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Backofen, Rainer
amdis
Commits
23eb48b5
Commit
23eb48b5
authored
Jul 09, 2009
by
Thomas Witkowski
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Cool, the parallelization works. Why, I do not know.
parent
6f81ca98
Changes
1
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1 changed file
with
17 additions
and
18 deletions
+17
-18
AMDiS/src/ParallelDomainProblem.cc
AMDiS/src/ParallelDomainProblem.cc
+17
-18
No files found.
AMDiS/src/ParallelDomainProblem.cc
View file @
23eb48b5
...
...
@@ -24,7 +24,7 @@ namespace AMDiS {
PetscErrorCode
myKSPMonitor
(
KSP
ksp
,
PetscInt
iter
,
PetscReal
rnorm
,
void
*
)
{
if
(
iter
%
1
==
0
&&
MPI
::
COMM_WORLD
.
Get_rank
()
==
0
)
if
(
iter
%
1
00
==
0
&&
MPI
::
COMM_WORLD
.
Get_rank
()
==
0
)
std
::
cout
<<
" Iteration "
<<
iter
<<
": "
<<
rnorm
<<
std
::
endl
;
return
0
;
...
...
@@ -108,7 +108,6 @@ namespace AMDiS {
updateDofAdmins
();
// === Global refinements. ===
int
globalRefinement
=
0
;
...
...
@@ -579,15 +578,15 @@ namespace AMDiS {
// === Create for all rank owned dofs a new global indexing. ===
// Stores for
all rank owned dofs
a new global index.
DofIndexMap
rank
Owned
DofsNewGlobalIndex
;
// Stores for
dofs in rank
a new global index.
DofIndexMap
rankDofsNewGlobalIndex
;
// Stores for all rank owned dofs a continues local index.
DofIndexMap
rankOwnedDofsNewLocalIndex
;
i
=
0
;
for
(
DofContainer
::
iterator
dofIt
=
rankDOFs
.
begin
();
dofIt
!=
rankDOFs
.
end
();
++
dofIt
)
{
rank
Owned
DofsNewGlobalIndex
[
*
dofIt
]
=
i
+
rstart
;
rankDofsNewGlobalIndex
[
*
dofIt
]
=
i
+
rstart
;
rankOwnedDofsNewLocalIndex
[
*
dofIt
]
=
i
;
i
++
;
}
...
...
@@ -615,10 +614,10 @@ namespace AMDiS {
itRanks
!=
partitionDOFs
[
it
->
first
].
end
();
++
itRanks
)
{
if
(
*
itRanks
!=
mpiRank
)
{
TEST_EXIT_DBG
(
rank
Owned
DofsNewGlobalIndex
.
count
(
it
->
first
)
==
1
)
TEST_EXIT_DBG
(
rankDofsNewGlobalIndex
.
count
(
it
->
first
)
==
1
)
(
"DOF Key not found!
\n
"
);
sendNewDofs
[
*
itRanks
][
it
->
first
]
=
rank
Owned
DofsNewGlobalIndex
[
it
->
first
];
sendNewDofs
[
*
itRanks
][
it
->
first
]
=
rankDofsNewGlobalIndex
[
it
->
first
];
}
}
}
else
{
...
...
@@ -725,7 +724,7 @@ namespace AMDiS {
dofChanged
[
dofIt
->
first
]
=
true
;
recvDofs
[
recvIt
->
first
].
push_back
(
dofIt
->
first
);
rank
Owned
DofsNewGlobalIndex
[
dofIt
->
first
]
=
newGlobalDof
;
rankDofsNewGlobalIndex
[
dofIt
->
first
]
=
newGlobalDof
;
isRankDof
[
rankDofsNewLocalIndex
[
dofIt
->
first
]]
=
false
;
found
=
true
;
...
...
@@ -745,7 +744,7 @@ namespace AMDiS {
for
(
DofIndexMap
::
iterator
dofIt
=
rankDofsNewLocalIndex
.
begin
();
dofIt
!=
rankDofsNewLocalIndex
.
end
();
++
dofIt
)
{
DegreeOfFreedom
localDof
=
dofIt
->
second
;
DegreeOfFreedom
globalDof
=
rank
Owned
DofsNewGlobalIndex
[
dofIt
->
first
];
DegreeOfFreedom
globalDof
=
rankDofsNewGlobalIndex
[
dofIt
->
first
];
*
const_cast
<
DegreeOfFreedom
*>
(
dofIt
->
first
)
=
localDof
;
mapLocalGlobalDOFs
[
localDof
]
=
globalDof
;
...
