What is associativity and why is it useful in parallel programming?

What this episode covers

Associativity is an algebraic property that enables us to easily break up a job into smaller jobs, do the jobs, then recombine the results. Associativity is the essence of composition. In this video, we go over what associativity is, why we want to use it, when to use it, and 3 keys for making an operation associative.

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