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ROCm/python
youkaichao c9ab44888e [FRONTEND] improve the process of finding libcuda.so and the error message (#1981)
`triton` uses `whereis` command to find `libcuda.so`, which is intended
to find binary, source, and manual page files. When `libcuda.so` is not
properly setup, the `whereis` command ends up with
`/usr/share/man/man7/libcuda.7`, which is not the place to look for.

This PR uses `ldconfig -p` to reliably find `libcuda.so`.

In my case, I find that I have a `libcuda.so.1` file, but it is not
linked to `libcuda.so`. Therefore `ld` cannot find the library to link.
After creating the linking, I was able to run `triton` successfully.

Therefore, I improve the code by first invoking `ldconfig -p`, and
checking `libcuda.so` strings first. These might be possible library to
link against. If the literal `libcuda.so` file is not found, then I
raise an error and tells the user that a possible fix is to create a
symlink file.
2023-07-23 10:31:07 -07:00
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