Traditionally processes were very expensive to start on windows, threads very cheap. On linux its much of a muchness (or was, probably still is). Windows would

Traditionally processes were very expensive to start on windows, threads very cheap. On linux its much of a muchness (or was, probably still is). Windows would be less then that per thread, probably more per process. But I am thinking back to 2003-ish data ! (really should try some experiments again).