...
@@ -932,15 +931,13 @@ namespace AMDiS {
mpiComm
.
Allreduce
(
&
nRankDOFs
,
&
nOverallDOFs
,
1
,
MPI_INT
,
MPI_SUM
);
// ===
// Do not change the indices now, but create a new indexing a store it here.
DofIndexMap
rankDofsNewLocalIndex
;
isRankDof
.
clear
();
int
i
=
0
;
for
(
DofContainer
::
iterator
dofIt
=
rankAllDofs
.
begin
();
dofIt
!=
rankAllDofs
.
end
();
++
dofIt
)
{
rankDofsNewLocalIndex
[
*
dofIt
]
=
i
;
// First, we set all dofs in ranks partition to be owend by the rank. Later,
// the dofs in ranks partition that are owned by other rank are set to false.
...
...
@@ -949,14 +946,14 @@ namespace AMDiS {
}
// Stores for all rank owned dofs a new global index.
DofIndexMap
rank
Owned
DofsNewGlobalIndex
;
DofIndexMap
rankDofsNewGlobalIndex
;
// Stores for all rank owned dofs a continues local index.
DofIndexMap
rankOwnedDofsNewLocalIndex
;
i
=
0
;
for
(
DofContainer
::
iterator
dofIt
=
rankDOFs
.
begin
();
dofIt
!=
rankDOFs
.
end
();
++
dofIt
)
{
rank
Owned
DofsNewGlobalIndex
[
*
dofIt
]
=
i
+
rstart
;
rankDofsNewGlobalIndex
[
*
dofIt
]
=
i
+
rstart
;
rankOwnedDofsNewLocalIndex
[
*
dofIt
]
=
i
;
i
++
;
}
...
...
@@ -978,7 +975,7 @@ namespace AMDiS {
int
c
=
0
;
for
(
DofContainer
::
iterator
dofIt
=
sendIt
->
second
.
begin
();
dofIt
!=
sendIt
->
second
.
end
();
++
dofIt
)
sendBuffers
[
i
][
c
++
]
=
rank
Owned
DofsNewGlobalIndex
[
*
dofIt
];
sendBuffers
[
i
][
c
++
]
=
rankDofsNewGlobalIndex
[
*
dofIt
];
request
[
requestCounter
++
]
=
mpiComm
.
Isend
(
sendBuffers
[
i
],
nSendDofs
,
MPI_INT
,
sendIt
->
first
,
0
);
...
...
@@ -1006,14 +1003,15 @@ namespace AMDiS {
for
(
DofContainer
::
iterator
dofIt
=
recvIt
->
second
.
begin
();
dofIt
!=
recvIt
->
second
.
end
();
++
dofIt
)
{
rank
Owned
DofsNewGlobalIndex
[
*
dofIt
]
=
recvBuffers
[
i
][
j
];
isRankDof
[
rank
Owned
DofsNewLocalIndex
[
*
dofIt
]]
=
false
;
rankDofsNewGlobalIndex
[
*
dofIt
]
=
recvBuffers
[
i
][
j
];
isRankDof
[
rankDofsNewLocalIndex
[
*
dofIt
]]
=
false
;
j
++
;
}
delete
[]
recvBuffers
[
i
++
];
}
// === Update list of dofs that must be communicated for solution exchange. ===
sendDofs
=
sendNewDofs
;
...
...
@@ -1023,11 +1021,12 @@ namespace AMDiS {
// === Create now the local to global index, and vice verse, mappings. ===
mapLocalGlobalDOFs
.
clear
();
mapLocalToDofIndex
.
clear
();
for
(
DofIndexMap
::
iterator
dofIt
=
rankDofsNewLocalIndex
.
begin
();
dofIt
!=
rankDofsNewLocalIndex
.
end
();
++
dofIt
)
{
DegreeOfFreedom
localDof
=
dofIt
->
second
;
DegreeOfFreedom
globalDof
=
rank
Owned
DofsNewGlobalIndex
[
dofIt
->
first
];
DegreeOfFreedom
globalDof
=
rankDofsNewGlobalIndex
[
dofIt
->
first
];
*
const_cast
<
DegreeOfFreedom
*>
(
dofIt
->
first
)
=
localDof
;
mapLocalGlobalDOFs
[
localDof
]
=
globalDof
;
...
...
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