Found this on LinuxQuestions.org years and years ago, and it’s still one of the most useful oneliners in my inventory. Whoever you are vamsi_k, thank you.
ps -e -orss=,args= | sort -b -k1,1n | pr -TW$COLUMNS
Gist:
https://gist.github.com/mkell43/a3f66877384cff6b40f08f1314b238c4
Raw Gist:
https://gist.github.com/mkell43/a3f66877384cff6b40f08f1314b238c4/raw/c4f58043baf484810b815d9f3b45aab16b97c379/mem-per-proc.sh