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Commit c89c0012 authored by Thomas Witkowski's avatar Thomas Witkowski
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* Moved marker to source file

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AMDiS/src/Marker.cc
+ 201
− 1
View file @ c89c0012
......@@ -2,7 +2,7 @@
namespace AMDiS {
Marker *Marker::createMarker(::std::string name, int row) {
Marker *Marker::createMarker(std::string name, int row) {
int strategy = 0;
GET_PARAMETER(0, name + "->strategy", "%d", &strategy);
......@@ -28,5 +28,205 @@ namespace AMDiS {
return marker;
}
void Marker::initMarking(AdaptInfo *adaptInfo, Mesh *mesh)
{
elMarkRefine = 0;
elMarkCoarsen = 0;
estSum = pow(adaptInfo->getEstSum(row == -1 ? 0 : row), p);
estMax = adaptInfo->getEstMax(row == -1 ? 0 : row);
}
void Marker::finishMarking(AdaptInfo *adaptInfo) {
FUNCNAME("Marker::finishMarking()");
INFO(info, 4)("%d elements marked for refinement\n", elMarkRefine);
INFO(info, 4)("%d elements marked for coarsening\n", elMarkCoarsen);
}
void Marker::markElement(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if (adaptInfo->isRefinementAllowed(row == -1 ? 0 : row) && lError > markRLimit) {
setMark(el, adaptInfo->getRefineBisections(row == -1 ? 0 : row));
} else {
if (adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) && lError <= markCLimit) {
if (!el->getElementData()->getElementData(COARSENABLE) ||
(lError + el->getCoarseningEstimation(row)) <= markCLimit) {
setMark(el, -adaptInfo->getCoarseBisections(row == -1 ? 0 : row));
}
}
}
}
Flag Marker::markMesh(AdaptInfo *adaptInfo, Mesh *mesh) {
initMarking(adaptInfo, mesh);
if (!adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) &&
!adaptInfo->isRefinementAllowed(row == -1 ? 0 : row)) {
return 0;
}
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while (elInfo) {
markElement(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
finishMarking(adaptInfo);
Flag markFlag;
if (elMarkRefine)
markFlag = 1;
if (elMarkCoarsen)
markFlag |= 2;
return(markFlag);
}
void ESMarker::initMarking(AdaptInfo *adaptInfo, Mesh *mesh) {
FUNCNAME("ESMarker::initMarking()");
Marker::initMarking(adaptInfo, mesh);
double ESThetaP = pow(ESTheta, p);
double ESThetaCP = pow(ESThetaC, p);
double epsP = pow(adaptInfo->getSpaceTolerance(row == -1 ? 0 : row), p);
markRLimit = ESThetaP * epsP / mesh->getNumberOfLeaves();
markCLimit = ESThetaCP * epsP / mesh->getNumberOfLeaves();
INFO(info, 2)
("start mark_limits: %.3le %.3le nt=%d\n",
markRLimit, markCLimit, mesh->getNumberOfLeaves());
}
Flag GERSMarker::markMesh(AdaptInfo *adaptInfo, Mesh *mesh) {
FUNCNAME("GERSMarker::markMesh()");
initMarking(adaptInfo, mesh);
if (!adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) &&
!adaptInfo->isRefinementAllowed(row == -1 ? 0 : row)) {
return 0;
}
GERSSum = 0.0;
double LTheta = pow(1.0 - GERSThetaStar, p);
double improv, redfac, wanted, epsP, GERSGamma;
epsP = pow(adaptInfo->getSpaceTolerance(row == -1 ? 0 : row), p);
if (estSum < oldErrSum) {
improv = estSum / oldErrSum;
wanted = 0.8 * epsP / estSum;
redfac = std::min((1.0 - wanted) / (1.0 - improv), 1.0);
redfac = std::max(redfac, 0.0);
if (redfac < 1.0) {
LTheta *= redfac;
INFO(info, 1)
("GERS: use extrapolated theta_star = %lf\n",
pow(LTheta, 1.0 / p));
}
}
oldErrSum = estSum;
GERSGamma = 1.0;
if (adaptInfo->isRefinementAllowed(row == -1 ? 0 : row)) {
if (LTheta > 0) {
do {
GERSSum = 0.0;
GERSGamma -= GERSNu;
markRLimit = GERSGamma * estMax;
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while (elInfo) {
markElementForRefinement(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
} while((GERSGamma > 0) && (GERSSum < LTheta * estSum));
}
INFO(info, 2)
("GERS refinement with gamma = %.3lf\n", GERSGamma);
}
if (adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row)) {
GERSGamma = 0.3;
LTheta = GERSThetaC * epsP;
do {
GERSSum = 0.0;
GERSGamma -= GERSNu;
markCLimit = GERSGamma * estMax;
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while (elInfo) {
markElementForCoarsening(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
INFO(info, 6)
("coarse loop: gamma=%.3e, sum=%.3e, limit=%.3e\n",
GERSGamma, GERSSum, LTheta);
} while(GERSSum > LTheta);
INFO(info, 2)
("GERS coarsening with gamma = %.3lf\n", GERSGamma);
}
finishMarking(adaptInfo);
Flag markFlag;
if (elMarkRefine)
markFlag = 1;
if (elMarkCoarsen)
markFlag |= 2;
return(markFlag);
}
void GERSMarker::markElementForRefinement(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if (lError > markRLimit) {
GERSSum += lError;
setMark(el, adaptInfo->getRefineBisections(row == -1 ? 0 : row));
}
}
void GERSMarker::markElementForCoarsening(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if (el->getMark() <= 0) {
if (el->getElementData()->getElementData(COARSENABLE)) {
lError += el->getCoarseningEstimation(row);
}
if (lError <= markCLimit) {
GERSSum += lError;
setMark(el, -adaptInfo->getCoarseBisections(row == -1 ? 0 : row));
} else {
setMark(el, 0);
}
}
}
}
AMDiS/src/Marker.h
+ 15
− 192
View file @ c89c0012
......@@ -54,7 +54,7 @@ namespace AMDiS {
/** \brief
* Constructor.
