POV-Ray : Newsgroups : povray.off-topic : Ratatouille : Re: Ratatouille Server Time
11 Oct 2024 03:17:03 EDT (-0400)
  Re: Ratatouille  
From: Orchid XP v7
Date: 27 Mar 2008 10:24:42
Message: <47ebbc3a$1@news.povray.org>
>> Of course, a good quicksort utterly depends on picking the right 
>> pivot. And for a linked list, it seems hard to do that without wasting 
>> too much time trying to pick a pivot. So I'm not really sure quicksort 
>> is a good algorithm to be using on a linked list in the first place, 
>> but hey...
> 
> In Java, if you sort a linked list (or any collection with linear lookup 
> time), it copies the whole contents into an array, sorts it, and copies 
> the sorted results back to the structure you were using.

Ouch! That's a bit expensive isn't it?

Mind you... maybe not... A quick sort with a decent pivot is going to be 
that much faster.

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.