﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客-Goodwin-最新评论</title><link>http://www.cppblog.com/goodwin/CommentsRSS.aspx</link><description /><language>zh-cn</language><pubDate>Thu, 20 Oct 2011 05:23:43 GMT</pubDate><lastBuildDate>Thu, 20 Oct 2011 05:23:43 GMT</lastBuildDate><generator>cnblogs</generator><item><title>re: 理解红黑树[未登录]</title><link>http://www.cppblog.com/goodwin/archive/2011/08/10/152797.html#152940</link><dc:creator>Chipset</dc:creator><author>Chipset</author><pubDate>Wed, 10 Aug 2011 05:25:00 GMT</pubDate><guid>http://www.cppblog.com/goodwin/archive/2011/08/10/152797.html#152940</guid><description><![CDATA[AVL树不知道哪里还在用，红黑树可能Linux内核虚拟内存管理用了，古老的版本似乎用AVL吧。Splay tree在NT和BSD Unix内核用了，还是在虚拟内存管理。<br>红黑树有很多变种，防火墙和杀毒软件可能用一点？<br><br>B+树据说用于数据库，但是数据量较大时比BST要快，且空间利用率比BST高。。<br><br>Trie用于拼写检查有很大优势，还有Judy。不过MS Office的拼写检查用的哈希。<br><br>一般而言，哈希表比BST节约内存，且速度快，但是存储无序，感觉实现起来比BST困难。BST的最大缺点是浪费内存，空间利用率太低，尤其存储小对象时。<img src ="http://www.cppblog.com/goodwin/aggbug/152940.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/goodwin/" target="_blank">Chipset</a> 2011-08-10 13:25 <a href="http://www.cppblog.com/goodwin/archive/2011/08/10/152797.html#152940#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: 理解红黑树[未登录]</title><link>http://www.cppblog.com/goodwin/archive/2011/08/09/152797.html#152869</link><dc:creator>vincent</dc:creator><author>vincent</author><pubDate>Tue, 09 Aug 2011 07:53:00 GMT</pubDate><guid>http://www.cppblog.com/goodwin/archive/2011/08/09/152797.html#152869</guid><description><![CDATA[写的非常好，赞一个<img src ="http://www.cppblog.com/goodwin/aggbug/152869.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/goodwin/" target="_blank">vincent</a> 2011-08-09 15:53 <a href="http://www.cppblog.com/goodwin/archive/2011/08/09/152797.html#152869#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>