The Many-Faced Future

The future package defines the Future API, which is a unified, generic, friendly API for parallel processing. The Future API follows the principle of write code once and run anywhere - the developer chooses what to parallelize and the user how and where. The nature of a future is such that it lends itself to be used with several of the existing map-reduce frameworks already available in R. In this post, I’ll give an example of how to apply a function over a set of elements concurrently using plain sequential R, the parallel package, the future package alone, as well as future in combination of the foreach, the plyr, and the purrr packages.

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Henrik Bengtsson

MSc CS | PhD Math Stat | Associate Professor | R

Associate Professor