Programs that do this shouldn't be released

Programs that use a lot of CPU? How else do you think they're able to do all that sophisticated analysis of your code that warrants a license purchase?

History is on their side anyway; 300% CPU loosely[0] means "using 3 cores", and it's getting easier to get computers with more than that.

[0] http://apple.stackexchange.com/questions/5329/what-does-it-m...

What version are you running? Have you tried File->Invalidate Caches?