bmizerany (owner)

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gist: 98436 Download_button fork
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Public Clone URL: git://gist.github.com/98436.git
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hmmmm.txt #
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blake:blake$ ruby -r rubygems  thin-vs-marshal.rb
Rehearsal -------------------------------------------
PARSER    6.540000   0.050000   6.590000 (  9.105765)
MARSHAL   5.660000   0.040000   5.700000 (  7.854930)
--------------------------------- total: 12.290000sec
 
              user     system      total        real
PARSER    6.440000   0.040000   6.480000 (  8.941251)
MARSHAL   5.850000   0.040000   5.890000 (  8.090876)
 
thin-vs-marshal.rb #
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require 'thin_parser'
require 'stringio'
require 'benchmark'
 
def setup
  parser = Thin::HttpParser.new
 
  data =(<<-EOS).gsub("\n", "\r\n").gsub(/^ +/, "")
  GET / HTTP/1.1
  Host: www.heroku.com
 
  This body is not parsed
  EOS
 
  env = {
    "rack.input" => StringIO.new
  }
 
  [parser, env, data]
end
 
@marshal = Marshal.dump(
  "REQUEST_METHOD" => "GET",
  "HOST" => "http://www.google.com",
  "PATH_INFO" => "/"
)
 
Times = 100_000
 
Benchmark.bm {|x|
  x.report("PARSER") {
    Times.times {|i|
      parser, env, data = setup
      parser.execute(env, data, nparsed=0)
    }
  }
  x.report("MARSHAL") {
    Times.times {|i|
      parser, env, data = setup # keep it fair
      Marshal.load(@marshal)
    }
  }
}
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blake:blake$ ruby -r rubygems  thin-vs-marshal.rb
user     system      total        real
PARSER  6.450000   0.050000   6.500000 (  8.931007)
MARSHAL  5.990000   0.040000   6.030000 (  8.255529)