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.NET Forum / Languages / Managed C++ / October 2005memory options
hi i am developing visual studio c++ application. basically i would like to give memory usage options for the runtime for running my programe? i know how to do it in jave but is dont know how to give for a c++ program? do any one of you know how to set these options? Hi ve! > hi i am developing visual studio c++ application. basically i would like to > give memory usage options for the runtime for running my programe? i know how > to do it in jave but is dont know how to give for a c++ program? > > do any one of you know how to set these options? What options do you mean? I C/C++ you have fully control over memory, so you can do what you want. There is no garbage-collector or some other "hidden" stuff.  SignatureGreetings Jochen My blog about Win32 and .NET http://blog.kalmbachnet.de/ i am under impression that when you run a c/c++ program the runtime will allocate some maximum memory for the program beyond which it cannot exceed. Is this right? vinod > Hi ve! > [quoted text clipped - 7 lines] > I C/C++ you have fully control over memory, so you can do what you want. > There is no garbage-collector or some other "hidden" stuff. Hi ve! > i am under impression that when you run a c/c++ program the runtime will > allocate some maximum memory for the program beyond which it cannot exceed. > Is this right? Normally the memory is only allocated if you are requesting it (for example by calling "new" or "malloc"). But in general there is a maximum memory which could be allocated. But this is not specific to C7C++; this also true for all other languages... If the OS resources are exhausted, then you cannot allocate more memory... SignatureGreetings Jochen My blog about Win32 and .NET http://blog.kalmbachnet.de/ > i am under impression that when you run a c/c++ program the runtime > will allocate some maximum memory for the program beyond which it > cannot exceed. > Is this right? No. There are obviously a few limitations, but they are mainlyWindo > vinod > [quoted text clipped - 18 lines] >> My blog about Win32 and .NET >> http://blog.kalmbachnet.de/ > i am under impression that when you run a c/c++ program the runtime > will allocate some maximum memory for the program beyond which it > cannot exceed. > Is this right? No, The limitations you will get are because of Windows, not because of C++ runtime. The main limitations are : - You've got 2GB to hold all your data : code, stacks, heaps, etc.. - A thread stack has a maximum fixed size (most often, 1 MB). Arnaud MVP - VC > hi i am developing visual studio c++ application. basically i would like > to [quoted text clipped - 3 lines] > > do any one of you know how to set these options? Java has a runtime (VM) that offers the possibility to specify the max. memory usage for it's Garbage collected heap, native C++ programs do not have such a runtime, Visual studio 2003/2005 "managed" C++ programs however do have a similar runtime as Java, so, question is - what runtime or what C++ language are you talking about? Willy.
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