https://bugs.winehq.org/show_bug.cgi?id=45761
--- Comment #8 from Lunknown SolisX007@yahoo.com ---
Well, it's expected that enabling csmt will increase CPU utilisation. You might >even say desired. Perhaps there's room for improvement, but I wouldn't consider >that a regression.
Also using more of the cpu means more heat. I like to keep my system as cool as possible.