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14 Module Documentation3.5 Stream ManagementFunctions• cudaError_t cudaStreamCreate (cudaStream_t ∗pStream)Create an asynchronous stream.• cudaError_t cudaStreamDestroy (cudaStream_t stream)Destroys and cleans up an asynchronous stream.• cudaError_t cudaStreamQuery (cudaStream_t stream)Queries an asynchronous stream for completion status.• cudaError_t cudaStreamSynchronize (cudaStream_t stream)Waits for stream tasks to complete.3.5.1 Detailed DescriptionThis section describes the stream management functions of the CUDA runtime application programming interface.3.5.2 Function Documentation3.5.2.1 cudaError_t cudaStreamCreate (cudaStream_t ∗ pStream)Creates a new asynchronous stream.Parameters:pStream - Pointer to new stream identifierReturns:cudaSuccess, cudaErrorInvalidValueNote:Note that this function may also return error codes from previous, asynchronous launches.See also:cudaStreamQuery, cudaStreamSynchronize, cudaStreamDestroy3.5.2.2 cudaError_t cudaStreamDestroy (cudaStream_t stream)Destroys and cleans up the asynchronous stream specified by stream.Parameters:stream - Stream identifierGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.5 Stream Management 15Returns:cudaSuccess, cudaErrorInvalidResourceHandleNote:Note that this function may also return error codes from previous, asynchronous launches.See also:cudaStreamCreate, cudaStreamQuery, cudaStreamSynchronize3.5.2.3 cudaError_t cudaStreamQuery (cudaStream_t stream)Returns cudaSuccess if all operations in stream have completed, or cudaErrorNotReady if not.Parameters:stream - Stream identifierReturns:cudaSuccess, cudaErrorNotReady cudaErrorInvalidResourceHandleNote:Note that this function may also return error codes from previous, asynchronous launches.See also:cudaStreamCreate, cudaStreamSynchronize, cudaStreamDestroy3.5.2.4 cudaError_t cudaStreamSynchronize (cudaStream_t stream)Blocks until stream has completed all operations.Parameters:stream - Stream identifierReturns:cudaSuccess, cudaErrorInvalidResourceHandleNote:Note that this function may also return error codes from previous, asynchronous launches.See also:cudaStreamCreate, cudaStreamQuery, cudaStreamDestroyGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
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