Terminal Colors Benchmark: paint, rainbow, term/ansicolor, pastel, ansi, hansi

terminal-ansi-colors-benchmark.md

Benchmark Code: https://github.com/janlelis/paint/blob/main/benchmark.rb

# TERMINAL ANSI COLORS BENCHMARK

  ruby: 3.1.2
  paint: 2.3.0
  rainbow: 3.1.1
  term/ansicolor 1.7.1
  pastel 0.8.0
  ansi 1.5.0
  hansi 0.2.0

## ONLY FOREGROUND COLOR

Warming up --------------------------------------
               paint   155.853k i/100ms
    paint w/ nesting   172.652k i/100ms
             rainbow    25.968k i/100ms
      term/ansicolor     8.290k i/100ms
              pastel    18.861k i/100ms
                ansi   128.658k i/100ms
               hansi    13.906k i/100ms
Calculating -------------------------------------
               paint      1.767M (±11.8%) i/s -      8.728M in   5.026299s
    paint w/ nesting      1.447M (±12.1%) i/s -      7.251M in   5.094970s
             rainbow    229.656k (±10.6%) i/s -      1.143M in   5.034315s
      term/ansicolor     77.457k (±10.5%) i/s -    389.630k in   5.090180s
              pastel    176.023k (±10.5%) i/s -    886.467k in   5.095974s
                ansi      1.180M (±11.5%) i/s -      5.918M in   5.088074s
               hansi    128.376k (±11.7%) i/s -    639.676k in   5.056913s

Comparison:
               paint:  1766502.5 i/s
    paint w/ nesting:  1446663.0 i/s - same-ish: difference falls within error
                ansi:  1179723.2 i/s - 1.50x  (± 0.00) slower
             rainbow:   229655.6 i/s - 7.69x  (± 0.00) slower
              pastel:   176022.6 i/s - 10.04x  (± 0.00) slower
               hansi:   128375.5 i/s - 13.76x  (± 0.00) slower
      term/ansicolor:    77457.0 i/s - 22.81x  (± 0.00) slower


## FOREGROUND + BACKGROUND COLOR

Warming up --------------------------------------
               paint    77.983k i/100ms
    paint w/ nesting    90.350k i/100ms
             rainbow    13.089k i/100ms
      term/ansicolor     4.030k i/100ms
              pastel    14.714k i/100ms
Calculating -------------------------------------
               paint    937.918k (±10.4%) i/s -      4.679M in   5.051853s
    paint w/ nesting    816.568k (±12.3%) i/s -      4.066M in   5.061721s
             rainbow    120.536k (±11.3%) i/s -    602.094k in   5.064829s
      term/ansicolor     36.968k (±11.5%) i/s -    185.380k in   5.086501s
              pastel    136.340k (±10.1%) i/s -    676.844k in   5.017729s

Comparison:
               paint:   937918.2 i/s
    paint w/ nesting:   816568.2 i/s - same-ish: difference falls within error
              pastel:   136340.5 i/s - 6.88x  (± 0.00) slower
             rainbow:   120535.9 i/s - 7.78x  (± 0.00) slower
      term/ansicolor:    36967.6 i/s - 25.37x  (± 0.00) slower

On Ruby 3.3 with latest gem versions

# TERMINAL ANSI COLORS BENCHMARK

  ruby: 3.3.0
  paint: 2.3.0
  rainbow: 3.1.1
  term/ansicolor 1.7.1
  pastel 0.8.0
  ansi 1.5.0
  hansi 0.2.1

## ONLY FOREGROUND COLOR

ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]
Warming up --------------------------------------
               paint   370.390k i/100ms
    paint w/ nesting   299.070k i/100ms
             rainbow    46.246k i/100ms
      term/ansicolor    18.406k i/100ms
              pastel    39.146k i/100ms
                ansi   236.789k i/100ms
               hansi    24.617k i/100ms
Calculating -------------------------------------
               paint      3.596M (± 0.8%) i/s -     18.149M in   5.046661s
    paint w/ nesting      2.933M (± 1.2%) i/s -     14.954M in   5.099293s
             rainbow    456.926k (± 3.6%) i/s -      2.312M in   5.067824s
      term/ansicolor    179.070k (± 3.3%) i/s -    901.894k in   5.042111s
              pastel    378.140k (± 2.8%) i/s -      1.918M in   5.076893s
                ansi      2.332M (± 2.3%) i/s -     11.839M in   5.080143s
               hansi    242.015k (± 1.8%) i/s -      1.231M in   5.087646s

Comparison:
               paint:  3596486.1 i/s
    paint w/ nesting:  2932872.0 i/s - 1.23x  slower
                ansi:  2331831.6 i/s - 1.54x  slower
             rainbow:   456925.9 i/s - 7.87x  slower
              pastel:   378140.5 i/s - 9.51x  slower
               hansi:   242014.9 i/s - 14.86x  slower
      term/ansicolor:   179070.1 i/s - 20.08x  slower


## FOREGROUND + BACKGROUND COLOR

ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]
Warming up --------------------------------------
               paint   155.370k i/100ms
    paint w/ nesting   147.637k i/100ms
             rainbow    22.248k i/100ms
      term/ansicolor     8.547k i/100ms
              pastel    30.476k i/100ms
Calculating -------------------------------------
               paint      1.591M (± 0.8%) i/s -      8.079M in   5.077775s
    paint w/ nesting      1.477M (± 3.8%) i/s -      7.382M in   5.006203s
             rainbow    219.552k (± 6.4%) i/s -      1.112M in   5.089242s
      term/ansicolor     80.368k (± 6.8%) i/s -    401.709k in   5.024147s
              pastel    309.032k (± 2.6%) i/s -      1.554M in   5.033123s

Comparison:
               paint:  1591197.4 i/s
    paint w/ nesting:  1476814.6 i/s - 1.08x  slower
              pastel:   309032.4 i/s - 5.15x  slower
             rainbow:   219552.3 i/s - 7.25x  slower
      term/ansicolor:    80368.5 i/s - 19.80x  slower

@ixti Thanks!