Benchmark1

Benchmark.rb

#!/usr/bin/env ruby
require './hadope'
require 'benchmark'

puts "Problem, mapping an addition (or two) to a large Array"

Hadope::set_device Hadope::CPU
input = (1..10_000_000).to_a
ruby = Benchmark.realtime {
  last = input.map { |i| i + 1 }.map { |j| j + 1 }.last
  puts "Ruby says last result is #{last}"
}

opencl = Benchmark.realtime {
  last = input[Integers].map(i:'i + 1').map(j:'j + 1')[Fixnums].last
  puts "OpenCL says last result is #{last}"
}

puts "Ruby: #{ruby.inspect}, OpenCL: #{opencl.inspect}"

=begin
  λ  HaDope git:(master) ✗ ./Benchmark.rb
  Problem, mapping an addition (or two) to a large Array
  Ruby says last result is 10000002
  OpenCL says last result is 10000002
  Ruby: 1.503207, OpenCL: 0.270248
=end