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December 29, 2015 07:39
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Benchmark #options_for_select from form_options_helper.rb
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| require 'benchmark' | |
| def check?(a, value) | |
| Array(a).include? value | |
| end | |
| a = (1..100).to_a | |
| value = 500 | |
| disabled = true | |
| html_attributes = {} | |
| TIMES = 500_000 | |
| Benchmark.bmbm do |b| | |
| b.report('old') do | |
| TIMES.times do | |
| html_attributes[:selected] = check?(a, value) | |
| html_attributes[:disabled] = disabled && check?(a, value) | |
| end | |
| end | |
| b.report('new') do | |
| TIMES.times do | |
| html_attributes[:selected] = check?(a, value) | |
| html_attributes[:disabled] = disabled && html_attributes[:selected] | |
| end | |
| end | |
| end | |
| Output: | |
| Rehearsal --------------------------------------- | |
| old 4.050000 0.000000 4.050000 ( 4.045806) | |
| new 2.090000 0.000000 2.090000 ( 2.093466) | |
| ------------------------------ total: 6.140000sec | |
| user system total real | |
| old 4.070000 0.000000 4.070000 ( 4.064235) | |
| new 2.090000 0.000000 2.090000 ( 2.087229) |
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