async.py 文件源码

def set_shared_states(a, b):
    assert isinstance(a, chainer.Optimizer)
    assert hasattr(a, 'target'), 'Optimizer.setup must be called first'
    for param_name, param in a.target.namedparams():
        ensure_initialized_update_rule(param)
        state = param.update_rule.state
        for state_name, state_val in b[param_name].items():
            s = state[state_name]
            state[state_name] = np.frombuffer(
                state_val,
                dtype=s.dtype).reshape(s.shape)