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Author SHA1 Message Date
Tobias Meyer Andersen ee95223b27 Use std::optional to only allocate reordered matrix when using multiple threads 2023-11-22 10:10:29 +01:00
Tobias Meyer Andersen e22f4399a0 fix typo 2023-11-22 09:16:43 +01:00
Tobias Meyer Andersen 5f6c97ff3b add OpenMP parallelized version of DILU. 
Implement graphcoloring to expose rows in level sets that that can be
executed in parallel during the sparse triangular solves.
Add copy of A matrix that is reordered to ensure continuous memory reads
when traversing the matrix in level set order.
TODO: add number of threads available as constructor argument in DILU
 2023-11-21 15:41:53 +01:00
Tobias Meyer Andersen e2a531dd65 replace loop with std function, remove print from test 2023-11-21 09:52:48 +01:00
Tobias Meyer Andersen 3cd1873771 add graph coloring 2023-11-20 16:57:56 +01:00
Tobias Meyer Andersen 6ca84a16e1 test_dilu: cosmetics 2023-11-20 13:06:44 +01:00
Tobias Meyer Andersen 54b7f9c44f GraphColoring.hpp: cosmetics 2023-11-20 13:06:40 +01:00
Tobias Meyer Andersen 9309f96d8f GraphColoring.hpp: reorder headers 2023-11-20 13:06:34 +01:00
Tobias Meyer Andersen 8b396fa3dc Update test properties of new tests using CUDA. Avoid comparison causing new warning 2023-10-16 11:31:00 +02:00
Tobias Meyer Andersen 533c5a1a3e Combine new diagonalMV kernels into one using 
template arguements.
Use more consistent naming conventions.
Change printing function of CuVector from output
stream overload to toDebugString().
 2023-10-16 09:53:02 +02:00
Tobias Meyer Andersen c809819cbd Fuse kernels to optimize performance and update 
the tests and documentation.
 2023-10-13 10:31:17 +02:00
Tobias Meyer Andersen fbeb006d45 Simplify and optimize the Jacobi preconditioner 
apply. Fix .h and .cpp mistakes in cmake.
 2023-10-13 10:31:17 +02:00
Tobias Meyer Andersen 1e4b0e97ee Add jacobi preconditioner that runs on the GPU. 
Implement calls to cuBlas, cuSparse and implement necessary
CUDA kernels to perform a single iteration of the jacobi preconditioner.

Add tests that verify new kernels and the preconditioner in its totality.

The preconditioner is verified on 2x2 and 3x3 blocks, which as of now
are the only supported sizes. 1x1 are not supported because cuSparse
does not support it.
 2023-10-13 10:31:17 +02:00