JSON vs BSON

serialize.rb

#!/usr/bin/env ruby
require 'benchmark'
require 'json'
require 'bson'

T = 100_000


[{ :foo => 2 }, { :foo => 2, :bar => 3, :baz => "long very very long and big and uncut string" },
 { :foo => 2, :bar => 3, :baz => "long very very long and big and uncut string",
   :qux => "another big string passing very cool stuff from somewhere to nowhere",
   :quux => "another big string passing very cool stuff from somewhere to nowhere",
   :corge => "another big string passing very cool stuff from somewhere to nowhere",
   :grault => "another big string passing very cool stuff from somewhere to nowhere"}].each do |hsh|
  jsonhsh = JSON.dump(hsh)
  bsonhsh = BSON.serialize(hsh)
  puts
  puts "Running #{T} times..."
  puts hsh
  puts
  Benchmark.bmbm do |b|
    b.report("JSON Dump") { T.times { JSON.dump(hsh) }}
    b.report("JSON Load") { T.times { JSON.load(jsonhsh) }}
  end
  puts
  Benchmark.bmbm do |b|
    b.report("BSON Dump") { T.times { BSON.serialize(hsh) }}
    b.report("BSON Load") { T.times { BSON.deserialize(bsonhsh) }}
  end
end


__END__

Running 100000 times...
{:foo=>2}

Rehearsal ---------------------------------------------
JSON Dump   2.760000   0.020000   2.780000 (  2.903587)
JSON Load   0.490000   0.010000   0.500000 (  0.537410)
------------------------------------ total: 3.280000sec

                user     system      total        real
JSON Dump   2.770000   0.000000   2.770000 (  2.905496)
JSON Load   0.470000   0.000000   0.470000 (  0.498178)

Rehearsal ---------------------------------------------
BSON Dump   0.640000   0.010000   0.650000 (  0.689085)
BSON Load   0.490000   0.000000   0.490000 (  0.515012)
------------------------------------ total: 1.140000sec

                user     system      total        real
BSON Dump   0.680000   0.000000   0.680000 (  0.718342)
BSON Load   0.480000   0.000000   0.480000 (  0.475789)

Running 100000 times...
{:foo=>2, :bar=>3, :baz=>"long very very long and big and uncut string"}

Rehearsal ---------------------------------------------
JSON Dump   3.030000   0.010000   3.040000 (  3.186499)
JSON Load   0.640000   0.000000   0.640000 (  0.676488)
------------------------------------ total: 3.680000sec

                user     system      total        real
JSON Dump   3.010000   0.000000   3.010000 (  3.115569)
JSON Load   0.640000   0.000000   0.640000 (  0.674841)

Rehearsal ---------------------------------------------
BSON Dump   1.240000   0.010000   1.250000 (  1.294717)
BSON Load   0.940000   0.000000   0.940000 (  0.971074)
------------------------------------ total: 2.190000sec

                user     system      total        real
BSON Dump   1.240000   0.000000   1.240000 (  1.276853)
BSON Load   0.940000   0.000000   0.940000 (  0.989220)

Running 100000 times...
{:foo=>2, :bar=>3, :baz=>"long very very long and big and uncut string", :qux=>"another big string passing very cool stuff from somewhere to nowhere", :quux=>"another big string passing very cool stuff from somewhere to nowhere", :corge=>"another big string passing very cool stuff from somewhere to nowhere", :grault=>"another big string passing very cool stuff from somewhere to nowhere"}

Rehearsal ---------------------------------------------
JSON Dump   3.710000   0.000000   3.710000 (  3.843567)
JSON Load   1.040000   0.000000   1.040000 (  1.043548)
------------------------------------ total: 4.750000sec

                user     system      total        real
JSON Dump   3.750000   0.010000   3.760000 (  3.788305)
JSON Load   1.040000   0.000000   1.040000 (  1.059873)

Rehearsal ---------------------------------------------
BSON Dump   2.370000   0.000000   2.370000 (  2.386694)
BSON Load   3.050000   0.000000   3.050000 (  3.097794)
------------------------------------ total: 5.420000sec

                user     system      total        real
BSON Dump   2.400000   0.000000   2.400000 (  2.413159)
BSON Load   3.010000   0.050000   3.060000 (  3.079661)