benchark_prime_factors.rb

benchmark_factors.rb

Benchmark.bmbm do |x|
  x.report('prime_factors') do
    100.times { prime_factors(9000) }
  end
  x.report('prime_factors_iterative') do
    100.times { prime_factors_iterative(9000) }
  end
end
#                               user     system      total        real
# prime_factors             0.010000   0.000000   0.010000 (  0.002087)
# prime_factors_iterative   0.000000   0.000000   0.000000 (  0.001386)