From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2006-03-16T04:27:06+09:00
Subject: Re: Time object problems - 1.8.2

> -----Original Message-----
> From: ara.t.howard@noaa.gov [mailto:ara.t.howard@noaa.gov] 
> Sent: Wednesday, March 15, 2006 10:45 AM
> To: ruby-talk ML
> Subject: Re: Time object problems - 1.8.2
> 
> 
> On Thu, 16 Mar 2006, Greg Lorriman wrote:
> 
> > It makes me think that an effort is needed to convert many of the 
> > libraries that do basic heavy-lifting, like DateTime and CSV and 
> > others, to C libraries.
> >
> > I like the purity of the idea of a "pure Ruby" library, but I am 
> > suffering the consequences and even considering jumping to 
> Python; the 
> > pain is getting to be too much.
> 
> check out the speed gains one can get with FasterCSV and 
> reconsider - and it's still pure ruby.
> 
> regards.
> 
> -a

Yep, it's mainly the algorithm, not the language.  You should be able to
get a 3-4x improvement in DateTime, for example, just by using an
improved Rational#gcd algorithm (depending on which method you're
using).

Regards,

Dan