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Crash messages with large datasets (C++ AMP)

    Question

  • I'm implementing a lattice boltzmann solver using C++ AMP. When the grid size comes to size above 600x600 the screen goes black, the application crashes with the following catch: "Failed to dispatch kernel", "Failed to update constant buffer" or "Failed to release constant buffer." I also get a message that the Nvidia driver has crashed and been restored. 

    Could anyone please explaine these error messages? I first belived the GPU was out of memory. But it shouldnt really use more than 100MB with this size of mesh, (512x512 uses 58 MB). And my GPU has 2GB of RAM. (Nvidia Quadro 2000M).

    Any suggestions would be much appreciated.

    Wednesday, May 02, 2012 4:22 PM

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