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I recently installed Visual Studio 2010 (Ultimate edition, final version released in April), and found that debugging a web application became very slow (2-3 times slower than in Visual Studio 2008)!
I took the same web application and checked the speed of loading of one of its pages in VS 2008 and VS 2010, and compared the time it takes to load the page.
I tested it using 2 approaches: 1) debugging under ASP.NET Development Server (by pressing the "Start" button) and 2) using ASP.NET Development Server without debugging (by using the "View in Browser" menu command).
And I got the following results for Visual Studio 2008 and 2010.
1) ASP.NET Development Server withoud debugging ("View in Browser"): the speed of page loading is the same in VS 2008 and 2010.
2) Debugging under ASP.NET Development Server ("Start" button): in VS 2010 the page takes more time to load than in VS 2008 - VS 2010 debugging is 2-3 times slower than in VS 2008!
3) At the same time, when debugging a web application in VS 2008, it takes the same time to load the page compared to when using only the "View in Browser" command. That is, VS 2008 debugging does not introduce any overhead to page loading in the web browser!
I wanted to make sure that other people have the same problem with slow debugging of web applications in VS 2010. Can this issue be solved by any means?
BTW, I am using Windows XP SP3.
Thank you.
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One of the main reasons that the debug version is significantly slower is because of these extra diagnostics. as to why you want to run in Debug, it's because those extra diagnostics are doing lots of useful stuff that help you catch bugs in your program so that you have more chance of the release build working.
Stop ExecutionSelect "Stop debugging" from the Debug menu to end a debugging session. You also can stop debugging from the Processes window. In that window, right-click the executing process and select the Detach Process command or the Terminate Process command.
To end a debugging session in Microsoft Visual Studio, from the Debug menu, choose Stop Debugging.
Disable Intellitrace (historical debugger) - it enable jumping "back in time" during debug but it slows down debugging.
You can disable it from the options->intellitrace
98
Try 'Delete all breakpoints' from the Debug menu. It sped up my web application debugging by 10 times.
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