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150 Module Documentation3.25.2.18 CUresult cuMemcpyDtoA (CUarray hDst, unsigned int DstOffset, CUdeviceptr dptr, unsigned intNumBytes)Copies from device memory to a 1D CUDA array. hDst and DstOffset specify the CUDA array handle andstarting index of the destination data. dptr specifies the base pointer of the source. NumBytes specifies the numberof bytes to copy.Parameters:hDst - Destination arrayDstOffset - Offset of destination arraydptr - Source device pointerNumBytes - Size of memory copy in bytesReturns: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, cuMemcpyDtoD, cuMemcpyDtoH, cuMemcpyDtoHAsync, cuMemcpyHtoA, cuMemcpyHtoAAsync,cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange, cuMemGet-Info, cuMemHostAlloc, cuMemHostGetDevicePointer, cuMemsetD2D8, cuMemsetD2D16, cuMemsetD2D32,cuMemsetD8, cuMemsetD16, cuMemsetD323.25.2.19 CUresult cuMemcpyDtoD (CUdeviceptr dst, CUdeviceptr src, unsigned int bytes)Copies from device memory to device memory. dst and src are the base pointers of the destination and source,respectively. bytes specifies the number of bytes to copy. Note that this function is asynchronous.Parameters:dst - Destination device pointersrc - Source device pointerbytes - Size of memory copy in bytesReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUENote that this function may also return error codes from previous, asynchronous launches.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.25 Memory Management 151See also:cuArray3DCreate, cuArray3DGetDescriptor, cuArrayCreate, cuArrayDestroy, cuArrayGetDescriptor, cuMemAlloc,cuMemAllocHost, cuMemAllocPitch, cuMemcpy2D, cuMemcpy2DAsync, cuMemcpy2DUnaligned,cuMemcpy3D, cuMemcpy3DAsync, cuMemcpyAtoA, cuMemcpyAtoD, cuMemcpyAtoH, cuMemcpyAto-HAsync, cuMemcpyDtoA, cuMemcpyDtoH, cuMemcpyDtoHAsync, cuMemcpyHtoA, cuMemcpyHtoAAsync,cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange, cuMemGet-Info, cuMemHostAlloc, cuMemHostGetDevicePointer, cuMemsetD2D8, cuMemsetD2D16, cuMemsetD2D32,cuMemsetD8, cuMemsetD16, cuMemsetD323.25.2.20 CUresult cuMemcpyDtoH (void ∗ dst, CUdeviceptr dptr, unsigned int bytes)Copies from device to host memory. dst and dptr specify the base pointers of the destination and source, respectively.bytes specifies the number of bytes to copy. Note that this function is synchronous.Parameters:dst - Destination host pointerdptr - Source device pointerbytes - Size of memory copy in bytesReturns: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, cuMemcpyDtoHAsync, cuMemcpyHtoA, cuMemcpyHtoAAsync,cuMemcpyHtoD, cuMemcpyHtoDAsync, cuMemFree, cuMemFreeHost, cuMemGetAddressRange, cuMemGet-Info, cuMemHostAlloc, cuMemHostGetDevicePointer, cuMemsetD2D8, cuMemsetD2D16, cuMemsetD2D32,cuMemsetD8, cuMemsetD16, cuMemsetD323.25.2.21 CUresult cuMemcpyDtoHAsync (void ∗ dst, CUdeviceptr dptr, unsigned int bytes, CUstreamhStream)Copies from device to host memory. dst and dptr specify the base pointers of the destination and source, respectively.bytes specifies the number of bytes to copy.cuMemcpyDtoHAsync() is asynchronous and can optionally be associated to a stream by passing a non-zerohStream argument. It only works on page-locked memory and returns an error if a pointer to pageable memoryis passed as input.Parameters:dst - Destination host pointerdptr - Source 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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viiiCONTENTS3.24.2.11 cuParamSetv .
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NoticeALL NVIDIA DESIGN SPECIFICATI
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