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Buf fix on DenseCoarseMatrix.h, coefficient caching optimisation on BatchGEMM

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This commit is contained in:
Peter Boyle
2026-08-13 13:26:42 -04:00
parent b039e659af
commit 4dfbd850ff
2 changed files with 58 additions and 25 deletions
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Grid/algorithms/multigrid/DenseCoarseMatrix.h
+5 -1
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@@ -272,7 +272,11 @@ public:
for(int p=0; p<_Op.geom.npoint; p++){
Coordinate shift = _Op.geom.shifts[p];
autoView(Av, _Op._A[p], CpuRead);
// _A[p] is PADDED after ExchangeCoarseLinks (end of CoarsenOperator):
// extract the unpadded field before peeking with unpadded coordinates
// (exactly as MultiGeneralCoarsenedMatrix::CopyMatrix does).
CoarseMatrix Aun = _Op.Cell.Extract(_Op._A[p]);
autoView(Av, Aun, CpuRead);
thread_for(ss, lsites, {
Coordinate ncoor(nd);
for(int d=0; d<nd; d++){