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98 Module Documentation• CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK: Maximum number of 32-bit registers availableto a thread block; this number is shared by all thread blocks simultaneously resident on a multiprocessor;• CU_DEVICE_ATTRIBUTE_CLOCK_RATE: Peak clock frequency in kilohertz;• CU_DEVICE_ATTRIBUTE_TEXTURE_ALIGNMENT: Alignment requirement;aligned to textureAlign bytes do not need an offset applied to texture fetches;texture base addresses• CU_DEVICE_ATTRIBUTE_GPU_OVERLAP: 1 if the device can concurrently copy memory between hostand device while executing a kernel, or 0 if not;• CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT: Number of multiprocessors on the device;• CU_DEVICE_ATTRIBUTE_KERNEL_EXEC_TIMEOUT: 1 if there is a run time limit for kernels executedon the device, or 0 if not;• CU_DEVICE_ATTRIBUTE_INTEGRATED: 1 if the device is integrated with the memory subsystem, or 0 ifnot;• CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY: 1 if the device can map host memory into theCUDA address space, or 0 if not;• CU_DEVICE_ATTRIBUTE_COMPUTE_MODE: Compute mode that device is currently in. Available modesare as follows:Parameters:– CU_COMPUTEMODE_DEFAULT: Default mode - Device is not restricted and can have multiple CUDAcontexts present at a single time.– CU_COMPUTEMODE_EXCLUSIVE: Compute-exclusive mode - Device can have only one CUDA contextpresent on it at a time.– CU_COMPUTEMODE_PROHIBITED: Compute-prohibited mode - Device is prohibited from creatingnew CUDA contexts.pi - Returned device attribute valueattrib - Device attribute to querydev - Device handleReturns:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_INVALID_DEVICENote:Note that this function may also return error codes from previous, asynchronous launches.See also:cuDeviceComputeCapability, cuDeviceGetCount, cuDeviceGetName, cuDeviceGet, cuDeviceGetProperties,cuDeviceTotalMemGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.18 Device Management 993.18.2.4 CUresult cuDeviceGetCount (int ∗ count)Returns in ∗count the number of devices with compute capability greater than or equal to 1.0 that are available forexecution. If there is no such device, cuDeviceGetCount() returns 0.Parameters:count - Returned number of compute-capable devicesReturns: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.cuDeviceComputeCapability, cuDeviceGetAttribute, cuDeviceGetName, cuDeviceGet, cuDeviceGetProperties,cuDeviceTotalMem3.18.2.5 CUresult cuDeviceGetName (char ∗ name, int len, CUdevice dev)Returns an ASCII string identifying the device dev in the NULL-terminated string pointed to by name. len specifiesthe maximum length of the string that may be returned.Parameters:name - Returned identifier string for the devicelen - Maximum length of string to store in namedev - Device to get identifier string forReturns:Note:CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_-ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE, CUDA_ERROR_INVALID_DEVICESee also:Note that this function may also return error codes from previous, asynchronous launches.cuDeviceComputeCapability, cuDeviceGetAttribute, cuDeviceGetCount, cuDeviceGet, cuDeviceGetProperties,cuDeviceTotalMem3.18.2.6 CUresult cuDeviceGetProperties (CUdevprop ∗ prop, CUdevice dev)Returns in ∗prop the properties of device dev. The CUdevprop structure 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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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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