monitor.py 文件源码

def layer_params(layer, param_name, attr_name):

    """Return parameters in a flattened array from the given layer or an empty
    array if the parameters are not found.

    Args:
        layer (~chainer.Link): The layer from which parameters are collected.
        param_name (str): Name of the parameter, ``'W'`` or ``'b'``.
        attr_name (str): Name of the attribute, ``'data'`` or ``'grad'``.

    Returns:
        array: Flattened array of parameters.
    """

    if isinstance(layer, chainer.Chain):
        # Nested chainer.Chain, aggregate all underlying statistics
        return layers_params(layer, param_name, attr_name)
    elif not hasattr(layer, param_name):
        return layer.xp.array([])

    params = getattr(layer, param_name)
    params = getattr(params, attr_name)
    return params.flatten()