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社区首页 >问答首页 >Tensorflow没有发现我的GPU。我该怎么办(2021年5月)？

问Tensorflow没有发现我的GPU。我该怎么办(2021年5月)？
EN

Stack Overflow用户
提问于 2021-05-07 14:41:13
回答 1查看 345关注 0票数 1

TF版本: 2.4.1数据自动化系统版本: 11.1

tf.test_is_gpu_available() --返回--> FALSE tf.test.is_built_with_cuda() --返回--> TRUE

我试图将TF恢复到2.4.0，但没有工作

我也尝试过：

代码语言：javascript
复制
$ pip uninstall tensorflow

$ pip install tensorflow-gpu

但是似乎什么都没起作用，TF只是没有探测到我的GPU。

编辑1：

nvcc的输出--版本：

代码语言：javascript
复制
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2020 NVIDIA Corporation
Built on Mon_Oct_12_20:09:46_PDT_2020
Cuda compilation tools, release 11.1, V11.1.105
Build cuda_11.1.TC455_06.29190527_0

nvidia的输出

代码语言：javascript
复制
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.73.01    Driver Version: 460.73.01    CUDA Version: 11.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce RTX 3090    Off  | 00000000:01:00.0 Off |                  N/A |
| 30%   35C    P8    23W / 300W |     23MiB / 24268MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
|   1  GeForce RTX 3090    Off  | 00000000:43:00.0 Off |                  N/A |
| 30%   40C    P8    27W / 300W |      5MiB / 24268MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
|   2  GeForce RTX 3090    Off  | 00000000:81:00.0 Off |                  N/A |
| 64%   63C    P2   179W / 300W |  24043MiB / 24268MiB |     59%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      2362      G   /usr/lib/xorg/Xorg                  9MiB |
|    0   N/A  N/A      2564      G   /usr/bin/gnome-shell               12MiB |
|    1   N/A  N/A      2362      G   /usr/lib/xorg/Xorg                  4MiB |
|    2   N/A  N/A      2362      G   /usr/lib/xorg/Xorg                  4MiB |
|    2   N/A  N/A     14304      C   python3                         24035MiB |
+-----------------------------------------------------------------------------+

运行tf.test.is_gpu_avaliable()时，我收到以下警告：

代码语言：javascript
复制
WARNING:tensorflow:From Spell_correction.py:35: is_gpu_available (from tensorflow.python.framework.test_util) is deprecated and will be removed in a future version.
Instructions for updating:
Use `tf.config.list_physical_devices('GPU')` instead.
2021-05-07 21:46:21.855460: I tensorflow/compiler/jit/xla_gpu_device.cc:99] Not creating XLA devices, tf_xla_enable_xla_devices not set
2021-05-07 21:46:21.856690: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1720] Found device 0 with properties: 
pciBusID: 0000:43:00.0 name: GeForce RTX 3090 computeCapability: 8.6
coreClock: 1.695GHz coreCount: 82 deviceMemorySize: 23.70GiB deviceMemoryBandwidth: 871.81GiB/s
2021-05-07 21:46:21.856716: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcudart.so.11.0
2021-05-07 21:46:21.856735: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcublas.so.11
2021-05-07 21:46:21.856747: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcublasLt.so.11
2021-05-07 21:46:21.856759: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcufft.so.10
2021-05-07 21:46:21.856771: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcurand.so.10
2021-05-07 21:46:21.856829: W tensorflow/stream_executor/platform/default/dso_loader.cc:60] Could not load dynamic library 'libcusolver.so.10'; dlerror: libcusolver.so.10: cannot open shared object file: No such file or directory; LD_LIBRARY_PATH: /usr/local/cuda-11.1/lib64
2021-05-07 21:46:21.856846: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcusparse.so.11
2021-05-07 21:46:21.856856: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library libcudnn.so.8
2021-05-07 21:46:21.856863: W tensorflow/core/common_runtime/gpu/gpu_device.cc:1757] Cannot dlopen some GPU libraries. Please make sure the missing libraries mentioned above are installed properly if you would like to use GPU. Follow the guide at https://www.tensorflow.org/install/gpu for how to download and setup the required libraries for your platform.
Skipping registering GPU devices...
2021-05-07 21:46:21.942589: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1261] Device interconnect StreamExecutor with strength 1 edge matrix:
2021-05-07 21:46:21.942626: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1267]      0 
2021-05-07 21:46:21.942633: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1280] 0:   N

另一个观察：

毕道尔正在探测GPU，而TF却没有。

torch.cuda.is_available() ->真tf.test.is_gpu_available() --> FALSE

tensorflow
gpu
EN

回答 1

Stack Overflow用户

发布于 2021-05-08 02:10:19

如果您使用ubuntu20.04，我建议您遵循这里中的步骤。我最近也遇到了同样的问题。

你有

代码语言：javascript
复制
NVIDIA-SMI 460.73.01    Driver Version: 460.73.01    CUDA Version: 11.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce RTX 3090    Off  | 00000000:01:00.0 Off |                  N/A |
| 30%   35C    P8    23W / 300W |     23MiB / 24268MiB |      0%      Default |
|                               |                      |                  N/A

尝试获得最新版本的NVIDIA 465和Cuda 11.3。就我的案例而言，nvidia-smi如下：

代码语言：javascript
复制
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 465.19.01    Driver Version: 465.19.01    CUDA Version: 11.3     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |

我所做的；

(1)我完全卸载了NVIDIA和CUDA的请看这里，并且要小心。

代码语言：javascript
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sudo apt-get remove --purge '^nvidia-.*'
sudo apt-get install ubuntu-desktop
sudo rm /etc/X11/xorg.conf
echo 'nouveau' | sudo tee -a /etc/modules

(2)我下载了NVIDIA，下载了.run文件，并简单地运行了sudo bash NVIDIA*.run (3)，我下载了cuDNN并按照描述的这里执行了以下操作

代码语言：javascript
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tar -xzvf cudnn-11.3-.*.tgz
sudo cp cuda/include/cudnn.h /usr/local/cuda/include
sudo cp cuda/lib64/libcudnn* /usr/local/cuda/lib64
sudo chmod a+r /usr/local/cuda/include/cudnn.h /usr/local/cuda/lib64/libcudnn*

还检查.bashrc文件以及描述的这里

代码语言：javascript
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cd ~

gedit .bashrc或nano .bashrc

#在后面添加以下内容：

代码语言：javascript
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export PATH=/usr/local/cuda/bin${PATH:+:${PATH}}
export PATH=/usr/local/cuda-11.3/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-11.3/lib64\${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda11.3/targets/x86_64linux\${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}

那么，pip install tensorflow-gpu==2.4.1

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/67437039

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