It was designed for both users and hackers.
Normal users can use command line options to enable or disable particular performance features.
Hackers can use debug mode to examine and modify individual control registers. Warning Use at your own risk - absolutely no warranty. Please report all program bugs to me. I had to make many significant changes to the code and had no time to test it, so I count on your help. History and features After releasing version 1.0, supporting only 5x86, I have received many requests for the description of particular feature bits.