Added Kokkos GPU implementation of ISAI approximate inverse and lAIR …#223
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stevendargaville wants to merge 2 commits intomainfrom
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Added Kokkos GPU implementation of ISAI approximate inverse and lAIR …#223stevendargaville wants to merge 2 commits intomainfrom
stevendargaville wants to merge 2 commits intomainfrom
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…z type. SAI types are not yet implemented. Also not yet well optimised - lAIR is difficult on a GPU as the size of the dense inverses required changes at every row so they can't be batched. The dense matrices also require lots of temporary memory, which limits the threads/teams/warps that can be launched at any one time
…os debug comparisons, as the approx solve is converged to a bigger tolerance
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…z type. SAI types are not yet implemented. Also not yet well optimised - lAIR is difficult on a GPU as the size of the dense inverses required changes at every row so they can't be batched. The dense matrices also require lots of temporary memory, which limits the threads/teams/warps that can be launched at any one time