bench_dig.rb

require 'benchmark/ips'

puts RUBY_DESCRIPTION

array = [[[[[[[[[[[14]]]]]]]]]]]

Benchmark.ips do |x|
  x.report('dig-01') {|i| while i>0; i-=1; array.dig(0); end }
  x.report('dig-02') {|i| while i>0; i-=1; array.dig(0, 0); end }
  x.report('dig-03') {|i| while i>0; i-=1; array.dig(0, 0, 0); end }
  x.report('dig-04') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0); end }
  x.report('dig-05') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0); end } # easy to find examples this long
  x.report('dig-06') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0, 0); end }
  x.report('dig-07') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0, 0, 0); end }
  x.report('dig-08') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0, 0, 0, 0); end } # possible to find examples this long
  x.report('dig-09') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0, 0, 0, 0, 0); end }
  x.report('dig-10') {|i| while i>0; i-=1; array.dig(0, 0, 0, 0, 0, 0, 0, 0, 0, 0); end }
  x.compare!
end

results.txt

These numbers are in iterations per second.

Before (asCollector):

              dig-01     21.941M (± 8.0%) i/s -    109.100M in   5.009685s
              dig-02     19.852M (±11.7%) i/s -     98.315M in   5.051134s
              dig-03     14.844M (±10.7%) i/s -     74.098M in   5.054806s
              dig-04     13.658M (± 7.5%) i/s -     68.358M in   5.033005s
              dig-05     12.225M (± 8.0%) i/s -     61.502M in   5.065112s
              dig-06     11.466M (± 5.7%) i/s -     57.320M in   5.016439s
              dig-07     10.479M (± 4.6%) i/s -     52.376M in   5.008984s
              dig-08      8.805M (± 7.2%) i/s -     44.258M in   5.052483s
              dig-09      8.658M (± 8.7%) i/s -     43.382M in   5.053520s
              dig-10      8.336M (± 9.1%) i/s -     41.584M in   5.040264s

After (collectArguments):

              dig-01     86.627M (±13.0%) i/s -    425.185M in   5.015319s
              dig-02     69.060M (± 6.9%) i/s -    347.973M in   5.064471s
              dig-03     32.177M (±11.4%) i/s -    159.695M in   5.046041s
              dig-04     27.283M (± 7.7%) i/s -    137.671M in   5.078526s
              dig-05     21.859M (± 5.6%) i/s -    110.144M in   5.054894s
              dig-06     19.737M (± 8.2%) i/s -     98.814M in   5.043686s
              dig-07     15.043M (±11.7%) i/s -     74.727M in   5.050454s
              dig-08     16.181M (± 7.6%) i/s -     80.414M in   5.004321s
              dig-09     13.739M (± 5.8%) i/s -     69.735M in   5.093540s
              dig-10     13.340M (± 5.8%) i/s -     67.908M in   5.109316s