Encoding benchmarks

bench_encoding.txt

# bench_encoding.rb
#!/usr/bin/env ruby -wKU
# encoding: UTF-8

require 'benchmark'

p "Encoding is currently: #{__ENCODING__}"
report_width = 32

Benchmark.bm(report_width) do|b|
  b.report("UTF-8 to LATIN-1") do
    1_000_000.times do |file|
      str = "Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house!"
      str.force_encoding("ISO-8859-1")
    end
  end
end

Benchmark.bm(report_width) do|b|
  b.report("String assignment only") do
    1_000_000.times do |file|
      str = "Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house! Señor Brad is in da house!"
    end
  end
end


# Results
"Encoding is currently: UTF-8"
                                      user     system      total        real
UTF-8 to LATIN-1                  0.500000   0.000000   0.500000 (  0.509272)
                                      user     system      total        real
String assignment only            0.180000   0.000000   0.180000 (  0.177283)