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Aland, Sebastian
amdis
Commits
33302a9b
Commit
33302a9b
authored
Feb 13, 2014
by
Backofen, Rainer
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Added Feature: Configure Zoltan with initfile
parent
5d49651f
Changes
1
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57 additions
and
4 deletions
+57
-4
AMDiS/src/parallel/ZoltanPartitioner.cc
AMDiS/src/parallel/ZoltanPartitioner.cc
+57
-4
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AMDiS/src/parallel/ZoltanPartitioner.cc
View file @
33302a9b
...
...
@@ -24,6 +24,7 @@
#include "parallel/ZoltanPartitioner.h"
#include "Traverse.h"
#include "ElInfo.h"
#include "Initfile.h"
using
namespace
std
;
...
...
@@ -34,7 +35,23 @@ namespace AMDiS { namespace Parallel {
:
MeshPartitioner
(
name
,
comm
),
zoltan
(
*
comm
),
elWeights
(
nullptr
)
{}
{
/* Read configuration for Zoltan
* format in initfile:
* <tag><NameOfZoltanParameter>:<ValueOfParameter>
* e.g.
* zoltan parameter->LB_METHOD: GRAPH
*/
std
::
string
tag
=
"zoltan parameter->"
;
std
::
string
tagInitial
=
"zoltan parameter->"
;
Parameters
::
get
(
"zoltan->parameter tag"
,
tag
);
Parameters
::
get
(
"zoltan->parameter initial tag"
,
tagInitial
);
Parameters
::
getParameterMap
(
tag
,
paramMap
,
2
);
Parameters
::
getParameterMap
(
tagInitial
,
paramMapInitial
,
2
);
}
bool
ZoltanPartitioner
::
partition
(
map
<
int
,
double
>
&
weights
,
...
...
@@ -53,7 +70,7 @@ namespace AMDiS { namespace Parallel {
zoltan
.
Set_Num_Obj_Fn
(
ZoltanFunctions
::
box_getNumObj
,
this
);
zoltan
.
Set_Obj_List_Fn
(
ZoltanFunctions
::
box_getObjectList
,
this
);
zoltan
.
Set_Num_Geom_Fn
(
ZoltanFunctions
::
box_getNumGeom
,
this
);
zoltan
.
Set_Geom_Multi_Fn
(
ZoltanFunctions
::
box_getGeomMulti
,
this
);
//
zoltan.Set_Geom_Multi_Fn(ZoltanFunctions::box_getGeomMulti, this);
zoltan
.
Set_Num_Edges_Multi_Fn
(
ZoltanFunctions
::
box_getNumEdgeMulti
,
this
);
zoltan
.
Set_Edge_List_Multi_Fn
(
ZoltanFunctions
::
box_getEdgeListMulti
,
this
);
}
...
...
@@ -76,15 +93,51 @@ namespace AMDiS { namespace Parallel {
int
*
export_procs
;
int
*
export_to_part
;
/*
* Set default configuration for Zoltan
*/
if
(
mode
==
INITIAL
)
{
zoltan
.
Set_Param
(
"LB_APPROACH"
,
"PARTITION"
);
zoltan
.
Set_Param
(
"LB_METHOD"
,
"GRAPH"
);
zoltan
.
Set_Param
(
"REDUCE_DIMENSIONS"
,
"1"
);
zoltan
.
Set_Param
(
"DEGENERATE_RATIO"
,
"1.1"
);
zoltan
.
Set_Param
(
"RCB_RECTILINEAR_BLOCKS"
,
"1"
);
zoltan
.
Set_Param
(
"AVERAGE_CUTS"
,
"1"
);
zoltan
.
Set_Param
(
"RCB_RECOMPUTE_BOX"
,
"1"
);
if
(
boxPartitioning
)
zoltan
.
Set_Param
(
"LB_METHOD"
,
"GRAPH"
);
}
else
{
zoltan
.
Set_Param
(
"LB_APPROACH"
,
"REPARTITION"
);
zoltan
.
Set_Param
(
"LB_METHOD"
,
"GRAPH"
);
zoltan
.
Set_Param
(
"LB_APPROACH"
,
"REPARTITION"
);
zoltan
.
Set_Param
(
"LB_METHOD"
,
"GRAPH"
);
zoltan
.
Set_Param
(
"REFTREE_INITPATH"
,
"CONNECTED"
);
zoltan
.
Set_Param
(
"REDUCE_DIMENSIONS"
,
"1"
);
zoltan
.
Set_Param
(
"DEGENERATE_RATIO"
,
"1.1"
);
zoltan
.
Set_Param
(
"RCB_RECTILINEAR_BLOCKS"
,
"1"
);
zoltan
.
Set_Param
(
"AVERAGE_CUTS"
,
"1"
);
zoltan
.
Set_Param
(
"RCB_RECOMPUTE_BOX"
,
"1"
);
}
/*
* Overwrite default config of zoltan with Values
* defined in init-file.
*/
if
(
mode
==
INITIAL
)
{
std
::
map
<
string
,
string
>::
const_iterator
itr
;
for
(
itr
=
paramMapInitial
.
begin
();
itr
!=
paramMapInitial
.
end
();
++
itr
)
if
(
zoltan
.
Set_Param
((
*
itr
).
first
,
(
*
itr
).
second
)
!=
ZOLTAN_OK
){
ERROR_EXIT
(
"Wrong parameter for Zoltan in Initfile (paramInitialMap): %s : %s
\n
"
,
(
*
itr
).
first
.
c_str
(),
(
*
itr
).
second
.
c_str
());
}
}
else
{
std
::
map
<
string
,
string
>::
const_iterator
itr
;
for
(
itr
=
paramMap
.
begin
();
itr
!=
paramMap
.
end
();
++
itr
)
if
(
zoltan
.
Set_Param
((
*
itr
).
first
,
(
*
itr
).
second
)
!=
ZOLTAN_OK
){
ERROR_EXIT
(
"Wrong parameter for Zoltan in Initfile (paramMap): %s : %s
\n
"
,
(
*
itr
).
first
.
c_str
(),
(
*
itr
).
second
.
c_str
());
}
}
zoltan
.
Set_Param
(
"OBJ_WEIGHT_DIM"
,
"1"
);
#if (DEBUG != 0)
...
...
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