From: "Iñaki Baz Castillo" <ibc@...>
Date: 2008-04-15T18:04:52+09:00
Subject: Re: Is faster handling hexadecimal values than handling chars?

2008/4/15, Iñaki Baz Castillo <ibc@aliax.net>:
> Hi, could I know if it's faster using hexadecimal values instead of
>  charsm in Ruby?
>  I mean:
>
>  a) char =~ /[\x61-\x7A]|[\x41-\x5A]/
>
>  b) char =~ /[A-Z]|[a-z]/
>
>  Both are the same, but maybe a) operation is faster than b) ?

Sorry, I've found Benchmark Class and have tried it:

  Benchmark.realtime {'f' =~ /[\x61-\x7A]|[\x41-\x5A]/ }
  => 1.81198120117188e-05

  Benchmark.realtime {'f' =~  /[A-Z]|[a-z]/ }
  => 1.81198120117188e-05

both give similar results.

Best regards.



-- 
Iñaki Baz Castillo
<ibc@aliax.net>