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Author: Tmonster

R-arrow/setup-R-arrow.sh

@@ -3,6 +3,7 @@ set -e
 
 # install stable arrow
 mkdir -p ./R-arrow/r-arrow
-Rscript -e 'install.packages(c("arrow","dplyr"), lib="./R-arrow/r-arrow")'
+ncores=`python3 -c 'import multiprocessing as mp; print(mp.cpu_count())'`
+MAKE="make -j$ncores" Rscript -e 'install.packages(c("arrow","dplyr"), lib="./R-arrow/r-arrow")'
 
 ./R-arrow/ver-R-arrow.sh