Issue Core Park Utility.
The link you give is the older one. There is a new beta. Not sure if you tested it yet or advise using the older one (if it is available) Might want to take a peek at this to see if it is something you want. Also it doesn't state it is setup for Windows 10 ;). Could cause some problems if tested for 7, 8, 8,1
http://coderbag.com/Programming-C/CPU-core-parking-manager