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158 Module Documentation3.25.2.31 CUresult cuMemHostGetDevicePointer (CUdeviceptr ∗ ret, void ∗ p, unsigned int Flags)Passes back the device pointer ret corresponding to the mapped, pinned host buffer p allocated by cuMemHostAlloc.cuMemHostGetDevicePointer() will fail if the CU_MEMALLOCHOST_DEVICEMAP flag was not specified at thetime the memory was allocated, or if the function is called on a GPU that does not support mapped pinned memory.Flags provides for future releases. For now, it must be set to 0.Parameters:ret - Returned device pointerp - Host pointerFlags - Options (must be 0)Returns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:Note that this function may also return error codes from previous, asynchronous launches.cuArray3DCreate, cuArray3DGetDescriptor, cuArrayCreate, cuArrayDestroy, cuArrayGetDescriptor, cuMemAlloc,cuMemAllocHost, cuMemAllocPitch, cuMemcpy2D, cuMemcpy2DAsync, cuMemcpy2DUnaligned,cuMemcpy3D, cuMemcpy3DAsync, cuMemcpyAtoA, cuMemcpyAtoD, cuMemcpyAtoH, cuMemcpyAto-HAsync, cuMemcpyDtoA, cuMemcpyDtoD, cuMemcpyDtoH, cuMemcpyDtoHAsync, cuMemcpyHtoA,cuMemcpyHtoAAsync, cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange,cuMemGetInfo, cuMemHostAlloc, cuMemsetD2D8, cuMemsetD2D16, cuMemsetD2D32, cuMemsetD8,cuMemsetD16, cuMemsetD323.25.2.32 CUresult cuMemsetD16 (CUdeviceptr dstDevice, unsigned short us, unsigned int N)Sets the memory range of N 16-bit values to the specified value us.Parameters:dstDevice - Destination device pointerus - Value to setN - Number of elementsReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:Note that this function may also return error codes from previous, asynchronous launches.cuArray3DCreate, cuArray3DGetDescriptor, cuArrayCreate, cuArrayDestroy, cuArrayGetDescriptor, cuMemAlloc,cuMemAllocHost, cuMemAllocPitch, cuMemcpy2D, cuMemcpy2DAsync, cuMemcpy2DUnaligned,Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.25 Memory Management 159cuMemcpy3D, cuMemcpy3DAsync, cuMemcpyAtoA, cuMemcpyAtoD, cuMemcpyAtoH, cuMemcpyAto-HAsync, cuMemcpyDtoA, cuMemcpyDtoD, cuMemcpyDtoH, cuMemcpyDtoHAsync, cuMemcpyHtoA,cuMemcpyHtoAAsync, cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange,cuMemGetInfo, cuMemHostAlloc, cuMemHostGetDevicePointer, cuMemsetD2D8, cuMemsetD2D16,cuMemsetD2D32, cuMemsetD8, cuMemsetD323.25.2.33 CUresult cuMemsetD2D16 (CUdeviceptr dstDevice, unsigned int dstPitch, unsigned short us,unsigned int Width, unsigned int Height)Sets the 2D memory range of Width 16-bit values to the specified value us. Height specifies the number of rowsto set, and dstPitch specifies the number of bytes between each row. This function performs fastest when the pitchis one that has been passed back by cuMemAllocPitch().Parameters:dstDevice - Destination device pointerdstPitch - Pitch of destination device pointerus - Value to setWidth - Width of rowHeight - Number of rowsReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUESee also:Note that this function may also return error codes from previous, asynchronous launches.cuArray3DCreate, cuArray3DGetDescriptor, cuArrayCreate, cuArrayDestroy, cuArrayGetDescriptor, cuMemAlloc,cuMemAllocHost, cuMemAllocPitch, cuMemcpy2D, cuMemcpy2DAsync, cuMemcpy2DUnaligned,cuMemcpy3D, cuMemcpy3DAsync, cuMemcpyAtoA, cuMemcpyAtoD, cuMemcpyAtoH, cuMemcpyAto-HAsync, cuMemcpyDtoA, cuMemcpyDtoD, cuMemcpyDtoH, cuMemcpyDtoHAsync, cuMemcpyHtoA,cuMemcpyHtoAAsync, cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange,cuMemGetInfo, cuMemHostAlloc, cuMemHostGetDevicePointer, cuMemsetD2D8, cuMemsetD2D32,cuMemsetD8, cuMemsetD16, cuMemsetD323.25.2.34 CUresult cuMemsetD2D32 (CUdeviceptr dstDevice, unsigned int dstPitch, unsigned int ui,unsigned int Width, unsigned int Height)Sets the 2D memory range of Width 32-bit values to the specified value ui. Height specifies the number of rowsto set, and dstPitch specifies the number of bytes between each row. This function performs fastest when the pitchis one that has been passed back by cuMemAllocPitch().Parameters:dstDevice - Destination device pointerdstPitch - Pitch of destination device pointerGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
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NVIDIA CUDAReference ManualVersion
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iiCONTENTS3.5 Stream Management . .
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ivCONTENTS3.10 Direct3D 9 Interoper
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viCONTENTS3.15.2.2 cudaComputeMode
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NoticeALL NVIDIA DESIGN SPECIFICATI
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