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Recent changes to the Parsl code base made the sample Parsl config in our docs for Polaris un-runnable (see: Parsl/parsl#2828).
Also, there have been improvements added to Parsl in the past 12 months that make the use of Parsl on Polaris better (for example, the use of
spawn
rather thanfork
when using the python multiprocessing library to create new processes on a node and an option for reversing the order of hardware threads relative to GPUs that Parsl assigns). These improvements have now been added to the sample config.