require 'active_support/core_ext/object/inclusion' if ARGV.first.in?([nil, "-h", "--help"]) puts "Usage: rails benchmarker [times] 'Person.expensive_way' 'Person.another_expensive_way' ..." exit 1 end begin N = Integer(ARGV.first) ARGV.shift rescue ArgumentError N = 1 end require 'benchmark' include Benchmark # Don't include compilation in the benchmark ARGV.each { |expression| eval(expression) } bm(6) do |x| ARGV.each_with_index do |expression, idx| x.report("##{idx + 1}") { N.times { eval(expression) } } end end