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Python: A Response to Glyph's Blog Post on Concurrency

If you haven't seen it yet, Glyph wrote a great blog post on concurrency called Unyielding. This blog post is a response to that blog post.Over the years, I've tried each of the approaches he talks about while working at various companies. I've known all of the arguments for years. However, I think his blog post is the best blog post I've read for the arguments he is trying to make. Nice job, Glyph!In particular, I agree with his statements:What I hope I’ve demonstrated is that if you agree with me that threading has problematic semantics, and is difficult to reason about, then there’s no particular advantage to using microthreads, beyond potentially optimizing your multithreaded code for a very specific I/O bound workload.There are no shortcuts to making single-tasking code concurrent. It's just a hard problem, and some of that hard problem is reflected in the difficulty of typing a bunch of new concurrency-specific code.In this blog post, I'm not really dispu…