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CUDA 2.2 Beta Released



NVIDIA has released Beta 2.2 of CUDA. The CUDAarchitecture supports C, OpenCL, DirectX Compute, Fortran, and other languages. Features of the CUDA Beta 2.2 include:

  • Hardware debugger for the GPU. Linux developers can now use a debugger on CUDA-enabled GPUs that offers both the familiar interface of the popular open-source GDB debugger and the ability to debug kernels as they execute on the GPU. The GPU-side debugger has all the features that developers expect from GDB, including the ability to have breakpoints, watch variables, inspect state, etc., as well as additional functions for CUDA-specific features.

  • Visual Profiler v2.2 for the GPU. The most common step in tuning application performance is profiling the application and then modifying the code. The CUDA Visual Profiler is a graphical tool that enables profiling C applications running on the GPU. This latest release of the CUDA Visual Profiler supports full measurement of memory bandwidth within a kernel, giving developers visibility into one of the most performance-critical areas of CUDA.

  • Full support for Microsoft Windows Server 2003/2008. Tesla C1060 and S1070 are now fully supported under both Microsoft Windows Server 2003 and 2008, offering developers and high-performance computing users more flexibility in their choice of operating system. CUDA 2.2 runs on Windows, Mac OS X, and major Linux distributions.

Additional CUDA 2.2 features include:

  • Improved OpenGL interop performance
  • Texture from pitch linear memory
  • Zero-copy support for direct access to system memory
  • Pinned shared system memory allows compute kernels to share system memory
  • Asynchronous memcopy on Vista

For a full list of new features in CUDA 2.2 and to get early access, go to this CUDA forum discussion. A CUDA 2.2 programming guide is available here.


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