CUresult cuDeviceGetCount ( int *  count  ) 

Returns in *count the number of devices with compute capability greater than or equal to 1.0 that are available for execution. If there is no such device, cuDeviceGetCount() returns 0.

Parameters:
count - Returned number of compute-capable devices
Returns:
CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_ERROR_INVALID_CONTEXT, CUDA_ERROR_INVALID_VALUE
Note:
Note that this function may also return error codes from previous, asynchronous launches.
See also:
cuDeviceComputeCapability, cuDeviceGetAttribute, cuDeviceGetName, cuDeviceGet, cuDeviceGetProperties, cuDeviceTotalMem


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