From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2003-01-14T04:32:20+09:00
Subject: Re: Ruby:  politics & performance [long]

In article <1042469883.310827.25295.nullmailer@picachu.netlab.jp>,
Yukihiro Matsumoto <matz@ruby-lang.org> wrote:
>Hi,
>
>In message "Re: Ruby:  politics & performance [long]"
>    on 03/01/13, ts <decoux@moulon.inra.fr> writes:
>
>| Not the second word, the second element. For example actually you have
>|
>|    last = list;
>|    while (last->nd_next) {
>|	last = last->nd_next;
>|    }
>|
>| Try to replace it  with
>|
>|    if (list->nd_next) {
>|	last = list->nd_next->nd_end;
>|    }
>|    else {
>|	last = list;
>|    }
>|
>| i.e. the first element give the size, the second give the end.
>|
>| You just need to adapt one macro in eval.c to make it work (if I'm right) 
>
>This is interesting.  I will try this in 1.8.0.
>
>							matz.
>

Cool.  That's the good thing about 'corner cases' like the application the 
original poster was trying to speed up - they can help us speed up Ruby 
(and specifically the parser in this case).

Phil
-- 
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