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cuda_root_path: Find cuda libraries when installed with conda packages #20288

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cuda_root_path: Find cuda libraries when installed with conda packages #20288

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11 changes: 11 additions & 0 deletions xla/tsl/platform/default/cuda_root_path.cc
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Expand Up @@ -75,6 +75,17 @@ std::vector<std::string> CandidateCudaRoots() {
// Also add the path to the copy of libdevice.10.bc that we include within
// the Python wheel.
roots.emplace_back(io::JoinPath(dir, "cuda"));

// In case cuda was installed with nvidia's official conda packages, we also
// include the root prefix of the environment in the candidate roots dir,
// we assume that the lib binaries are either in the python package's root dir
// or in a 'python' subdirectory, as done by the previous for.
// python packages on non-Windows platforms are installed in
// $CONDA_PREFIX/lib/python3.12/site-packages/pkg_name, so if we want
// to add $CONDA_PREFIX to the candidate roots dirs we need to add
// ../../../..
for (auto path : {"../../../..", "../../../../.."})
roots.emplace_back(io::JoinPath(dir, path));
}
#endif // defined(PLATFORM_POSIX) && !defined(__APPLE__)

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