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Adding support for using Eigen in HIP kernels.

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This commit enables the use of Eigen on HIP kernels / AMD GPUs. Support has been added along the same lines as what already exists for using Eigen in CUDA kernels / NVidia GPUs.

Application code needs to explicitly define EIGEN_USE_HIP when using Eigen in HIP kernels. This is because some of the CUDA headers get picked up by default during Eigen compile (irrespective of whether or not the underlying compiler is CUDACC/NVCC, for e.g. Eigen/src/Core/arch/CUDA/Half.h). In order to maintain this behavior, the EIGEN_USE_HIP macro is used to switch to using the HIP version of those header files (see Eigen/Core and unsupported/Eigen/CXX11/Tensor)


Use the "-DEIGEN_TEST_HIP" cmake option to enable the HIP specific unit tests.
This commit is contained in:
Deven Desai
2018-06-06 10:12:58 -04:00
parent e206f8d4a4
commit 8fbd47052b
50 changed files with 9527 additions and 94 deletions
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Eigen/src/SVD/BDCSVD.h
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@@ -1299,7 +1299,7 @@ void BDCSVD<MatrixType>::deflation(Eigen::Index firstCol, Eigen::Index lastCol,
#endif
}//end deflation
#ifndef EIGEN_CUDACC
#if !defined(EIGEN_CUDACC) && !defined(EIGEN_HIPCC)
/** \svd_module
*
* \return the singular value decomposition of \c *this computed by Divide & Conquer algorithm