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shugo/gist:0028538e723c3f46bdb219046ab5058b

Created December 3, 2025 01:21
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strip vs gsub benchmark
Raw
gistfile1.txt
voyager:tmp$ cat b.rb
require "benchmark"
TARGET = " \t\r\n\f\v\0" + "x" * 1024 + "\0 \t\r\n\f\v"
Benchmark.bmbm do |x|
x.report("strip") do
10000.times do
TARGET.strip
end
end
x.report("gsub") do
10000.times do
TARGET.gsub(/\A\s+|\s+\z/, "")
end
end
end
voyager:tmp$ ruby b.rb
Rehearsal -----------------------------------------
strip 0.004674 0.000938 0.005612 ( 0.005618)
gsub 0.284665 0.001060 0.285725 ( 0.285733)
-------------------------------- total: 0.291337sec
user system total real
strip 0.000953 0.001997 0.002950 ( 0.002950)
gsub 0.288242 0.000002 0.288244 ( 0.288261)
voyager:tmp$
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