{
}
-SATuner::~SATuner(){
+SATuner::~SATuner() {
}
-void SATuner::rankTunerForProblem(Vector<TunerRecord *> *places, TunerRecord *tuner, Problem *problem, long long metric){
+void SATuner::rankTunerForProblem(Vector<TunerRecord *> *places, TunerRecord *tuner, Problem *problem, long long metric) {
uint k = 0;
for (; k < places->getSize(); k++) {
if (metric < places->get(k)->getTime(problem))
break;
}
model_print("Problem<%s>:place[%u]=Tuner<%p,%d>\n", problem->getProblem(), k, tuner, tuner->getTunerNumber());
- places->insertAt(k, tuner);
+ places->insertAt(k, tuner);
}
-void SATuner::removeTunerIndex(Vector<TunerRecord *> *tunerV, int index, Vector<Vector<TunerRecord *> *> &allplaces){
+void SATuner::removeTunerIndex(Vector<TunerRecord *> *tunerV, int index, Vector<Vector<TunerRecord *> *> &allplaces) {
TunerRecord *tuner = tunerV->get(index);
model_print("Removing Tuner %d\n", tuner->getTunerNumber());
tunerV->set(index, NULL);
- for(uint i=0; i < allplaces.getSize(); i++){
+ for (uint i = 0; i < allplaces.getSize(); i++) {
Vector<TunerRecord *> *places = allplaces.get(i);
- for(uint j=0; j < places->getSize(); j++){
- if(tuner == places->get(j)){
+ for (uint j = 0; j < places->getSize(); j++) {
+ if (tuner == places->get(j)) {
places->removeAt(j);
break;
}
}
-void SATuner::removeNullsFromTunerVector( Vector<TunerRecord *> *tunerV){
- for (int i= tunerV->getSize() -1; i >= 0; i--){
- if(tunerV->get(i) == NULL){
+void SATuner::removeNullsFromTunerVector( Vector<TunerRecord *> *tunerV) {
+ for (int i = tunerV->getSize() - 1; i >= 0; i--) {
+ if (tunerV->get(i) == NULL) {
tunerV->removeAt(i);
}
}
model_print("TunerV size after removing nulls = %u\n", tunerV->getSize());
}
-void SATuner::initialize(Vector<TunerRecord *> *tunerV, Vector<Vector<TunerRecord *> *> &allplaces){
- for(uint ii=0; ii< problems.getSize(); ii++){
+void SATuner::initialize(Vector<TunerRecord *> *tunerV, Vector<Vector<TunerRecord *> *> &allplaces) {
+ for (uint ii = 0; ii < problems.getSize(); ii++) {
allplaces.push(new Vector<TunerRecord *>());
}
- for (uint j = 0; j< tunerV->getSize(); j++){
+ for (uint j = 0; j < tunerV->getSize(); j++) {
TunerRecord *tuner = tunerV->get(j);
- for (uint i=0; i < problems.getSize(); i++){
+ for (uint i = 0; i < problems.getSize(); i++) {
Problem *problem = problems.get(i);
long long metric = evaluate(problem, tuner);
ASSERT(tuner->getTime(problem) == -1);
tuner->addProblem(problem);
- if(metric != -1){
- tuner->setTime(problem , metric);
- }else{
- tuner->setTime(problem , -2);
+ if (metric != -1) {
+ tuner->setTime(problem, metric);
+ } else {
+ tuner->setTime(problem, -2);
}
- if(metric >=0){
+ if (metric >= 0) {
Vector<TunerRecord *> *places = allplaces.get(i);
rankTunerForProblem(places, tuner, problem, metric);
}
}
void SATuner::tune() {
- Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
+ Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
Vector<Vector<TunerRecord *> *> allplaces;
uint tunerNumber = tuners.getSize();
//Initialization
initialize(tunerV, allplaces);
//Starting the body of algorithm
- for (uint t = budget; t >0; t--) {
+ for (uint t = budget; t > 0; t--) {
model_print("Current Temperature = %u\n", t);
Hashtable<TunerRecord *, int, uint64_t> scores;
for (uint i = 0; i < tunerNumber; i++) {
- SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), budget-t);
+ SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), budget - t);
int tunerIndex = subTunerIndex(tmpTuner);
TunerRecord *tmp = NULL;
- if(tunerIndex == -1){
+ if (tunerIndex == -1) {
tmp = new TunerRecord(tmpTuner);
tmp->setTunerNumber(allTuners.getSize());
model_print("Mutated tuner %u to generate tuner %u\n", tunerV->get(i)->getTunerNumber(), tmp->getTunerNumber());
- allTuners.push(tmp);
- }else{
+ allTuners.push(tmp);
+ } else {
//Previous tuners might get explored with new combination of tuners.
- tmp = explored.get(tunerIndex);
+ tmp = explored.get(tunerIndex);
model_print("Using exploread tuner <%u>\n", tmp->getTunerNumber());
}
tunerV->push(tmp);
}
}
}
- for(uint ii=0; ii < problems.getSize(); ii++){
+ for (uint ii = 0; ii < problems.getSize(); ii++) {
Problem *problem = problems.get(ii);
ASSERT(ii < allplaces.getSize());
Vector<TunerRecord *> *places = allplaces.get(ii);
- int points = pow(tunerNumber*1.0, 2*tunerNumber - 1);
+ int points = pow(tunerNumber * 1.0, 2 * tunerNumber - 1);
for (uint k = 0; k < places->getSize() && points; k++) {
TunerRecord *tuner = places->get(k);
int currScore = 0;
}
}
- for(uint i= 0; i < tunerNumber; i++){
+ for (uint i = 0; i < tunerNumber; i++) {
ASSERT(i < tunerV->getSize());
TunerRecord *tuner1 = tunerV->get(i);
TunerRecord *tuner2 = tunerV->get(tunerNumber + i);
ASSERT(scores.contains(tuner2));
int score1 = scores.get(tuner1);
int score2 = scores.get(tuner2);
- if( score2 > score1 ){
+ if ( score2 > score1 ) {
removeTunerIndex(tunerV, i, allplaces);
- } else if( score2 < score1){
- model_print("score1=%d\tscore2=%d\tt=%u\texp=%f\n", score1, score2, t, exp((score1-score2)*1.0/t));
- double prob = 1/(exp((score1-score2)*1.0/t) );
+ } else if ( score2 < score1) {
+ model_print("score1=%d\tscore2=%d\tt=%u\texp=%f\n", score1, score2, t, exp((score1 - score2) * 1.0 / t));
+ double prob = 1 / (exp((score1 - score2) * 1.0 / t) );
double random = ((double) rand() / (RAND_MAX));
model_print("prob=%f\trandom=%f\n", prob, random);
- if(prob > random){
+ if (prob > random) {
removeTunerIndex(tunerV, i, allplaces);
- }else{
+ } else {
removeTunerIndex(tunerV, tunerNumber + i, allplaces);
}
- } else{
+ } else {
double random = ((double) rand() / (RAND_MAX));
- int index = random > 0.5? i : tunerNumber + i;
+ int index = random > 0.5 ? i : tunerNumber + i;
removeTunerIndex(tunerV, index, allplaces);
}
}
removeNullsFromTunerVector(tunerV);
-
+
}
- for(uint ii=0; ii< allplaces.getSize(); ii++){
+ for (uint ii = 0; ii < allplaces.getSize(); ii++) {
delete allplaces.get(ii);
}
printData();