Shell benchmark

gistfile1.txt

$ grep bin /etc/shells | while read -r s; do hyperfine --warmup 3 "$s -i -c 'exit 0'"; done

Benchmark 1: /bin/bash -i -c 'exit 0'
  Time (mean ± σ):       2.3 ms ±   0.1 ms    [User: 0.5 ms, System: 1.2 ms]
  Range (min … max):     2.0 ms …   2.6 ms    656 runs
 
Benchmark 1: /bin/csh -i -c 'exit 0'
  Time (mean ± σ):       2.3 ms ±   0.1 ms    [User: 0.6 ms, System: 1.0 ms]
  Range (min … max):     2.0 ms …   3.8 ms    711 runs
 
Benchmark 1: /bin/dash -i -c 'exit 0'
  Time (mean ± σ):       0.7 ms ±   0.1 ms    [User: 0.2 ms, System: 0.3 ms]
  Range (min … max):     0.5 ms …   0.9 ms    1201 runs
 
Benchmark 1: /bin/ksh -i -c 'exit 0'
  Time (mean ± σ):       1.0 ms ±   0.1 ms    [User: 0.3 ms, System: 0.5 ms]
  Range (min … max):     0.8 ms …   3.4 ms    1085 runs
 
Benchmark 1: /bin/sh -i -c 'exit 0'
  Time (mean ± σ):       2.1 ms ±   0.1 ms    [User: 0.5 ms, System: 0.9 ms]
  Range (min … max):     1.8 ms …   3.0 ms    760 runs
 
Benchmark 1: /bin/tcsh -i -c 'exit 0'
  Time (mean ± σ):       2.3 ms ±   0.1 ms    [User: 0.6 ms, System: 1.0 ms]
  Range (min … max):     2.1 ms …   2.8 ms    723 runs
 
Benchmark 1: /bin/zsh -i -c 'exit 0'
  Time (mean ± σ):      70.4 ms ±   0.8 ms    [User: 34.5 ms, System: 30.2 ms]
  Range (min … max):    69.4 ms …  73.0 ms    42 runs