解决Ubuntu18中的pycharm不能调用tensorflow-gpu的问题

问题描述：我通过控制台使用tensorflow-gpu没问题，但是通过pycharm使用却不可以，如下所示：

通过控制台：

answer@answer-desktop:/$ python
python 3.7.0 (default, jun 28 2018, 13:15:42) 
[gcc 7.2.0] :: anaconda, inc. on linux
type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow as tf
2020-02-04 21:37:12.964610: w tensorflow/stream_executor/platform/default/dso_loader.cc:55] could not load dynamic library 'libnvinfer.so.6'; dlerror: libnvinfer.so.6: cannot open shared object file: no such file or directory; ld_library_path: /usr/local/cuda-10.1/lib64:/usr/local/cuda-10.1/lib64
2020-02-04 21:37:12.964749: w tensorflow/stream_executor/platform/default/dso_loader.cc:55] could not load dynamic library 'libnvinfer_plugin.so.6'; dlerror: libnvinfer_plugin.so.6: cannot open shared object file: no such file or directory; ld_library_path: /usr/local/cuda-10.1/lib64:/usr/local/cuda-10.1/lib64
2020-02-04 21:37:12.964777: w tensorflow/compiler/tf2tensorrt/utils/py_utils.cc:30] cannot dlopen some tensorrt libraries. if you would like to use nvidia gpu with tensorrt, please make sure the missing libraries mentioned above are installed properly.
>>> print(tf.test.is_gpu_available())
warning:tensorflow:from <stdin>:1: 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.
2020-02-04 21:37:37.267421: i tensorflow/core/platform/profile_utils/cpu_utils.cc:94] cpu frequency: 1795795000 hz
2020-02-04 21:37:37.268461: i tensorflow/compiler/xla/service/service.cc:168] xla service 0x55913b67a840 initialized for platform host (this does not guarantee that xla will be used). devices:
2020-02-04 21:37:37.268516: i tensorflow/compiler/xla/service/service.cc:176]  streamexecutor device (0): host, default version
2020-02-04 21:37:37.272139: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcuda.so.1
2020-02-04 21:37:37.481038: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.481712: i tensorflow/compiler/xla/service/service.cc:168] xla service 0x55913b6eb960 initialized for platform cuda (this does not guarantee that xla will be used). devices:
2020-02-04 21:37:37.481755: i tensorflow/compiler/xla/service/service.cc:176]  streamexecutor device (0): geforce gtx 1060 3gb, compute capability 6.1
2020-02-04 21:37:37.482022: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.482528: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1555] found device 0 with properties: 
pcibusid: 0000:03:00.0 name: geforce gtx 1060 3gb computecapability: 6.1
coreclock: 1.7085ghz corecount: 9 devicememorysize: 5.93gib devicememorybandwidth: 178.99gib/s
2020-02-04 21:37:37.482953: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcudart.so.10.1
2020-02-04 21:37:37.485492: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcublas.so.10
2020-02-04 21:37:37.487486: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcufft.so.10
2020-02-04 21:37:37.487927: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcurand.so.10
2020-02-04 21:37:37.490469: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcusolver.so.10
2020-02-04 21:37:37.491950: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcusparse.so.10
2020-02-04 21:37:37.499031: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcudnn.so.7
2020-02-04 21:37:37.499301: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.500387: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.500847: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1697] adding visible gpu devices: 0
2020-02-04 21:37:37.500941: i tensorflow/stream_executor/platform/default/dso_loader.cc:44] successfully opened dynamic library libcudart.so.10.1
2020-02-04 21:37:37.502172: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1096] device interconnect streamexecutor with strength 1 edge matrix:
2020-02-04 21:37:37.502212: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1102]   0 
2020-02-04 21:37:37.502229: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1115] 0:  n 
2020-02-04 21:37:37.502436: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.503003: i tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:981] successful numa node read from sysfs had negative value (-1), but there must be at least one numa node, so returning numa node zero
2020-02-04 21:37:37.503593: i tensorflow/core/common_runtime/gpu/gpu_device.cc:1241] created tensorflow device (/device:gpu:0 with 2934 mb memory) -> physical gpu (device: 0, name: geforce gtx 1060 3gb, pci bus id: 0000:03:00.0, compute capability: 6.1)
true
>>>

返回的true，说明可以

通过pycharm却不行，如下图，返回false

解决办法：

1.修改~/.bashrc

将pycahrm的路径加到环境中，示例如下：

alias pycharm="bash /home/answer/文档/pycharm-professional-2019.3.2/pycharm-2019.3.2/bin/pycharm.sh"

刷新生效：

source ~/.bashrc

2.修改pycharm中的环境变量

选择pycharm 菜单栏run ——> run-edit configurations ——> environment variables——> 将cuda的路径加进去 例如：ld_library_path=/usr/local/cuda-10.1/lib64

在运行就可以了

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