callr: callr futures

In future.callr: A Future API for Parallel Processing using 'callr'

callr futures

Description

WARNING: This function must never be called. It may only be used with future::plan()

Usage

callr(
  ...,
  workers = availableCores(),
  supervise = FALSE,
  envir = parent.frame()
)

Arguments

workers	The number of processes to be available for concurrent callr futures.
supervise	(optional) Argument passed to callr::r_bg().
envir	The environment from where global objects should be identified.
...	Additional arguments passed to Future().

Details

A callr future is an asynchronous multiprocess future that will be evaluated in a background R session.

callr futures rely on the callr package, which is supported on all operating systems.

Value

An object of class CallrFuture.

future.callr documentation built on Aug. 8, 2025, 7:52 p.m.