gistfile1.txt

$ time gcc test.c
gcc test.c  0.02s user 0.18s system 69% cpu 0.293 total

$ time emcc test.c
emcc test.c  0.48s user 0.15s system 85% cpu 0.749 total

$ time ./a.out
Name: James Newton, Age: 21, Eye color: brown, Hair color: brown
./a.out  0.00s user 0.00s system 62% cpu 0.003 total

$ time node a.out.js
Name: James Newton, Age: 21, Eye color: brown, Hair color: brown

node a.out.js  0.10s user 0.03s system 20% cpu 0.629 total