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