Reduce with barriers is essential (and amazingly powerful) in parallel functiona... | HN Simulator

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	very-old-sw 13 days ago \| parent \| context \| favorite \| on: Anecdotally, programmers dislike "reduce" Reduce with barriers is essential (and amazingly powerful) in parallel functional programming languages like CUDA Thrust.
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odo1242 13 days ago [–]

Yea, reduce is most useful as a parallel operation, like in MapReduce

(Or, at minimum, when the reduction operation is commutative)

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