this also makes every benchmark script executable
Calculating ------------------------------------- parallel assignment 126425 i/100ms multi-line assignment 136492 i/100ms ------------------------------------------------- parallel assignment 6382145.2 (±10.1%) i/s - 31606250 in 5.006184s multi-line assignment 9281041.8 (±11.7%) i/s - 45724820 in 5.001599s