tomfakes

require "benchmark/ips"

#####

def fizz_buzz_text(num)
  result = ''
  result += 'Fizz' if (num % 3).zero?
  result += 'Buzz' if (num % 5).zero?
  result.empty? ? num.to_s : result
end

tomfakes

Warming up --------------------------------------
       pathname join     5.643k i/100ms
       string iterp.   252.100k i/100ms
Calculating -------------------------------------
       pathname join     57.791k (± 4.4%) i/s -    293.436k in   5.086740s
       string iterp.      3.994M (± 2.1%) i/s -     20.168M in   5.051901s

Comparison:
       string iterp.:  3993877.9 i/s
       pathname join:    57791.3 i/s - 69.11x  slower

tomfakes

require "benchmark/ips"

Benchmark.ips do |x|
  x.config(:time => 5, :warmup => 2)

  # To reduce overhead, the number of iterations is passed in
  # and the block must run the code the specific number of times.
  # Used for when the workload is very small and any overhead
  # introduces incorrectable errors.
  x.report("add-if-not-nil") do |times|