Benchmarking hashing algorithms with json

benchmark_hashing_algorithms.rb

require "benchmark"
require "benchmark/memory"

payload =  {
 "was_changed"=>0,
 "store"=>"gp",
 "os"=>nil,
 "thumbs_down_cnt"=>0,
 "manufactorer"=>nil,
 "content"=>"The voices are so soothing. I am only six days in, but I feel good about what little I have done and what I am doing. If I remember to do so I will give an update at the end of the month.",
 "is_answer"=>0,
 "device"=>nil,
 "title"=>"",
 "answer_date"=>nil,
 "is_deleted"=>0,
 "rating"=>5,
 "internal_id"=>11111111,
 "thumbs_up_cnt"=>0,
 "app_version_code"=>nil,
 "user_id"=>nil,
 "date"=>"2021-08-01",
 "created"=>"2021-08-01 22:43:45",
 "has_answer"=>0,
 "country"=>nil,
 "answer_text"=>nil,
 "author"=>"J",
 "time"=>"19:25:06",
 "answer_time"=>nil,
 "app_version"=>"3.68",
 "device_type"=>nil,
 "review_id"=>"gp:AOqpTOHDK3vPjOQBf5Xbr",
 "lang"=>"en",
 "external_id"=>"co.thefabulous.app"
}

TIMES = 1000000

def sha_256(payload)
  TIMES.times do
    Digest::SHA256.hexdigest(payload.to_json)
  end
end

def sha_1(payload)
  TIMES.times do
    Digest::SHA1.hexdigest(payload.to_json)
  end
end

def md5(payload)
  TIMES.times do
    Digest::MD5.hexdigest(payload.to_json)
  end
end

Benchmark.bmbm do |x|
  x.report("MD5") { md5(payload) }
  x.report("SHA-1") { sha_1(payload) }
  x.report("SHA-256") { sha_256(payload) }
end

Benchmark.memory do |x|
  x.report("MD5") { md5(payload) }
  x.report("SHA-1") { sha_1(payload) }
  x.report("SHA-256") { sha_256(payload) }
  x.compare!
end