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Question: What is the benefit of option threadsafe for a non-compiled procedure?

Question:What is the benefit of option threadsafe for a non-compiled procedure?

Carl Love 27579 Maple 2020
procedure threadsafe
May 11 2020
3

The help for option threadsafe (on page ?option) includes this sentence: 

  • Portions of the kernel may recognize this option and allow the procedure to be called in multiple threads simultaneously.

Huh? What exactly does that mean? Isn't it already capable of being called in multiple threads simultaneously?

I understand the significance of this option for procedures to be compiled, mentioned later in the same paragraph. But is there any benefit for a non-compiled procedure that will be used in multithreaded code? If my code has numerous one-liner arrow procedures, is there any point to cluttering up my code by turning them all into procs with option threadsafe? (Y'all know how I hate cluttered code.)
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