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Feature #15331 » string_key_vs_symbol_key.rb

alanwu (Alan Wu), 11/22/2018 10:03 PM

 
# frozen_string_literal: true
require "bundler/inline"

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

def bench_for_key_length(length)
string_key = 'a' * length
string_key = -string_key
symbol_key = string_key.to_sym

string_keyed_hash = { string_key => 1 }
symbol_keyed_hash = { symbol_key => 1 }

Benchmark.ips do |x|
x.report("string key length=#{length}") { string_keyed_hash[string_key] }
x.report("symbol key length=#{length}") { symbol_keyed_hash[symbol_key] }
x.compare!
end
end

bench_for_key_length(10)
bench_for_key_length(20)
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