children Low-level Functions for Management of Forked Processes clusterApply Apply Operations using Clusters detectCores Detect the Number of CPU Cores makeCluster Create a Parallel Socket Cluster mcaffinity Get or Set CPU Affinity Mask of the Current Process mcfork Fork a Copy of the Current R Process mclapply Parallel Versions of 'lapply' and 'mapply' using Forking mcparallel Evaluate an R Expression Asynchronously in a Separate Process nextRNGStream Implementation of Pierre L'Ecuyer's RngStreams parallel-package Support for Parallel Computation pvec Parallelize a Vector Map Function using Forking splitIndices Divide Tasks for Distribution in a Cluster