Ruby Benchmark example script

SUBMITTED BY: Guest

DATE: May 22, 2015, 12:03 p.m.

FORMAT: Ruby

SIZE: 491 Bytes

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require 'benchmark'

n = 12352834
t = 40000

Benchmark.bm do |x|
  x.report("Split map") do
    t.times { n.to_s.split('').map(&:to_i) }
  end

  x.report("chars") do
    t.times { n.to_s.chars.map(&:to_i) }
  end

  x.report("each byte") do
    t.times { n.to_s.each_byte.map { |x| x - 48 } }
  end

  x.report("Numerical") do
    t.times { (0..Math.log10(n).to_i).map { |dp| n / 10 ** dp % 10 }.reverse }
  end
end