Running R code in parallel


Marie-Hélène Burle

Base R: parallel package

The parallel package has been part of the base package group since R version 2.14.0.
This means that it is comes with R, however it needs to be loaded in a session before its content can be accessed:


Most parallel approaches in R build on this package.

All other packages mentioned in this lesson are external packages and need to be installed with install.packages().

parallelly package

The parallelly package—part of the futureverse suite of packages developed by Henrik Bengtsson—adds functionality to the parallel package.