIMH, imagine the performance we could get out of it with that... Sampsa On 28 Nov 2010, at 22:18, Mark Wickens wrote: Still doesn't run as fast as a 3 Ghz NVAX processor. Oh wait, that was only in my dreams.... (did some rough-as comparisons a while back and came to the conclusion that Intel Core Duo and VAX processors were roughly the same performance Hz to Hz). Mark.