To be fair, the GIL wasn't included because it was a simple threading model (AFAIK). It was included because it was simple to implement and it was/is fast(er)

To be fair, the GIL wasn't included because it was a simple threading model (AFAIK). It was included because it was simple to implement and it was/is fast(er) (than removing it)[1][2]. If the Gilectomy [2] project succeeds, Guido has mentioned he would consider it for Python3.6+ [3]. [1] http://www.artima.com/weblogs/viewpost.jsp?thread=214235 http://www.artima.com/weblogs/viewpost.jsp?thread=214235 [2] https://www.youtube.com/watch?v=P3AyI_u66Bw https://www.youtube.com/watch?v=P3AyI_u66Bw [3] https://youtu.be/YgtL4S7Hrwo?t=10m59s https://youtu.be/YgtL4S7Hrwo?t=10m59s