Paddle 动态图中如何初始化Variable为空变量?

y3bcpkx1  于 2021-12-07  发布在  Java
关注(0)|答案(2)|浏览(316)

版本、环境信息:
   1)PaddlePaddle版本:1.8.4
   2)CPU:i7-7700HK
   3)GPU:GTX-1060
   4)系统环境:Ubuntu18.04,Python3.7.6

想在动态图中实现初始化Variable为空变量,并判断是否为空的功能。类似在静态图中代码如下:

import paddle.fluid as fluid
b = fluid.layers.data(name="b", shape=[None,3,None,None], dtype="float32")
res = fluid.layers.is_empty(x=b)
if res == True:
    print('None')
else:
    print('not None')
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