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require 'benchmark'
Benchmark.bmbm do |bm|
bm.report("control") { str = '123456789'; 1_000_000.times { str; /.../ } }
bm.report("String\#scan success") do
str = '123456789'; 1_000_000.times { str.scan(/.../) }
end
bm.report("String\#scan fail") do
str = '123456789'; 1_000_000.times { str.scan(/111/) }
end
bm.report("String\#scan success, large string (0.01 scale)") do
str = '123456789' * 100; 10_000.times { str.scan(/.../) }
end
bm.report("String\#scan fail, large string (0.01 scale)") do
str = '123456789' * 100; 10_000.times { str.scan(/111/) }
end
end
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