search for: deparallel

...ng in R. As I am preparing the next update of this package I have come across the following: For grouping, 'collapse' uses the function 'GRP', and efficient wrapper around data.table:::forderv for fast radix sort based grouping. To do this the source code for forderv was copied and deparallelized. Now I realized that an earlier deparallelized version of forderv is already fully available in base R: https://github.com/wch/r-source/blob/5a156a0865362bb8381dcd69ac335f5174a4f60c/src/main/radixsort.c This function is called in base::order(..., method = "radix"). I was mildly aware...