TROUBLESHOOTING.md

Troubleshooting Common Problems:

Running PyTorch on GPU:

In order to run Hummingbird on PyTorch with GPU, you will need to python -m pip uninstall torch and re-install pytorch using the CUDA version of your machine.

Installation Issues with External Libraries:

MacOS

• xgboost installation: Ex: ./xgboost/build-python.sh: line 21: cmake: command not found

  • Install cmake (Ex: brew install cmake).

• lightgbm installation: OSError: dlopen(lib_lightgbm.so, 6): Library not loaded: ...libomp.dylib

  • There is a fixed issue with lgbm and MacOS. See LightGBM#1369.
  • see also our build file with brew install libomp

Linux

• With Yum-based Linux systems, there is an issue installing LightGBM: OSError: libgomp.so.1: cannot open shared object file: No such file or directory
  • Install libgomp with yum install libgomp

Windows

• Pytorch installation: ERROR: Could not find a version that satisfies the requirement torch>=1.4.0).
  • Install PyTorch manually by following the instructions on PyTorch website.