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2025-06-03 04:13:53
0 0
Make sure that ninja is installed and that it works correctly (e.g. ninja --version then echo $? should return exit code 0). If not (sometimes ninja --version then echo $? returns a nonzero exit code), uninstall then reinstall ninja (pip uninstall -y ninja && pip install ninja). Without ninja, compiling can take a very long time (2h) since it does not use multiple CPU cores. With ninja compiling takes 3-5 minutes on a 64-core machine using CUDA toolkit.