From: Clint Pidlubny <clint.pidlubny@...>
Date: 2006-04-06T08:23:31+09:00
Subject: Re: compare to strings

> Using String#include? is much faster then regexp matching. Here are some
> benchmarks. I didn't test this with Oniguruma though, but I su
>
> -- START CODE --
> require 'benchmark'
>
> url = "http://www.url.com/"
> url2 = "http://www.url.com/page"
>
> Benchmark.bm{ |x|
>         x.report{ 100000.times { url2.include?( url ) } }
>         x.report{ 100000.times { url2 =~ /#{url}/ } }
> }
> -- END CODE ---
>
>
> Benchmark Windows ruby 1.8.4 (2005-12-24) [i386-mswin32]
> C:\source\projects\ruby\strings>ruby temp.rb
>       user     system      total        real
>   0.080000   0.000000   0.080000 (  0.080000)
>   1.722000   0.130000   1.852000 (  1.873000)
>
>
> Benchmark Linux ruby 1.8.4 (2005-12-24) [i686-linux]
> zdennis@lima:~$ ruby-1.8.4 temp.rb
>       user     system      total        real
>   0.100000   0.000000   0.100000 (  0.119403)
>   1.570000   0.040000   1.610000 (  1.760446)
>
>
> Benchmark Linux ruby 1.8.3 (2005-06-23) [i486-linux]
> zdennis@lima:~$ ruby temp.rb
>       user     system      total        real
>   0.160000   0.030000   0.190000 (  0.209436)
>   1.720000   0.080000   1.800000 (  2.021754)
>
>
> Benchmark Linux ruby 1.8.2 (2005-04-11) [i386-linux]
> zdennis@jboss:~$ ruby temp.rb
>       user     system      total        real
>   0.000000   0.000000   0.000000 (  0.246239)
>   0.000000   0.000000   0.000000 (  1.401049)
>
>
> Zach

Excellent info Zach. Very relevant for me. I'll have thousands of
links to do this with.

Thanks again,
Clint