sp
/
tempest
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

creating solver only once

tempestpy_adaptions
Timo Philipp Gros 7 years ago
parent
b90e88c365
commit
dd8ada13cd
2 changed files with 31 additions and 45 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 68
      src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.cpp
  2. 6
      src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.h

68
src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.cpp
View File

@ -213,7 +213,7 @@ namespace storm {
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
void SparseMarkovAutomatonCslHelper::calculateVu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vu, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory){
void SparseMarkovAutomatonCslHelper::calculateVu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vu, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver){
if (vu[k][node]!=-1){return;} //dynamic programming. avoiding multiple calculation.
uint64_t N = vu.size()-1;
auto rowGroupIndices = fullTransitionMatrix.getRowGroupIndices();
@ -221,7 +221,7 @@ namespace storm {
ValueType res =0;
for (uint64_t i = k ; i < N ; i++ ){
if (wu[N-1-(i-k)][node]==-1){
calculateWu(relativeReachability, dir, (N-1-(i-k)),node,lambda,wu,fullTransitionMatrix,markovianStates,psiStates, minMaxLinearEquationSolverFactory);
calculateWu(relativeReachability, dir, (N-1-(i-k)),node,lambda,wu,fullTransitionMatrix,markovianStates,psiStates, solver);
}
res+=poisson(lambda, i)*wu[N-1-(i-k)][node];
}
@ -229,7 +229,7 @@ namespace storm {
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
void SparseMarkovAutomatonCslHelper::calculateWu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory){
void SparseMarkovAutomatonCslHelper::calculateWu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver){
if (wu[k][node]!=-1){return;} //dynamic programming. avoiding multiple calculation.
std::ofstream logfile("U+logfile.txt", std::ios::app);
@ -256,7 +256,7 @@ namespace storm {
for (auto &element : line){
uint64_t to = element.getColumn();
if (wu[k+1][to]==-1){
calculateWu(relativeReachability, dir, k+1,to,lambda,wu,fullTransitionMatrix,markovianStates,psiStates, minMaxLinearEquationSolverFactory);
calculateWu(relativeReachability, dir, k+1,to,lambda,wu,fullTransitionMatrix,markovianStates,psiStates, solver);
}
res+=element.getValue()*wu[k+1][to];
}
@ -284,7 +284,7 @@ namespace storm {
continue;
}
if (wu[k][to]==-1){
calculateWu(relativeReachability, dir, k, to, lambda, wu, fullTransitionMatrix, markovianStates, psiStates, minMaxLinearEquationSolverFactory);
calculateWu(relativeReachability, dir, k, to, lambda, wu, fullTransitionMatrix, markovianStates, psiStates, solver);
}
res = res + relativeReachability[j][to]*wu[k][to];
}
@ -297,19 +297,6 @@ namespace storm {
logfile << b[i] << "\n";
}
storm::solver::MinMaxLinearEquationSolverRequirements requirements = minMaxLinearEquationSolverFactory.getRequirements(true, dir);
requirements.clearBounds();
STORM_LOG_THROW(requirements.empty(), storm::exceptions::UncheckedRequirementException, "Cannot establish requirements for solver.");
std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> solver = minMaxLinearEquationSolverFactory.create(probMatrix);
solver->setHasUniqueSolution();
solver->setBounds(storm::utility::zero<ValueType>(), storm::utility::one<ValueType>());
solver->setRequirementsChecked();
solver->setCachingEnabled(true);
solver->solveEquations(dir, x, b);
for (uint64_t i =0 ; i<probSize ; i++){
@ -348,7 +335,7 @@ namespace storm {
}
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type>
void SparseMarkovAutomatonCslHelper::calculateVd(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vd, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory){
void SparseMarkovAutomatonCslHelper::calculateVd(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vd, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver){
std::ofstream logfile("U+logfile.txt", std::ios::app);
@ -386,7 +373,7 @@ namespace storm {
for (auto &element : line){
uint64_t to = element.getColumn();
if (vd[k+1][to]==-1){
calculateVd(relativeReachability, dir,k+1,to,lambda,vd, fullTransitionMatrix, markovianStates,psiStates, minMaxLinearEquationSolverFactory);
calculateVd(relativeReachability, dir,k+1,to,lambda,vd, fullTransitionMatrix, markovianStates,psiStates, solver);
}
res+=element.getValue()*vd[k+1][to];
}
@ -417,7 +404,7 @@ namespace storm {
continue;
}
if (vd[k][to]==-1){
calculateVd(relativeReachability, dir, k, to, lambda, vd, fullTransitionMatrix, markovianStates, psiStates, minMaxLinearEquationSolverFactory);
calculateVd(relativeReachability, dir, k, to, lambda, vd, fullTransitionMatrix, markovianStates, psiStates, solver);
}
res = res + relativeReachability[j][to]*vd[k][to];
}
@ -431,20 +418,6 @@ namespace storm {
logfile << b[i] << "\n";
}
storm::solver::MinMaxLinearEquationSolverRequirements requirements = minMaxLinearEquationSolverFactory.getRequirements(true, dir);
requirements.clearBounds();
STORM_LOG_THROW(requirements.empty(), storm::exceptions::UncheckedRequirementException, "Cannot establish requirements for solver.");
