Opal truthiness benchmark

opal-truthiness-benchmark.rb

require 'opal'

def benchmark message, duration=5, &block
  measured = 0
  count = 0
  while measured < duration
    start = Time.now
    block.call
    finish = Time.now
    measured += finish - start
    count += 1
  end
  `document.write("<div>" + message + ": " + count + "</div>")`
end

benchmark "if true" do
  if true
  end
end

benchmark "if truthy value" do
  if 1
  end
end

benchmark "if false" do
  if false
  end
end

benchmark "if nil" do
  if nil
  end
end

# Current master:
# if true        : 19,636,814
# if truthy value: 17,418,954
# if false       : 15,485,197
# if nil         : 17,246,398

# if foo != nil && foo != false 
# if true        : 22,655,235
# if truthy value: 23,646,471
# if false       : 23,254,342
# if nil         : 23,458,954