Bash - A faster way to delete millions of files in a directory

mkdir empty && rsync -r --delete empty/ some-dir && rmdir some-dir : '#1 10.60, 1.31 ' rsync -a –delete empty/ a : '#2 28.51, 14.46 ' find b/ -type f -delete : '#3 41.69, 20.60 ' find c/ -type f | xargs -L 100 rm : '#4 34.32, 27.82 ' find d/ -type f | xargs -L 100 -P 100 rm : '#5 31.29, 14.80 ' rm -rf f