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128 Module Documentation• CUresult cuMemcpyAtoH (void ∗pDst, CUarray hSrc, unsigned int srcOffset, unsigned int bytes)Copies memory from Array to Host.• CUresult cuMemcpyAtoHAsync (void ∗pDst, CUarray hSrc, unsigned int srcOffset, unsigned int bytes, CUstreamhStream)Copies memory from Array to Host.• CUresult cuMemcpyDtoA (CUarray hDst, unsigned int DstOffset, CUdeviceptr dptr, unsigned int NumBytes)Copies memory from Device to Array.• CUresult cuMemcpyDtoD (CUdeviceptr dst, CUdeviceptr src, unsigned int bytes)Copies memory from Device to Device.• CUresult cuMemcpyDtoH (void ∗dst, CUdeviceptr dptr, unsigned int bytes)Copies memory from Device to Host.• CUresult cuMemcpyDtoHAsync (void ∗dst, CUdeviceptr dptr, unsigned int bytes, CUstream hStream)Copies memory from Device to Host.• CUresult cuMemcpyHtoA (CUarray hDst, unsigned int dstOffset, const void ∗pSrc, unsigned int bytes)Copies memory from Host to Array.• CUresult cuMemcpyHtoAAsync (CUarray hDst, unsigned int dstOffset, const void ∗pSrc, unsigned int bytes,CUstream hStream)Copies memory from Host to Array.• CUresult cuMemcpyHtoD (CUdeviceptr dptr, const void ∗src, unsigned int bytes)Copies memory from Host to Device.• CUresult cuMemcpyHtoDAsync (CUdeviceptr dptr, const void ∗src, unsigned int bytes, CUstream hStream)Copies memory from Host to Device.• CUresult cuMemFree (CUdeviceptr dptr)Frees device memory.• CUresult cuMemFreeHost (void ∗p)Frees page-locked host memory.• CUresult cuMemGetAddressRange (CUdeviceptr ∗pdptr, unsigned int ∗psize, CUdeviceptr dptr)Get information on memory allocations.• CUresult cuMemGetInfo (unsigned int ∗free, unsigned int ∗total)Gets free and total memory.• CUresult cuMemHostAlloc (void ∗∗pp, size_t bytes, unsigned int Flags)Allocates page-locked host memory.• CUresult cuMemHostGetDevicePointer (CUdeviceptr ∗ret, void ∗p, unsigned int Flags)Passes back device pointer of mapped pinned memory.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.25 Memory Management 129• CUresult cuMemsetD16 (CUdeviceptr dstDevice, unsigned short us, unsigned int N)Initializes device memory.• CUresult cuMemsetD2D16 (CUdeviceptr dstDevice, unsigned int dstPitch, unsigned short us, unsigned intWidth, unsigned int Height)Initializes device memory.• CUresult cuMemsetD2D32 (CUdeviceptr dstDevice, unsigned int dstPitch, unsigned int ui, unsigned int Width,unsigned int Height)Initializes device memory.• CUresult cuMemsetD2D8 (CUdeviceptr dstDevice, unsigned int dstPitch, unsigned char uc, unsigned int Width,unsigned int Height)Initializes device memory.• CUresult cuMemsetD32 (CUdeviceptr dstDevice, unsigned int ui, unsigned int N)Initializes device memory.• CUresult cuMemsetD8 (CUdeviceptr dstDevice, unsigned char c, unsigned int N)Initializes device memory.3.25.1 Detailed DescriptionThis section describes the memory management functions of the low-level CUDA driver application programminginterface.3.25.2 Function Documentation3.25.2.1 CUresult cuArray3DCreate (CUarray ∗ pHandle, const CUDA_ARRAY3D_DESCRIPTOR ∗pDesc)Creates a CUDA array according to the CUDA_ARRAY3D_DESCRIPTOR structure pDesc and returns a handle tothe new CUDA array in ∗pHandle. The CUDA_ARRAY3D_DESCRIPTOR is defined as:typedef struct {unsigned int Width;unsigned int Height;unsigned int Depth;CUarray_format Format;unsigned int NumChannels;unsigned int Flags;} CUDA_ARRAY3D_DESCRIPTOR;where:• Width, Height, and Depth are the width, height, and depth of the CUDA array (in elements); the CUDAarray is one-dimensional if height and depth are 0, two-dimensional if depth is 0, and three-dimensional otherwise;• Format specifies the format of the elements; CUarray_format is defined as:Generated 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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viiiCONTENTS3.24.2.11 cuParamSetv .
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xCONTENTS3.28.2.3 cuD3D9GetDirect3D
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224 INDEXCUDA_TYPES, 200CUctx_flags
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226 INDEXCU_FUNC_ATTRIBUTE_MAX_THRE
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228 INDEXcudaD3D9ResourceSetMapFlag
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