问题描述
我按照此处的说明安装了 cuda 和 cudnn: https://docs.nvidia.com/deeplearning/cudnn/install-guide/index.html
之后我用python3.8设置了conda环境并安装了theano 1.0.4。 然后我在我的主目录中创建一个 .theanorc:
[global]
floatX = float32
device = cuda0
force_device = True
optimizer_including=cudnn
[blas]
ldflags = -L/usr/local/lib -lopenblas
[dnn]
include_path=/usr/local/cuda-11.3/include
library_path=/usr/local/cuda-11.3/lib64
[cuda]
root=/usr/local/cuda-11.3/
因为一开始theano抱怨找不到cudnn.h,我把所有cudnn的东西都链接到了/usr/local/cuda-11.3/目录中。
在我尝试在 python 会话中导入 theano 之后,我得到了:
Can not use cuDNN on context None: cannot compile with cuDNN. We got this error:
b"/home/hadron/myutils/anaconda3/envs/myenv/bin/../lib/gcc/x86_64-conda_cos6-linux-gnu/7.3.0/../../../../x86_64-conda_cos6-linux-gnu/bin/ld: /usr/local/cuda-11.3/lib64/libcudnn.so: undefined reference to `memcpy@GLIBC_2.14'\ncollect2: error: ld returned 1 exit status\n"
现在我被困在这里了。任何人都可以帮忙吗? 这是 nvidia-smi 的输出:
(myenv) hadronmachine:~$ nvidia-smi
Mon Apr 19 10:43:37 2021
+-----------------------------------------------------------------------------+
| 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. |
|===============================+======================+======================|
| 0 NVIDIA GeForce ... On | 00000000:01:00.0 Off | N/A |
| 0% 38C P8 7W / 210W | 72MiB / 8119MiB | 0% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 1080 G /usr/lib/xorg/Xorg 70MiB |
+-----------------------------------------------------------------------------+
我正在运行 ubuntu 20.04 并且 uname -a 的输出是:
Linux hadron01 5.4.0-53-generic #59-Ubuntu SMP Wed Oct 21 09:38:44 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
最终我想运行带有 GPU 支持的 Pymc3,它使用 Theano 作为后端
解决方法
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