A phenomenon I’ve noticed: If a proposed parallel extension to a language doesn’t provide speedups to programs that are greater than the speedups that users would get by just rewriting those programs in a different language, the extension is probably doomed.
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In other words, if the GIL is your problem, you already have an even bigger Python problem. But is that just an artifact of the specific lang impls we happen to have or a fundamental property? What about concurrency in OCaml where single-threaded perf is actually pretty good?
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Single-threaded perf in OCaml isn’t good enough as far as I’ve seen. Remember, we still only have 2 or 4 cores.
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Well,
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