Demo some python multiprocessing issues and tricks
00_notebook vs script.ipynb: Difference between interactive and script mode.
01_process_startmethod.ipynb: Difference between fork and spawn.
02_notebook_childprocess.ipynb: main module in notebook newly spawned process
03_dataloader.ipynb: Pytorch Dataloader example of multi workers.
04_resnet.ipynb: example of using fastai API with multiple workers.
05_labmda.ipynb one example of pickle serialization limitation