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0 pointsrfoo2y ago0 comments

Prefix scan is not embarrassingly parallel. Yet OP's statement still works when you change it to scanl (+) 0 [0 1 2 3]

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1 comments · 1 top-level

That requires + to be associative. And scan is one of the core skeletons of parallel skeletons, so obviously if you express everything as parallel skeletons, parallel programming remains manageable.

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