Apex ModuleNotFoundError: 'fused_adam_cuda' about spanbert HOT 13 CLOSED

@varadhbhatnagar You should install apex with the recommended command in README and not by simply running pip install setup.py. Especially if you are installing it with the CUDA capabilities.

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Possibly an Apex issue? Did you try the version in the README?

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Apologies. I missed that. Not sure what's wrong then. All the related github threads seem to be coming from the Apex repo, so it does seem to be the source.

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Turns out that apex wasn't installed correctly. I installed by python setup.py install and not following the instruction on apex's README file. Thanks anyways!

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Turns out that apex wasn't installed correctly. I installed by python setup.py install and not following the instruction on apex's README file. Thanks anyways!

I met the same error, and I installed the apex from the latest source, that does't work for me. Which version of apex do you use?

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@kaniblu Can you elaborate a bit on how you solved this issue? I am having the same problem.

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For those who still met the issue, this way of installation works for me: NVIDIA/apex#86 (comment)

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@kaniblu @vincentlux May I know the version of Pytorch, CUDA you are using?

With the recommended command in README: pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./

I am still not able to install the apex. Below is the main error:

/anaconda3/lib/python3.7/site-packages/torch/utils/cpp_extension.py", line 1529, in _run_ninja_build
raise RuntimeError(message)
RuntimeError: Error compiling objects for extension

...

Given no hashes to check 145 links for project 'pip': discarding no candidates.

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@kaniblu
excuse me , could you tell me how to install apex@4a8c4ac
I just use
--!git clone https://github.com/NVIDIA/apex
--cd apex
--pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./" '
in colab and modify the 'from apex.optimizers import FusedAdam' to 'from apex.contrib.optimizers import FusedAdam'
but I get the same question with you
thanx~

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@tyistyler I believe you can try "git checkout 4a8c4ac" before pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./

p.s. I just installed it when I downgrade my pip to 18.0

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@tyistyler I believe you can try "git checkout 4a8c4ac" before pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./

p.s. I just installed it when I downgrade my pip to 18.0

Thanks for sharing this, I still have some trouble installing the apex. The one thing I don't get is how to install that specific commit of apex that is mentioned in the readme. Is this git checkout 4a8c4ac the exact command you used for that since it does not look like a valid command?

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