deserialize_bench.rb

deserialize_bench.rb

require 'benchmark'
require 'json'
require 'active_support/notifications'
require 'active_support/cache'

array = (1..1000).map { rand }
TIMES = 1000

Benchmark.bmbm do |x|
  cache = ActiveSupport::Cache::FileStore.new("./tmp/cache")
  cache.write("array", array)
  x.report("ActiveSupport::Cache::FileStore") { TIMES.times { cache.read("array") } }

  json = array.to_json;
  x.report("JSON.parse") { TIMES.times { JSON.parse(json) } }

  dump = Marshal.dump(array);
  x.report("Marshal")  { TIMES.times { Marshal.load(dump) } }
end

__END__
Rehearsal -------------------------------------------------------------------
ActiveSupport::Cache::FileStore   0.919142   0.003467   0.922609 (  0.922660)
JSON.parse                        0.698001   0.083742   0.781743 (  0.781774)
Marshal                           0.759887   0.000063   0.759950 (  0.759991)
---------------------------------------------------------- total: 2.464302sec

                                      user     system      total        real
ActiveSupport::Cache::FileStore   0.894407   0.003877   0.898284 (  0.898354)
JSON.parse                        0.717439   0.035830   0.753269 (  0.753309)
Marshal                           0.781801   0.000000   0.781801 (  0.781836)