From: Bill Guindon <agorilla@...>
Date: 2005-12-21T09:42:06+09:00
Subject: Re: =~ vs match - Some benchmarks.

On 12/20/05, Wilson Bilkovich <wilsonb@gmail.com> wrote:
> On 12/20/05, John Carter <john.carter@tait.co.nz> wrote:
> > While profiling some code I noticed =~, String.match and Regexp.match
> > turning up in my hotspots. So here is the results of a little
> > benchmarking to resolve which is faster to use...
> >

Thanks for running these, and posting them.  Wonder if there shouldn't
be a wiki section for benchmarks.

> Huh. Interesting.  Why is
> string=~/frogs/o
> faster than:
> string=~/frogs/
> ..when there are no substitutions involved?
>

Purely a guess... it's not checking to see if any substitution is
needed on further runs, where by default, it checks every time.


--
Bill Guindon (aka aGorilla)