*/
Marker(::std::string name_, int row_)
Marker(std::string name_, int row_)
: name(name_),
row(row_),
maximumMarking(false),
......@@ -100,68 +100,22 @@ namespace AMDiS {
/** \brief
* Can be used by sub classes. Called before traversal.
*/
virtual void initMarking(AdaptInfo *adaptInfo, Mesh *mesh) {
elMarkRefine = 0;
elMarkCoarsen = 0;
estSum = pow(adaptInfo->getEstSum(row == -1 ? 0 : row), p);
estMax = adaptInfo->getEstMax(row == -1 ? 0 : row);
};
virtual void initMarking(AdaptInfo *adaptInfo, Mesh *mesh);
/** \brief
* Can be used by sub classes. Called after traversal.
*/
virtual void finishMarking(AdaptInfo *adaptInfo) {
FUNCNAME("Marker::finishMarking()");
INFO(info, 4)("%d elements marked for refinement\n", elMarkRefine);
INFO(info, 4)("%d elements marked for coarsening\n", elMarkCoarsen);
};
virtual void finishMarking(AdaptInfo *adaptInfo);
/** \brief
* Marks one element.
*/
virtual void markElement(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if (adaptInfo->isRefinementAllowed(row == -1 ? 0 : row) && lError > markRLimit) {
setMark(el, adaptInfo->getRefineBisections(row == -1 ? 0 : row));
} else {
if (adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) && lError <= markCLimit) {
if (!el->getElementData()->getElementData(COARSENABLE) ||
(lError + el->getCoarseningEstimation(row)) <= markCLimit) {
setMark(el, -adaptInfo->getCoarseBisections(row == -1 ? 0 : row));
}
}
}
};
virtual void markElement(AdaptInfo *adaptInfo, ElInfo *elInfo);
/** \brief
* Marking of the mesh.
*/
virtual Flag markMesh(AdaptInfo *adaptInfo, Mesh *mesh) {
initMarking(adaptInfo, mesh);
if (!adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) &&
!adaptInfo->isRefinementAllowed(row == -1 ? 0 : row)) {
return 0;
}
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while (elInfo) {
markElement(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
finishMarking(adaptInfo);
Flag markFlag;
if (elMarkRefine) markFlag = 1;
if (elMarkCoarsen) markFlag |= 2;
return(markFlag);
};
virtual Flag markMesh(AdaptInfo *adaptInfo, Mesh *mesh);
/** \brief
* Sets \ref maximumMarking.
......@@ -180,13 +134,13 @@ namespace AMDiS {
/** \brief
* Creates a scalr marker depending on the strategy set in parameters.
*/
static Marker *createMarker(::std::string name, int row_);
static Marker *createMarker(std::string name, int row_);
protected:
/** \brief
* Name of the scalar marker.
*/
::std::string name;
std::string name;
/** \brief
* Equal to -1 for scalar problems. Component number if marker is
......@@ -262,7 +216,7 @@ namespace AMDiS {
/** \brief
* Constructor.
*/
GRMarker(::std::string name_, int row_)
GRMarker(std::string name_, int row_)
: Marker(name_, row_)
{};
......@@ -294,7 +248,7 @@ namespace AMDiS {
/** \brief
* Constructor.
*/
MSMarker(::std::string name_, int row_)
MSMarker(std::string name_, int row_)
: Marker(name_, row_),
MSGamma(0.5),
MSGammaC(0.1)
......@@ -346,7 +300,7 @@ namespace AMDiS {
/** \brief
* Constructor.
*/
ESMarker(::std::string name_, int row_)
ESMarker(std::string name_, int row_)
: Marker(name_, row_),
ESTheta(0.9),
ESThetaC(0.2)
......@@ -358,23 +312,7 @@ namespace AMDiS {
/** \brief
* Implementation of MarkScal::initMarking().
