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rhearnorth/bm_case_condition.rb

Last active July 22, 2016 03:09
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bm_case_condition.rb
require 'benchmark'
[1, nil, 'string', :sym, Class].each do |sample|
Benchmark.bmbm do |x|
x.report("case .class.name") do
100.times do
case sample.class.name
when 'String' then 'String'
when 'Symbol' then 'Symbol'
when 'NilClass' then 'NilClass'
when 'Class' then 'Class'
when 'Fixnum' then 'Fixnum'
end
end
end
x.report("implicit") do
100.times do
case sample
when String then 'String'
when Symbol then 'Symbol'
when NilClass then 'NilClass'
when Class then 'Class'
when Fixnum then 'Fixnum'
end
end
end
end
end
Rehearsal ----------------------------------------------------
case .class.name 0.000000 0.000000 0.000000 ( 0.000061)
implicit 0.000000 0.000000 0.000000 ( 0.000024)
------------------------------------------- total: 0.000000sec
user system total real
case .class.name 0.000000 0.000000 0.000000 ( 0.000028)
implicit 0.000000 0.000000 0.000000 ( 0.000027)
Rehearsal ----------------------------------------------------
case .class.name 0.000000 0.000000 0.000000 ( 0.000032)
implicit 0.000000 0.000000 0.000000 ( 0.000023)
------------------------------------------- total: 0.000000sec
user system total real
case .class.name 0.000000 0.000000 0.000000 ( 0.000037)
implicit 0.000000 0.000000 0.000000 ( 0.000029)
Rehearsal ----------------------------------------------------
case .class.name 0.000000 0.000000 0.000000 ( 0.000040)
implicit 0.000000 0.000000 0.000000 ( 0.000024)
------------------------------------------- total: 0.000000sec
user system total real
case .class.name 0.000000 0.000000 0.000000 ( 0.000028)
implicit 0.000000 0.000000 0.000000 ( 0.000025)
Rehearsal ----------------------------------------------------
case .class.name 0.000000 0.000000 0.000000 ( 0.000031)
implicit 0.000000 0.000000 0.000000 ( 0.000023)
------------------------------------------- total: 0.000000sec
user system total real
case .class.name 0.000000 0.000000 0.000000 ( 0.000027)
implicit 0.000000 0.000000 0.000000 ( 0.000023)
Rehearsal ----------------------------------------------------
case .class.name 0.000000 0.000000 0.000000 ( 0.000039)
implicit 0.000000 0.000000 0.000000 ( 0.000023)
------------------------------------------- total: 0.000000sec
user system total real
case .class.name 0.000000 0.000000 0.000000 ( 0.000046)
implicit 0.000000 0.000000 0.000000 ( 0.000028)
[Finished in 1.0s]
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