Time benchmarks.rb

benchmark.rb

require "bundler/inline"

require "time"
require "date"

gemfile(true) do
  source "https://rubygems.org/"
  gem "benchmark-ips", require: "benchmark/ips"
end

time = "2017-02-28 14:07:15+0000"

Benchmark.ips do |x|
  x.config warmup: 100 if RUBY_PLATFORM == "java"

  x.report(%q{Time.strptime(time, "%Y-%m-%d %H:%M:%S%z").strftime("%s")}) do
    Time.strptime(time, "%Y-%m-%d %H:%M:%S%z").strftime("%s")
  end

  x.report(%q{DateTime.strptime(time, "%Y-%m-%d %H:%M:%S%z").strftime("%s")}) do
    DateTime.strptime(time, "%Y-%m-%d %H:%M:%S%z").strftime("%s")
  end

  x.report(%q{Time.strptime(time, "%Y-%m-%d %H:%M:%S%z").to_i}) do
    Time.strptime(time, "%Y-%m-%d %H:%M:%S%z").to_i
  end

  x.report(%q{DateTime.strptime(time, "%Y-%m-%d %H:%M:%S%z").to_i}) do
    DateTime.strptime(time, "%Y-%m-%d %H:%M:%S%z").to_time.to_i
  end

  x.report(%q{DateTime.parse(time).to_time.to_i}) do
    DateTime.parse(time).to_time.to_i
  end

  x.report(%q{Time.parse(time).to_i}) do
    Time.parse(time).to_i
  end

  x.compare!
end