Rigo: Multicore Programming in PyPy and CPython

PyPy developer Armin Rigo describes his vision for parallel programming in higher-level languages. "We often hear about people wanting a version of Python running without the Global Interpreter Lock (GIL): a 'GIL-less Python'. But what we programmers really need is not just a GIL-less Python --- we need a higher-level way to write multithreaded programs than using directly threads and locks. One way is Automatic Mutual Exclusion (AME), which would give us an 'AME Python'."

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