-rw-r--r-- 262 djbsort-20180729/compilers/c
gcc -fPIC -Wall -fomit-frame-pointer -fwrapv -march=core-avx2 -O3 gcc -fPIC -Wall -fomit-frame-pointer -fwrapv -O3 clang -fPIC -Wall -fomit-frame-pointer -fwrapv -Qunused-arguments -mavx2 -O3 clang -fPIC -Wall -fomit-frame-pointer -fwrapv -Qunused-arguments -O3