I've tested jorg with the Example you provided with 1, 2 and 4 Cores and the CPU Efficiency is only at 100% with 1 Thread.
Parameter defaults to 1
added to help
also removed some trailing whitespaces, sorry for that :)
added tag v1.0.0
planned to provide a Easybuild for the communtiy and don't want to use the Git URL of my fork but I've no problem when you don't want to integrate my changes