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#!/usr/bin/env ruby
require "benchmark"
require "concurrent"
hash = {}
map = Concurrent::Map.new
ENTRIES = 10_000
ENTRIES.times do |i|
hash[i] = i
map[i] = i
end
TESTS = 40_000_000
Benchmark.bmbm do |results|
key = rand(10_000)
results.report('Hash#[]') do
TESTS.times { hash[key] }
end
results.report('Map#[]') do
TESTS.times { map[key] }
end
results.report('Hash#each_pair') do
(TESTS / ENTRIES).times { hash.each_pair {|k,v| v} }
end
results.report('Map#each_pair') do
(TESTS / ENTRIES).times { map.each_pair {|k,v| v} }
end
end
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