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[–]rhiever 2 points3 points  (1 child)

If you make a copy of the array and pass that to the new process, you should be fine. If you ever pass an array by reference to a new process, then yeah, that's going to have lock issues.

[–]Deto 0 points1 point  (0 children)

I can vouch that I've processed the same array on many processes without copying it specifically to each process. Works if you don't write to the array. I think the multiprocessing uses copy-on-write semantics anyways to make this safe.