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.NET Forum / Visual Studio.NET / IDE / February 2007VS 2005 sp1 c++ navigation bars cpu usage
I am using Visual Studio 2005 SP1 for unmanaged C++ development. If I enable C/C++ navigation bars in the options->editor page, then devenv continually consumes 50% cpu whenever the cursor is in a text editor for a C++ file. I have let devenv do this overnight and the cpu usage never reallyy decreased. I would like to keep the navigation bars enabled because they are a handy way to browse code. Is there a workaround that will make the cpu usage less? Is this a known bug in a MS bug list? Thanks, Phil Hi Phil, According to your description, I understand that you noticed that devenv.exe consumes 50% CUP when you enable navigation bars in the options. If I misunderstand anything here, please don't hesitate to correct me. I checked Bug list for this issue, but I haven't get any record on it. Base on my experience, this issue is related to your project. If your project is very complex, Visual Studio will take a long time to generate real time navigation for you. In order to narrow down the issue, would you mind confirming some information with us? 1.Will you still encountered this issue if you create a simple project (such as new project). 2. Have you installed any third-party add-ins on your VS.net 2005 IDE. Add-in will also cause High CPU if this add-ins work with VS navigation bars. Please feel free to reply me if you have anything clear. Hope this will help! Best regards, Wen Yuan Microsoft Online Community Support =============================== When responding to posts, please "Reply to Group" via your newsreader so that others may learn and benefit from your issue. =============================== (This posting is provided "AS IS", with no warranties, and confers no rights.) > According to your description, I understand that you noticed that > devenv.exe consumes 50% CUP when you enable navigation bars in the options. Yes. > I checked Bug list for this issue, but I haven't get any record on it. > Base on my experience, this issue is related to your project. If your [quoted text clipped - 4 lines] > 1.Will you still encountered this issue if you create a simple project > (such as new project). I have not tried this. What is simple or complex? Any solution and project of value will have more in it than a new project. At what point does a solution/project become complex? > 2. Have you installed any third-party add-ins on your VS.net 2005 IDE. > Add-in will also cause High CPU if this add-ins work with VS navigation > bars. I uninstalled all add-ins and got the same behavior. Back to your other point, how long does it take? I let devenv run overnight (about 10 hours) for a solution with about 15 C++ projects (not what I would consider complex) and it continued to use 50%. Any other help is appreciated. Thanks, Phil > Hi Phil, > [quoted text clipped - 6 lines] > project is very complex, Visual Studio will take a long time to generate > real time navigation for you. I saw a similar post for C# at http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=169791&SiteID=1 Hi Phil, Thanks for your reply. What I mean by "complex" is the complexity of project, such as how many class and methods include in your solution. Because the "Navigation Bar" will generate the list according to your class and project dynamically, if we have a large mount of project/class/method/ in solution, "Navigation Bar" should take a long time to generate the list. I apologies for the inconvenience this may have caused. Thanks again for your information. According to Karen said, the way to resolve this issue is disabling the "Navigation Bar". But would you mind sending your project to me if it is possible. If I can reproduce this issue on my machine, I will perform more research on this issue and check whether or not there is workaround, and also I will send mail to our product team on this issue. My alias is v-wywang@microsoft.com. Please feel free to reply me if you have anything unclear or concern on this. Best regards, Wen Yuan Unfortunately, it is not possible for me to send my project to you. Am I the only one who has ever had problems with the navigation bars with C++? Thanks, Phil > Hi Phil, > Thanks for your reply. [quoted text clipped - 18 lines] > Best regards, > Wen Yuan Hi Phil, Thanks for your reply. I'm really sorry to hear that you're having such a painful experience with Navigation Bar. We haven't met this issue before. It seems the performance of "navigation bar" is related to the complexity of the project. If it's not possible for you to send the project to me, we suggest you create a new solution and add each project into this solution and determine which project will cause the high CPU problem with Navigation Bar. Hope this will help. Best Regards, Wen Yuan Hi Phil, I haven't heard back from you yet and I'm just writing in to see if you have any further question. If you could get back to me at your earliest convenience, we will follow up. I'm very glad to work with you. Have a great day! Best Regards, Wen Yuan Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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