4 #include "searchtuner.h"
7 #include "solver_interface.h"
9 CompTuner::CompTuner(uint _budget, uint _timeout) :
10 BasicTuner(_budget, _timeout)
14 CompTuner::~CompTuner() {
18 void CompTuner::findBestTwoTuners() {
19 if (allTuners.getSize() < 2) {
23 TunerRecord *bestTuners[2];
24 double score = DBL_MAX;
25 for (uint j = 0; j < allTuners.getSize() - 1; j++) {
26 for (uint k = j + 1; k < allTuners.getSize(); k++) {
27 TunerRecord *tuner1 = allTuners.get(j);
28 TunerRecord *tuner2 = allTuners.get(k);
29 double mintimes[problems.getSize()];
30 for (uint l = 0; l < problems.getSize(); l++) {
31 Problem *problem = problems.get(l);
32 long long time1 = tuner1->getTime(problem);
33 long long time2 = tuner2->getTime(problem);
34 long long minTime =DBL_MAX;
35 if(time1 != -1 || time2 != -1){
36 minTime = min(time1,time2);
38 mintimes[l] = pow(minTime, (double)1 / problems.getSize());
41 for (uint l = 0; l < problems.getSize(); l++) {
42 result *= mintimes[l];
46 bestTuners[0] = tuner1;
47 bestTuners[1] = tuner2;
51 model_print("Best 2 tuners:\n");
52 for (uint i = 0; i < 2; i++) {
53 TunerRecord *tuner = bestTuners[i];
54 SearchTuner *stun = tuner->getTuner();
56 snprintf(buffer, sizeof(buffer), "best%u.tuner", i);
57 stun->serialize(buffer);
58 model_print("Tuner %u\n", tuner->getTunerNumber());
60 tuner->printProblemsInfo();
61 model_print("----------------------------------\n\n\n");
66 void CompTuner::readData(uint numRuns) {
67 for (uint i = 0; i < numRuns; i++) {
71 snprintf(buffer, sizeof(buffer), "tunernum%u", i);
72 myfile.open (buffer, ios::in);
73 myfile >> tunernumber;
75 if (allTuners.getSize() <= tunernumber)
76 allTuners.setSize(tunernumber + 1);
77 if (allTuners.get(tunernumber) == NULL) {
78 snprintf(buffer, sizeof(buffer), "tuner%u", i);
79 allTuners.set(tunernumber, new TunerRecord(new SearchTuner(buffer), tunernumber));
81 //Add any new used records
82 snprintf(buffer, sizeof(buffer), "tuner%uused", i);
83 TunerRecord *tuner = allTuners.get(tunernumber);
84 tuner->getTuner()->addUsed(buffer);
86 char problemname[512];
88 snprintf(buffer, sizeof(buffer), "problem%u", i);
89 myfile.open(buffer, ios::in);
90 myfile.getline(problemname, sizeof(problemname));
91 myfile >> problemnumber;
93 if (problems.getSize() <= problemnumber)
94 problems.setSize(problemnumber + 1);
95 if (problems.get(problemnumber) == NULL)
96 problems.set(problemnumber, new Problem(problemname));
97 Problem *problem = problems.get(problemnumber);
98 long long metric = -1;
100 //Read data in from results file
101 snprintf(buffer, sizeof(buffer), "result%u", i);
103 myfile.open (buffer, ios::in);
106 if (myfile.is_open()) {
111 if (problem->getResult() == TUNERUNSETVALUE && sat != IS_INDETER) {
112 problem->setResult(sat);
113 } else if (problem->getResult() != sat && sat != IS_INDETER) {
114 model_print("******** Result has changed ********\n");
118 if (tuner->getTime(problem) == -1)
119 tuner->addProblem(problem);
120 tuner->setTime(problem, metric);
127 void CompTuner::tune() {
128 Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
129 for (uint b = 0; b < budget; b++) {
130 model_print("Round %u of %u\n", b, budget);
131 Hashtable<TunerRecord *, int, uint64_t> scores;
132 Vector<Vector<TunerRecord *> *> allplaces;
133 for (uint ii = 0; ii < problems.getSize(); ii++) {
134 allplaces.push(new Vector<TunerRecord *>());
136 for (uint j = 0; j < tunerV->getSize(); j++) {
137 TunerRecord *tuner = tunerV->get(j);
139 for (uint i = 0; i < problems.getSize(); i++) {
140 Vector<TunerRecord *> *places = allplaces.get(i);
141 Problem *problem = problems.get(i);
142 long long metric = tuner->getTime(problem);
144 metric = evaluate(problem, tuner);
145 if (tuner->getTime(problem) == -1) {
146 tuner->addProblem(problem);
148 model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->getProblem(),tuner, tuner->getTunerNumber(), metric);
149 model_print("*****************************\n");
151 tuner->setTime(problem, metric);
153 tuner->setTime(problem, -2);
155 if (tunerExists(tuner)) {
156 //Solving the problem and noticing the tuner
158 tuner->setDuplicate(true);
164 for (; k < places->getSize(); k++) {
165 if (metric < places->get(k)->getTime(problem))
168 model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->getTunerNumber());
169 places->insertAt(k, tuner);
173 for (uint ii = 0; ii < problems.getSize(); ii++) {
174 Problem *problem = problems.get(ii);
175 Vector<TunerRecord *> *places = allplaces.get(ii);
177 for (uint k = 0; k < places->getSize() && points; k++) {
178 TunerRecord *tuner = places->get(k);
179 if (tuner->isDuplicate()) {
183 if (scores.contains(tuner))
184 currScore = scores.get(tuner);
186 model_print("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->getProblem(), tuner, tuner->getTunerNumber(), currScore);
187 model_print("**************************\n");
188 scores.put(tuner, currScore);
192 for (uint ii = 0; ii < problems.getSize(); ii++) {
193 delete allplaces.get(ii);
195 Vector<TunerRecord *> ranking;
196 for (uint i = 0; i < tunerV->getSize(); i++) {
197 TunerRecord *tuner = tunerV->get(i);
199 if (scores.contains(tuner))
200 score = scores.get(tuner);
202 for (; j < ranking.getSize(); j++) {
203 TunerRecord *t = ranking.get(j);
205 if (scores.contains(t))
206 tscore = scores.get(t);
210 model_print("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->getTunerNumber(), score);
211 model_print("************************\n");
212 ranking.insertAt(j, tuner);
214 model_print("tunerSize=%u\trankingSize=%u\ttunerVSize=%u\n", tuners.getSize(), ranking.getSize(), tunerV->getSize());
215 for (uint i = tuners.getSize(); i < ranking.getSize(); i++) {
216 TunerRecord *tuner = ranking.get(i);
217 model_print("Removing tuner %u\n", tuner->getTunerNumber());
218 for (uint j = 0; j < tunerV->getSize(); j++) {
219 if (tunerV->get(j) == tuner)
223 uint tSize = tunerV->getSize();
224 for (uint i = 0; i < tSize; i++) {
225 SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
226 while (subTunerIndex(tmpTuner) != -1) {
227 model_print("******** New Tuner already explored...\n");
229 tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
231 TunerRecord *tmp = new TunerRecord(tmpTuner);
232 tmp->setTunerNumber(allTuners.getSize());
233 model_print("Mutated tuner %u to generate tuner %u\n", tunerV->get(i)->getTunerNumber(), tmp->getTunerNumber());