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Ready for faster 3 level solve with dense coarse and BLAS on SRHS !

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This commit is contained in:
Peter Boyle
2026-08-20 11:44:26 -04:00
parent 2fde4f3e50
commit 97c9178785
8 changed files with 573 additions and 77 deletions
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Grid/algorithms/multigrid/GeneralCoarsenedMatrixMultiRHSV2.h
+12 -3
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@@ -110,13 +110,22 @@ public:
}
}
// Can be used to do I/O on the operator matrices externally
void SetMatrix (int p,CoarseMatrix & A)
//////////////////////////////////////////////////////////////////////////
// Bilingual accessors, matching GeneralCoarsenedMatrix. Note Grid() is the
// D+1 multiRHS grid here, so a consumer wanting the space the elements live
// on must ask for CoarseGridD().
//////////////////////////////////////////////////////////////////////////
NonLocalStencilGeometry & Geometry(void) { return geom_srhs; };
void ExtractMatrix(int p,CoarseMatrix &A) { BLAStoGrid(A,BLAS_A[p]); };
// I/O on the operator matrices, via the BLAS layout array. The parameter is
// a vector over the geometry points; the body indexes A[p].
void SetMatrix (int p,std::vector<CoarseMatrix> & A)
{
GRID_ASSERT(A.size()==geom_srhs.npoint);
GridtoBLAS(A[p],BLAS_A[p]);
}
void GetMatrix (int p,CoarseMatrix & A)
void GetMatrix (int p,std::vector<CoarseMatrix> & A)
{
GRID_ASSERT(A.size()==geom_srhs.npoint);
BLAStoGrid(A[p],BLAS_A[p]);