RuntimeError: CUDA error: invalid device ordinal

[yinzhiqiangluvlzx]

作者，您好。我在使用DeepCoNN训练模型的时候需要RuntimeError: CUDA error: invalid device ordinal问题，搜索了一圈没有有效的方法，想请教您帮我看看，十分感谢！ (pytorch) D:\workspace\pycharm\Neu-Review-Rec>python main.py train --model=DeepCoNN --num_fea=1 --output=fm load npy from dist...

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user config: vocab_size => 50002 word_dim => 300 r_max_len => 202 u_max_r => 13 i_max_r => 24 train_data_size => 51764 test_data_size => 6471 val_data_size => 6471 user_num => 5543 item_num => 3570 batch_size => 128 print_step => 100

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Traceback (most recent call last): File "main.py", line 212, in fire.Fire() File "C:\Users\yinzhiqiang\anaconda3\envs\pytorch\lib\site-packages\fire\core.py", line 138, in Fire component_trace = _Fire(component, args, parsed_flag_args, context, name) File "C:\Users\yinzhiqiang\anaconda3\envs\pytorch\lib\site-packages\fire\core.py", line 468, in _Fire target=component.name) File "C:\Users\yinzhiqiang\anaconda3\envs\pytorch\lib\site-packages\fire\core.py", line 672, in CallAndUpdateTrace component = fn(*varargs, **kwargs) File "main.py", line 43, in train torch.cuda.set_device(opt.gpu_id) File "C:\Users\yinzhiqiang\anaconda3\envs\pytorch\lib\site-packages\torch\cuda_init.py", line 263, in set_device torch._C._cuda_setDevice(device) RuntimeError: CUDA error: invalid device ordinal

[ShomyLiu]

你好，配置文件中默认的gpu_id设置为1， 如果机器只有一个显卡的话，需要设置为0.

[yinzhiqiangluvlzx]

谢谢您的解答！问题已经解决了，十分感谢！期待您后续把其他算法完善!

[ShomyLiu]

争取年前可以完成，欢迎提PR