$ ruby benchmark.rb
Calculating -------------------------------------
haml 847.000 i/100ms
slim 5.062k i/100ms
erb 2.008k i/100ms
react 967.000 i/100ms
-------------------------------------------------
haml 8.628k (±14.7%) i/s - 42.350k
slim 53.269k (± 5.1%) i/s - 268.286k
erb 19.588k (±10.5%) i/s - 98.392k
react 9.717k (±13.0%) i/s - 48.350k
Comparison:
slim: 53269.2 i/s
erb: 19588.4 i/s - 2.72x slower
react: 9717.0 i/s - 5.48x slower
haml: 8628.3 i/s - 6.17x slower