Function rcudnn_sys::cudaGetDeviceCount [−][src]
pub unsafe extern "C" fn cudaGetDeviceCount(
count: *mut c_int
) -> cudaError_t
Expand description
\brief Returns the number of compute-capable devices
Returns in \p *count the number of devices with compute capability greater or equal to 2.0 that are available for execution.
\param count - Returns the number of devices with compute capability greater or equal to 2.0
\return ::cudaSuccess \notefnerr \note_init_rt \note_callback
\sa ::cudaGetDevice, ::cudaSetDevice, ::cudaGetDeviceProperties, ::cudaChooseDevice, ::cuDeviceGetCount