From: Bill Kelly <billk@...>
Date: 2006-07-12T00:58:33+09:00
Subject: Re: [ANN] ruby-opengl

From: "Ilmari Heikkinen" <ilmari.heikkinen@gmail.com>

> #define_method makes somewhat slower methods than alias_method.
> If an app is making lots of GL calls, it might cause some slowdown.
> 
> I doubt it makes much change in real applications, but here's a silly
> micro-benchmark anyhow:
> 
> $ ruby bench_alias_define.rb
>      user     system      total        real
> Foo  0.200000   0.030000   0.230000 (  0.224021)
> FooAlias  0.190000   0.030000   0.220000 (  0.222571)
> FooDelegate  0.810000   0.100000   0.910000 (  0.909526)

> module Foo
> extend self
> 
>   def bar(x,y)
>     x + y
>   end
> 
> end
> 
> 
> module FooAlias
> include Foo
> extend self
> 
>   Foo.instance_methods(false).each{|mn|
>     alias_method "a_#{mn}", mn
>     public "a_#{mn}"
>   }
> 
> end

Sweet.  I learned about three new tricks from that.  :D


Thanks,

Bill