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.NET 应用程序的性能提升应用技巧

文章类别:Asp.net | 发表日期:2008-10-5 22:11:26

最近花了很多时间研究.net性能提升问题,在ms的网站上也找到很多不错的资料,下面这些内容估计大家或多或少的用过一些,在这里贴出来,希望能对大家的工作有所帮助。

Performance Tips for All Applications:

Throw Fewer Exceptions
Make Chunky Calls
Design with ValueTypes
Use AddRange to Add Groups
Trim Your Working Set
Use For Loops for String Iteration—version 1
Use StringBuilder for Complex String Manipulation
Precompile Windows Forms Applications
Use Jagged Arrays—Version 1
Keep IO Buffer Size Between 4KB and 8KB
Be on the Lookout for Asynchronous IO Opportunities

Performance Tips for ASP.NET Applications

        Cache Aggressively
        Use Session State Only If You Need To
        Use View State Only If You Need To
        Avoid STA COM
        Batch Compile
        Remove Unnecessary Http Modules
        Avoid the Autoeventwireup Feature
        Encode Using ASCII When You Don't Need UTF
        Use the Optimal Authentication Procedure
       

 

Appendix: Cost of Virtual Calls and Allocations
Call Type # Calls/sec
ValueType Non-Virtual Call 809971805.600
Class Non-Virtual Call 268478412.546
Class Virtual Call 109117738.369
ValueType Virtual (Obj Method) Call 3004286.205
ValueType Virtual (Overridden Obj Method) Call 2917140.844
Load Type by Newing (Non-Static) 1434.720
Load Type by Newing (Virtual Methods) 1369.863


More:http://msdn.microsoft.com/library/en-us/dnpag/html/scalenet.asp?frame=true

出处:有气质的熊(minbear) BLOG

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