Map, Reduce, Filter

time to read 1 min | 69 words

Dustin Campbell has a couple of posts about Map/Reduce/Filter:

He makes it easy to understand, but he forgot one thing that is important, usage of the Map/Reduce/Filter pattern make it very easy to parallelize your code, since you have already separated everything into an action on a set, which can be performed in parallel safely (in most cases).