Ruby 2.0 lazy enumerators bigger collection performance

enum_perf_big.rb

require "benchmark"
include Benchmark

values = (0..1000).to_a

bm(10) do |bench|
   bench.report("regular") do
      values.map { |x| x * 10 }.select { |x| x > 30 } 
   end
   bench.report("lazy") do
      values.lazy.map { |x| x * 10 }.select { |x| x > 30 } 
   end
end

#                  user     system      total        real
# regular      0.000000   0.000000   0.000000 (  0.000229)
# lazy         0.000000   0.000000   0.000000 (  0.000018)