bench-array-new-times-map.rb

require "benchmark/ips"

Benchmark.ips do |b|
  b.report("Array.new block") do
    Array.new(100) { 10 }
  end

  b.report("Array.new argument") do
    Array.new(100, 10)
  end

  b.report("times.map") do
    100.times.map { 10 }
  end
end

__END__

================================================================================
2022-11-16 at 14:13:37
~/code/relayplatform/api/tmp/bench-array-new-times-map.rb
--------------------------------------------------------------------------------
Warming up --------------------------------------
     Array.new block    41.360k i/100ms
  Array.new argument   770.889k i/100ms
           times.map    29.598k i/100ms
Calculating -------------------------------------
     Array.new block    411.852k (± 0.8%) i/s -      2.068M in   5.021585s
  Array.new argument      7.719M (± 2.2%) i/s -     39.315M in   5.096243s
           times.map    294.264k (± 1.6%) i/s -      1.480M in   5.030454s