*/
virtual void initMarking(AdaptInfo *adaptInfo, Mesh *mesh) {
FUNCNAME("ESMarker::initMarking()");
Marker::initMarking(adaptInfo, mesh);
double ESThetaP = pow(ESTheta, p);
double ESThetaCP = pow(ESThetaC, p);
double epsP = pow(adaptInfo->getSpaceTolerance(row == -1 ? 0 : row), p);
markRLimit = ESThetaP * epsP / mesh->getNumberOfLeaves();
markCLimit = ESThetaCP * epsP / mesh->getNumberOfLeaves();
INFO(info, 2)
("start mark_limits: %.3le %.3le nt=%d\n",
markRLimit, markCLimit, mesh->getNumberOfLeaves());
};
virtual void initMarking(AdaptInfo *adaptInfo, Mesh *mesh);
protected:
/** \brief
......@@ -406,7 +344,7 @@ namespace AMDiS {
/** \brief
* Constructor.
*/
GERSMarker(::std::string name_, int row_)
GERSMarker(std::string name_, int row_)
: Marker(name_, row_),
oldErrSum(0.0),
GERSThetaStar(0.6),
......@@ -421,133 +359,18 @@ namespace AMDiS {
/** \brief
* Implementation of Marker::markMesh().
*/
virtual Flag markMesh(AdaptInfo *adaptInfo, Mesh *mesh) {
FUNCNAME("GERSMarker::markMesh()");
initMarking(adaptInfo, mesh);
if(!adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row) &&
!adaptInfo->isRefinementAllowed(row == -1 ? 0 : row))
{
return 0;
}
GERSSum = 0.0;
double LTheta = pow(1.0 - GERSThetaStar, p);
double improv, redfac, wanted, epsP, GERSGamma;
epsP = pow(adaptInfo->getSpaceTolerance(row == -1 ? 0 : row), p);
if(estSum < oldErrSum) {
improv = estSum / oldErrSum;
wanted = 0.8 * epsP / estSum;
redfac = ::std::min((1.0 - wanted) / (1.0 - improv), 1.0);
redfac = ::std::max(redfac, 0.0);
if(redfac < 1.0) {
LTheta *= redfac;
INFO(info, 1)
("GERS: use extrapolated theta_star = %lf\n",
pow(LTheta, 1.0 / p));
}
}
oldErrSum = estSum;
GERSGamma = 1.0;
if(adaptInfo->isRefinementAllowed(row == -1 ? 0 : row)) {
if(LTheta > 0) {
do {
GERSSum = 0.0;
GERSGamma -= GERSNu;
markRLimit = GERSGamma * estMax;
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while(elInfo) {
markElementForRefinement(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
} while((GERSGamma > 0) && (GERSSum < LTheta * estSum));
}
INFO(info, 2)
("GERS refinement with gamma = %.3lf\n", GERSGamma);
}
if(adaptInfo->isCoarseningAllowed(row == -1 ? 0 : row)) {
GERSGamma = 0.3;
LTheta = GERSThetaC * epsP;
do {
GERSSum = 0.0;
GERSGamma -= GERSNu;
markCLimit = GERSGamma * estMax;
TraverseStack stack;
ElInfo *elInfo = NULL;
elInfo = stack.traverseFirst(mesh, -1, Mesh::CALL_LEAF_EL);
while(elInfo) {
markElementForCoarsening(adaptInfo, elInfo);
elInfo = stack.traverseNext(elInfo);
}
INFO(info, 6)
("coarse loop: gamma=%.3e, sum=%.3e, limit=%.3e\n",
GERSGamma, GERSSum, LTheta);
} while(GERSSum > LTheta);
INFO(info, 2)
("GERS coarsening with gamma = %.3lf\n", GERSGamma);
}
finishMarking(adaptInfo);
Flag markFlag;
if(elMarkRefine) markFlag = 1;
if(elMarkCoarsen) markFlag |= 2;
return(markFlag);
};
virtual Flag markMesh(AdaptInfo *adaptInfo, Mesh *mesh);
protected:
/** \brief
* Refinement marking function.
*/
void markElementForRefinement(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if (lError > markRLimit) {
GERSSum += lError;
setMark(el, adaptInfo->getRefineBisections(row == -1 ? 0 : row));
}
};
void markElementForRefinement(AdaptInfo *adaptInfo, ElInfo *elInfo);
/** \brief
* Coarsening marking function.
*/
void markElementForCoarsening(AdaptInfo *adaptInfo, ElInfo *elInfo) {
Element *el = elInfo->getElement();
double lError = el->getEstimation(row);
if(el->getMark() <= 0) {
if(el->getElementData()->getElementData(COARSENABLE)) {
lError += el->getCoarseningEstimation(row);
}
if(lError <= markCLimit) {
GERSSum += lError;
setMark(el, -adaptInfo->getCoarseBisections(row == -1 ? 0 : row));
} else {
setMark(el, 0);
}
}
};
void markElementForCoarsening(AdaptInfo *adaptInfo, ElInfo *elInfo);
protected:
/** \brief
......
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