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tiegz/dup_clone_bench.rb

Created February 18, 2015 15:24
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Hash#dup/clone benches
Raw
dup_clone_bench.rb
require 'benchmark'
GC.disable
x = {:a => 1}
ms1 = 1000 * Benchmark.realtime { 1_000_000.times { x.dup } }
ms2 = 1000 * Benchmark.realtime { 1_000_000.times { x.clone } }
puts [
"#{RUBY_ENGINE rescue 'ruby'} #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}...".ljust(30),
ms1.to_i.to_s.rjust(10) + "ms",
ms2.to_i.to_s.rjust(10) + "ms"
].join('')
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