chainer.backends.cuda.to_cpu¶
- 
chainer.backends.cuda.to_cpu(array, stream=None)[source]¶
- Copies the given GPU array to host CPU. - Parameters
- array (array, None, list or tuple) – Array or arrays to be sent to CPU. 
- stream (cupy.cuda.Stream) – CUDA stream. 
 
- Returns
- Array on CPU. - If some of the arrays are already on CPU, then this function just returns those arrays without performing any copy. - If input arrays include None, it is returned as None as is. 
- Return type
- numpy.ndarray, list or tuple