From: Josh Cheek <josh.cheek@...>
Date: 2011-08-08T14:52:54+09:00
Subject: Re: Methods defined with module_eval are... faster?

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On Sun, Aug 7, 2011 at 7:45 AM, I=F1aki Baz Castillo <ibc@aliax.net> wrote:

> Hi, just let me show this code:
>
> -------------------
> require "benchmark"
>
>
> module M
>  self.module_eval("
>    def self.kk(var)
>      if var =3D=3D 123
>        a=3Dvar*2
>      else
>        a=3Dvar*4
>      end
>    end
> ")
>
>  def self.aa(var)
>    if var =3D=3D 123
>      b=3Dvar*2
>    else
>      b=3Dvar*4
>    end
>  end
> end
>
>
> printf "M.kk: "
> puts Benchmark.realtime { 4000000.times { M.kk(123) ; M.kk(4) } }
> printf "M.aa: "
> puts Benchmark.realtime { 4000000.times { M.aa(123) ; M.aa(4) } }
> printf "M.kk: "
> puts Benchmark.realtime { 4000000.times { M.kk(123) ; M.kk(4) } }
> printf "M.aa: "
> puts Benchmark.realtime { 4000000.times { M.aa(123) ; M.aa(4) } }
> -------------------
>
>
> Results (ruby 1.9.2):
>
> M.kk: 1.4799699783325195
> M.aa: 1.6037561893463135
> M.kk: 1.4918322563171387
> M.aa: 1.612684965133667
>
>
> This is, M.kk (defined with module_eval) is faster than M.aa (which is
> a commonly defined method). =BF?=BF?
>
>
> --
> I=F1aki Baz Castillo
> <ibc@aliax.net>
>
>
I got that aa was slightly quicker on 1.9.2p180
M.kk: 1.5347199440002441
M.aa: 1.506194829940796
M.kk: 1.527411937713623
M.aa: 1.4843168258666992

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