iyamazaki

ShyLU_DD, Frosch : compute time with GPUs

91

## Motivation This PR aims to improve compute time of FROSch with GPUs - split extractLocalSubdomainMatrix into symbolic and compute phases (for AlgebraicOverlappingOperator and HarmonicCoarseOperator). - use Kokkos for extracting...

Right now, I get compiler errors like: ` no suitable user-defined conversion from "Kokkos::Experimental::Impl::floating_point_wrapper" to "Kokkos::Experimental::bhalf_t" exists`

FROSch : add option to use HalfPrecisionOperator

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@trilinos/shylu ## Motivation This PR adds an option to use `HalfPrecisionOperator` - The option is implemented just for `RGDSW` and `TwoLevel` Preconditioner - FROSch is also updated to remove some...

Amesos : add Amesos::Create interface to CSS MKL

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@trilinos/amesos ## Motivation This PR adds ``Amesos::Create`` interface to CSS MKL ## Testing Added CSS MKL to ``Test_Detailed``

ShyLU - Basker : replace View-of-Views with std::vector-of-Views

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@trilinos/shylu ## Motivation This PR replaces the view-of-views in ShyLU-Basker (which was causing deadlocks) with vector-of-views. ## Testing ## Additional Information It also serializes some parallel-fors, where the memory allocation...