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deadkarma/benchmark_rescue.rb

Last active December 17, 2015 02:08
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rescue benchmarks
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benchmark_rescue.rb
require 'benchmark'
n = 100000
Benchmark.bmbm do |x|
x.report("rescue") { n.times { raise NoMethodError rescue nil } }
x.report('logic') { n.times { nil if Kernel.const_defined? "Foo"; } }
x.report('throw') { n.times { catch(:foo) { throw(:foo) } } }
end
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Rehearsal ------------------------------------------
rescue   0.810000   0.040000   0.850000 (  0.850334)
logic    0.040000   0.000000   0.040000 (  0.037916)
throw    0.080000   0.030000   0.110000 (  0.115961)
--------------------------------- total: 1.000000sec

             user     system      total        real
rescue   0.820000   0.040000   0.860000 (  0.852651)
logic    0.030000   0.000000   0.030000 (  0.038908)
throw    0.090000   0.030000   0.120000 (  0.117991)
[Finished in 2.0s]

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