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Aland, Sebastian
amdis
Commits
1c145a63
Commit
1c145a63
authored
Nov 29, 2011
by
Thomas Witkowski
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Fixed problem for nnz structure with PETSc global matrix solver.
parent
6c719d35
Changes
3
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3 changed files
with
17 additions
and
4 deletions
+17
-4
AMDiS/src/parallel/ParallelDebug.cc
AMDiS/src/parallel/ParallelDebug.cc
+1
-1
AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
+4
-2
AMDiS/src/parallel/PetscSolverGlobalMatrix.h
AMDiS/src/parallel/PetscSolverGlobalMatrix.h
+12
-1
No files found.
AMDiS/src/parallel/ParallelDebug.cc
View file @
1c145a63
...
...
@@ -421,7 +421,7 @@ namespace AMDiS {
WorldVector
<
double
>
tmp
=
(
it
->
second
)[
i
];
tmp
-=
recvCoords
[
it
->
first
][
i
];
if
(
norm
(
tmp
)
>
1e-
13
)
{
if
(
norm
(
tmp
)
>
1e-
8
)
{
// === Print error message if the coordinates are not the same. ===
if
(
printCoords
)
{
MSG
(
"[DBG] i = %d
\n
"
,
i
);
...
...
AMDiS/src/parallel/PetscSolverGlobalMatrix.cc
View file @
1c145a63
...
...
@@ -48,7 +48,9 @@ namespace AMDiS {
meshDistributor
->
getMpiComm
().
Allreduce
(
&
sendValue
,
&
recvAllValues
,
1
,
MPI_INT
,
MPI_SUM
);
if
(
!
d_nnz
||
recvAllValues
!=
0
)
{
recvAllValues
=
1
;
if
(
!
d_nnz
||
recvAllValues
!=
0
||
alwaysCreateNnzStructure
)
{
if
(
d_nnz
)
{
delete
[]
d_nnz
;
d_nnz
=
NULL
;
...
...
@@ -208,7 +210,7 @@ namespace AMDiS {
void
PetscSolverGlobalMatrix
::
setDofMatrix
(
DOFMatrix
*
mat
,
int
dispMult
,
int
dispAddRow
,
int
dispAddCol
)
int
dispAddRow
,
int
dispAddCol
)
{
FUNCNAME
(
"PetscSolverGlobalMatrix::setDofMatrix()"
);
...
...
AMDiS/src/parallel/PetscSolverGlobalMatrix.h
View file @
1c145a63
...
...
@@ -39,9 +39,12 @@ namespace AMDiS {
d_nnz
(
NULL
),
o_nnz
(
NULL
),
lastMeshNnz
(
0
),
zeroStartVector
(
false
)
zeroStartVector
(
false
),
alwaysCreateNnzStructure
(
false
)
{
Parameters
::
get
(
"parallel->use zero start vector"
,
zeroStartVector
);
Parameters
::
get
(
"parallel->always create nnz structure"
,
alwaysCreateNnzStructure
);
}
void
fillPetscMatrix
(
Matrix
<
DOFMatrix
*>
*
mat
);
...
...
@@ -77,6 +80,14 @@ namespace AMDiS {
int
lastMeshNnz
;
bool
zeroStartVector
;
/// If this variable is set to true, the non-zero matrix structure is
/// created each time from scratch by calling \ref createPetscNnzStrcuture.
/// This can be necessary if the number of non-zeros in the matrix varies
/// though the mesh does not change. This may happen if there are many
/// operators using DOFVectors from old timestep containing many zeros due to
/// some phase fields.
bool
alwaysCreateNnzStructure
;
};
...
...
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