Benchmark calling speed

speed.rb

#!/usr/bin/env ruby
require 'benchmark/ips'

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

  def block_call &block
    block.call
  end

  def block_yield
    yield
  end

  x.report("block call") { block_call {} }
  x.report("block yield") { block_yield {} }
  x.report("proc call") { proc {}.call }
  x.report("lambda call") { -> {}.call }
  x.report("call Lambda as block") { block_call &->{} }
  x.report("yield lambda as block") { block_yield &->{} }
end