【已解决】UnknownError: Failed to get convolution algorithm. This is probably because cuDNN failed to ini

jupyter运行有如下问题

UnknownError: Failed to get convolution algorithm. This is probably because cuDNN failed to initialize, so try looking to see if a warning log message was printed above.

两种原因：
原因一.cudnn版本不匹配
原因二、显卡内存分配不足
解决方案也有三种：
方案一：
降级tensorflow版本

pip install --upgrade tensorflowgpu==1.8.0

https://blog.csdn.net/loovelj/article/details/84995149?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param
tensorflow版本降至1.9.0
方案二：
在代码里增加显卡内存自动分配
同样也有两种做法：
方法1.在代码块首部加入

import osos.environ['CUDA_VISIBLE_DEVICES'] = '/gpu:0'

方法2
在代码块首部加入

from tensorflow.compat.v1 import ConfigProto
from tensorflow.compat.v1 import InteractiveSessionconfig = ConfigProto()
config.gpu_options.allow_growth = True
session = InteractiveSession(config=config)

方法3

//这两句加在sess = tf.Session(）前
config = tf.ConfigProto（）
config.gpu_options.allow_growth = True
//在session内增加config = config
sess = tf.Session(config = config)

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