Contents

#!/usr/bin/env ruby
require "rspec"
require File.join(File.dirname(__FILE__), "../../spec/spec_helper")
require "benchmark"

def setup_algorithm(n, alg = "Range")
  config = {
    "shards" => n.times.map do |i|
      { connection: "connection_#{i}", less_than: (i + 1) * 100 }
    end,
  }.with_indifferent_access
  "ActiveRecord::Turntable::Algorithm::#{alg}Algorithm".constantize.new(config)
end

Benchmark.bm(40) do |x|
  %w(Range RangeBsearch).each do |alg|
    [2, 4, 8, 16, 32, 64, 128, 256, 512].map do |n|
      algorithm = setup_algorithm(n, alg)
      x.report("#{alg}: selrand(#{n}) * 1000") {
        1000.times do
          algorithm.calculate(rand(n * 100))
        end
      }
      x.report("#{alg}: sellast(#{n}) * 1000") {
        1000.times do
          algorithm.calculate(n * 100 - 1)
        end
      }
    end
  end
end

Version data entries

12 entries across 12 versions & 1 rubygems

Version	Path
activerecord-turntable-4.4.1	script/performance/algorithm
activerecord-turntable-4.4.0	script/performance/algorithm
activerecord-turntable-4.3.0	script/performance/algorithm
activerecord-turntable-4.2.0	script/performance/algorithm
activerecord-turntable-4.1.0	script/performance/algorithm
activerecord-turntable-4.0.0	script/performance/algorithm
activerecord-turntable-3.1.0	script/performance/algorithm
activerecord-turntable-3.0.1	script/performance/algorithm
activerecord-turntable-3.0.0	script/performance/algorithm
activerecord-turntable-3.0.0.alpha3	script/performance/algorithm
activerecord-turntable-3.0.0.alpha2	script/performance/algorithm
activerecord-turntable-3.0.0.alpha1	script/performance/algorithm