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120 Module Documentation3.24 Execution ControlFunctions• CUresult cuFuncGetAttribute (int ∗pi, CUfunction_attribute attrib, CUfunction func)Returns information about a function.• CUresult cuFuncSetBlockShape (CUfunction func, int x, int y, int z)Sets the block-dimensions for the function.• CUresult cuFuncSetSharedSize (CUfunction func, unsigned int bytes)Sets the dynamic shared-memory size for the function.• CUresult cuLaunch (CUfunction func)Launches a CUDA function.• CUresult cuLaunchGrid (CUfunction func, int grid_width, int grid_height)Launches a CUDA function.• CUresult cuLaunchGridAsync (CUfunction func, int grid_width, int grid_height, CUstream hStream)Launches a CUDA function.• CUresult cuParamSetf (CUfunction func, int offset, float value)Adds a floating-point parameter to the function’s argument list.• CUresult cuParamSeti (CUfunction func, int offset, unsigned int value)Adds an integer parameter to the function’s argument list.• CUresult cuParamSetSize (CUfunction func, unsigned int numbytes)Sets the parameter size for the function.• CUresult cuParamSetTexRef (CUfunction func, int texunit, CUtexref pTexRef)Adds a texture-reference to the function’s argument list.• CUresult cuParamSetv (CUfunction func, int offset, void ∗ptr, unsigned int numbytes)Adds arbitrary data to the function’s argument list.3.24.1 Detailed DescriptionThis section describes the execution control functions of the low-level CUDA driver application programming interface.3.24.2 Function Documentation3.24.2.1 CUresult cuFuncGetAttribute (int ∗ pi, CUfunction_attribute attrib, CUfunction func)Returns in ∗pi the integer value of the attribute attrib on the kernel given by func. The supported attributes are:Generated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.24 Execution Control 121• CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK: The number of threads beyond which a launchof the function would fail. This number depends on both the function and the device on which the function iscurrently loaded.• CU_FUNC_ATTRIBUTE_SHARED_SIZE_BYTES: The size in bytes of statically-allocated shared memoryrequired by this function. This does not include dynamically-allocated shared memory requested by the user atruntime.• CU_FUNC_ATTRIBUTE_CONST_SIZE_BYTES: The size in bytes of user-allocated constant memory requiredby this function.• CU_FUNC_ATTRIBUTE_LOCAL_SIZE_BYTES: The size in bytes of thread local memory used by this function.• CU_FUNC_ATTRIBUTE_NUM_REGS: The number of registers used by each thread of this function.Parameters:pi - Returned attribute valueattrib - Attribute requestedfunc - Function to query attribute ofReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_HANDLE, CUDA_ERROR_INVALID_VALUESee also:Note that this function may also return error codes from previous, asynchronous launches.cuFuncSetBlockShape, cuFuncSetSharedSize, cuParamSetSize, cuParamSeti, cuParamSetf, cuParamSetv, cu-ParamSetTexRef, cuLaunch, cuLaunchGrid, cuLaunchGridAsync3.24.2.2 CUresult cuFuncSetBlockShape (CUfunction func, int x, int y, int z)Specifies the x, y, and z dimensions of the thread blocks that are created when the kernel given by func is launched.Parameters:func - Kernel to specify dimensions ofx - X dimensiony - Y dimensionz - Z dimensionReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_HANDLE, CUDA_ERROR_INVALID_VALUESee also:Note that this function may also return error codes from previous, asynchronous launches.cuFuncSetSharedSize, cuFuncGetAttribute, cuParamSetSize, cuParamSeti, cuParamSetf, cuParamSetv, cuParam-SetTexRef, cuLaunch, cuLaunchGrid, cuLaunchGridAsyncGenerated 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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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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224 INDEXCUDA_TYPES, 200CUctx_flags
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226 INDEXCU_FUNC_ATTRIBUTE_MAX_THRE
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NoticeALL NVIDIA DESIGN SPECIFICATI
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