The concurrent garbage collector has been already written. It probably has bugs, but the basis has been done for the STM effort and redone now. The mess of race

The concurrent garbage collector has been already written. It probably has bugs, but the basis has been done for the STM effort and redone now. The mess of race conditions is surely not a great place to start, which is why it would take a man year to finish :-) I don't see a much better starting point tbh, but to look at all the mutable data structures in python (of which there are too many) and try hard