Oj vs Yaml

output

Oj: 2.12.8
YAML: 2.0.8

       user     system      total        real
json  0.400000   0.000000   0.400000 (  0.405347)
json symbolize keys  0.480000   0.000000   0.480000 (  0.475922)
Yaml 31.110000   0.050000  31.160000 ( 31.177862)

serialize_bench.rb

require 'benchmark'
require 'oj'
require 'yaml'

puts "Oj: #{Oj::VERSION}"
puts "YAML: #{YAML::VERSION}"

n = 100_000

data = {
  key_1: "some string",
  key_2: 123456789,
  key_3: {
    sub_key_1: "xyz 1234"
  },
  key_4: %w{one two three four five}
}

Benchmark.bm do |x|
  x.report("json") do
    n.times {a = Oj.dump(data); Oj.load(a)}
  end

  x.report("json symbolize keys") do
    n.times {a = Oj.dump(data); Oj.load(a, symbolize_keys: true)}
  end

  x.report("Yaml") do
    n.times {a = YAML.dump(data); YAML.load(a)}
  end
end