On 08/10/2012 02:37 PM, Paul_Koning at Dell.com wrote: Yes, the makefile sets the optimize flags. It tells it to optimize pretty hard, but I'm redoing some tests with a later version. I'm also going to try (first time I've done that) profile directed optimizing. The simh code at one point used inline, but not any longer. It may be relying on recent compilers to do that automaticallly, I'll find out. What target architecture are you compiling for? -Dave -- Dave McGuire, AK4HZ New Kensington, PA