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114 Module Documentation3.22 Stream ManagementFunctions• CUresult cuStreamCreate (CUstream ∗phStream, unsigned int Flags)Create a stream.• CUresult cuStreamDestroy (CUstream hStream)Destroys a stream.• CUresult cuStreamQuery (CUstream hStream)Determine status of a compute stream.• CUresult cuStreamSynchronize (CUstream hStream)Wait until a stream’s tasks are completed.3.22.1 Detailed DescriptionThis section describes the stream management functions of the low-level CUDA driver application programminginterface.3.22.2 Function Documentation3.22.2.1 CUresult cuStreamCreate (CUstream ∗ phStream, unsigned int Flags)Creates a stream and returns a handle in phStream. Flags is required to be 0.Parameters:phStream - Returned newly created streamFlags - Parameters for stream creation (must be 0)Returns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_OUT_OF_MEMORYSee also:Note that this function may also return error codes from previous, asynchronous launches.cuStreamDestroy, cuStreamQuery, cuStreamSynchronize3.22.2.2 CUresult cuStreamDestroy (CUstream hStream)Destroys the stream specified by hStream.Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.22 Stream Management 115Parameters:hStream - Stream to destroyReturns: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.cuStreamCreate, cuStreamQuery, cuStreamSynchronize3.22.2.3 CUresult cuStreamQuery (CUstream hStream)Returns CUDA_SUCCESS if all operations in the stream specified by hStream have completed, or CUDA_-ERROR_NOT_READY if not.Parameters:hStream - Stream to query status ofReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_HANDLE, CUDA_ERROR_NOT_READYSee also:Note that this function may also return error codes from previous, asynchronous launches.cuStreamCreate, cuStreamDestroy, cuStreamSynchronize3.22.2.4 CUresult cuStreamSynchronize (CUstream hStream)Waits until the device has completed all operations in the stream specified by hStream.Parameters:hStream - Stream to wait forReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_HANDLESee also:Note that this function may also return error codes from previous, asynchronous launches.cuStreamCreate, cuStreamDestroy, cuStreamQueryGenerated 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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xiiCONTENTS4.3.1 Detailed Descripti
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2 Module IndexGenerated on Wed Apr
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4 Data Structure IndexGenerated on
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6 Module Documentation3.2 Thread Ma
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8 Module DocumentationNote:Note tha
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10 Module Documentation3.4.2.2 cuda
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12 Module DocumentationParameters:-
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14 Module Documentation3.5 Stream M
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16 Module Documentation3.6 Event Ma
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18 Module Documentationstart - Star
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20 Module Documentation3.7 Executio
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24 Module DocumentationCopies data
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28 Module Documentationdegrade syst
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30 Module Documentationextent - Req
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36 Module Documentationdirection of
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38 Module DocumentationNote:See als
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40 Module DocumentationcudaMemcpy3D
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42 Module Documentation3.8.2.24 cud
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44 Module Documentation3.8.2.27 cud
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46 Module DocumentationSee also:cud
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54 Module Documentation3.10 Direct3
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56 Module DocumentationpszAdapterNa
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58 Module Documentation• Resource
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62 Module DocumentationReturns:Note
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168 Module Documentation3.26.2.12 C
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170 Module Documentation3.27 OpenGL
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172 Module Documentation3.27.2.4 CU
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174 Module Documentation3.28 Direct
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208 Data Structure Documentation4.2
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IndexC++ API Routines, 81Context Ma
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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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230 INDEXcudaMemcpyToArrayCUDART_ME
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232 INDEXcudaStream_t, 91CUDART_VER
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234 INDEXcuMemcpyAtoACUMEM, 147cuMe
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NoticeALL NVIDIA DESIGN SPECIFICATI
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