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Aland, Sebastian
amdis
Commits
eecb3b56
Commit
eecb3b56
authored
Jun 27, 2012
by
Thomas Witkowski
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Fixed the last nnz structure problem. Now go on to make it fast.
parent
2bbf10f7
Changes
1
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12 additions
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13 deletions
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-13
AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
+12
-13
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AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
View file @
eecb3b56
...
...
@@ -145,6 +145,7 @@ namespace AMDiS {
*
coarseSpaceMap
,
*
coarseSpaceMap
,
nnzCoarse
);
createPetscNnzStructureWithCoarseSpace
(
mat
,
*
coarseSpaceMap
,
*
interiorMap
,
...
...
@@ -185,18 +186,18 @@ namespace AMDiS {
MatCreateAIJ
(
mpiCommGlobal
,
nRowsRankCoarse
,
nRowsRankInterior
,
nRowsOverallCoarse
,
nGlobalOverallInterior
,
100
,
PETSC_NULL
,
100
,
PETSC_NULL
,
//
0, nnzCoarseInt.dnnz, 0, nnzCoarseInt.onnz,
//
100, PETSC_NULL, 100, PETSC_NULL,
0
,
nnzCoarseInt
.
dnnz
,
0
,
nnzCoarseInt
.
onnz
,
&
matCoarseInt
);
MatSetOption
(
matCoarseInt
,
MAT_NEW_NONZERO_ALLOCATION_ERR
,
PETSC_FALSE
);
//
MatSetOption(matCoarseInt, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE);
MatCreateAIJ
(
mpiCommGlobal
,
nRowsRankInterior
,
nRowsRankCoarse
,
nGlobalOverallInterior
,
nRowsOverallCoarse
,
100
,
PETSC_NULL
,
100
,
PETSC_NULL
,
//
0, nnzIntCoarse.dnnz, 0, nnzIntCoarse.onnz,
//
100, PETSC_NULL, 100, PETSC_NULL,
0
,
nnzIntCoarse
.
dnnz
,
0
,
nnzIntCoarse
.
onnz
,
&
matIntCoarse
);
MatSetOption
(
matIntCoarse
,
MAT_NEW_NONZERO_ALLOCATION_ERR
,
PETSC_FALSE
);
//
MatSetOption(matIntCoarse, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE);
}
// === Prepare traverse of sequentially created matrices. ===
...
...
@@ -340,9 +341,6 @@ namespace AMDiS {
MatAssemblyEnd
(
matCoarseInt
,
MAT_FINAL_ASSEMBLY
);
}
AMDiS
::
finalize
();
exit
(
0
);
// === Remove Dirichlet BC DOFs. ===
// removeDirichletBcDofs(mat);
...
...
@@ -1443,9 +1441,9 @@ namespace AMDiS {
// matrices, the problem may arise, that the result is larger than the
// number of elements in a row. This is fixed in the following.
//
if (nRankRows < 100)
//
for (int i = 0; i < nRankRows; i++)
// nnzInterior.dnnz[i] = std::min(nnzInterior
.dnnz[i], nRankCols);
if
(
nRankRows
<
100
)
for
(
int
i
=
0
;
i
<
nRankRows
;
i
++
)
nnz
.
dnnz
[
i
]
=
std
::
min
(
nnz
.
dnnz
[
i
],
nRankCols
);
#if (DEBUG != 0)
int
nMax
=
0
;
...
...
@@ -1470,6 +1468,7 @@ namespace AMDiS {
MSG
(
"NNZ in offdiag block: max = %d, avrg = %.0f
\n
"
,
nMax
,
(
nSum
>
0
?
(
static_cast
<
double
>
(
nSum
)
/
nRankRows
)
:
0
));
}
}
#endif
}
}
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