std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> solver = minMaxLinearEquationSolverFactory.create(probMatrix);
solver->setHasUniqueSolution();
solver->setBounds(storm::utility::zero<ValueType>(), storm::utility::one<ValueType>());
solver->setRequirementsChecked();
solver->setCachingEnabled(true);
solver->solveEquations(dir, x, b);
logfile << "vd goal vector x is \n";
for (int i =0 ; i<probMatrix.getRowCount(); i++){
@ -617,6 +590,8 @@ namespace storm {
//bitvectors to identify different kind of states
storm::storage::BitVector allStates(markovianStates.size(), true);
auto probabilisticStates = ~markovianStates;
//vectors to save calculation
std::vector<std::vector<ValueType>> vd,vu,wu;
@ -625,10 +600,9 @@ namespace storm {
//transition matrix with diagonal entries. The values can be changed during uniformisation
std::vector<ValueType> exitRate{exitRateVector};
typename storm::storage::SparseMatrix<ValueType> fullTransitionMatrix = transitionMatrix.getSubmatrix(true, allStates , allStates , true);
auto rowGroupIndices = fullTransitionMatrix.getRowGroupIndices();
typename storm::storage::SparseMatrix<ValueType> probMatrix = fullTransitionMatrix.getSubmatrix(true, ~markovianStates , ~markovianStates, true);
auto rowGroupIndices = fullTransitionMatrix.getRowGroupIndices();
//(1) define horizon, epsilon, kappa , N, lambda,
@ -666,6 +640,17 @@ namespace storm {
}
}
//create equitation solver
storm::solver::MinMaxLinearEquationSolverRequirements requirements = minMaxLinearEquationSolverFactory.getRequirements(true, dir);
requirements.clearBounds();
STORM_LOG_THROW(requirements.empty(), storm::exceptions::UncheckedRequirementException, "Cannot establish requirements for solver.");
std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> solver = minMaxLinearEquationSolverFactory.create(probMatrix);
solver->setHasUniqueSolution();
solver->setBounds(storm::utility::zero<ValueType>(), storm::utility::one<ValueType>());
solver->setRequirementsChecked();
solver->setCachingEnabled(true);
printTransitions(relReachability, exitRateVector, fullTransitionMatrix, markovianStates, psiStates, psiStates, psiStates, vd,vu,wu); // TODO: delete when develepmont is finished
@ -709,12 +694,13 @@ namespace storm {
wu = std::vector<std::vector<ValueType>> (N + 1, init);
// (5) calculate vectors and maxNorm
for (uint64_t i = 0; i < numberOfStates; i++) {
for (uint64_t k = N; k <= N; k--) {
calculateVd(relReachability, dir, k, i, T*lambda, vd, fullTransitionMatrix, markovianStates, psiStates, minMaxLinearEquationSolverFactory);
calculateWu(relReachability, dir, k, i, T*lambda, wu, fullTransitionMatrix, markovianStates, psiStates, minMaxLinearEquationSolverFactory);
calculateVu(relReachability, dir, k, i, T*lambda, vu, wu, fullTransitionMatrix, markovianStates, psiStates, minMaxLinearEquationSolverFactory);
calculateVd(relReachability, dir, k, i, T*lambda, vd, fullTransitionMatrix, markovianStates, psiStates, solver);
calculateWu(relReachability, dir, k, i, T*lambda, wu, fullTransitionMatrix, markovianStates, psiStates, solver);
calculateVu(relReachability, dir, k, i, T*lambda, vu, wu, fullTransitionMatrix, markovianStates, psiStates, solver);
//also use iteration to keep maxNorm of vd and vu up to date, so the loop-condition is easy to prove
ValueType diff = std::abs(vd[k][i]-vu[k][i]);
maxNorm = std::max(maxNorm, diff);

6
src/storm/modelchecker/csl/helper/SparseMarkovAutomatonCslHelper.h
View File

@ -98,14 +98,14 @@ namespace storm {
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void calculateVd(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vd, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
static void calculateVd(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vd, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver);
/*!
* Computes vu vector according to UnifPlus
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void calculateVu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vu, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
static void calculateVu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& vu, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver);
/*!
@ -113,7 +113,7 @@ namespace storm {
*
*/
template <typename ValueType, typename std::enable_if<storm::NumberTraits<ValueType>::SupportsExponential, int>::type=0>
static void calculateWu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, storm::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
static void calculateWu(std::vector<std::vector<ValueType>> const& relativeReachability, OptimizationDirection dir, uint64_t k, uint64_t node, ValueType lambda, std::vector<std::vector<ValueType>>& wu, storm::storage::SparseMatrix<ValueType> const& fullTransitionMatrix, storm::storage::BitVector const& markovianStates, storm::storage::BitVector const& psiStates, std::unique_ptr<storm::solver::MinMaxLinearEquationSolver<ValueType>> const& solver);
/*!
* Prints the TransitionMatrix and the vectors vd, vu, wu to the logfile

Write Preview
Loading…
Cancel
Save