4 #include "searchtuner.h"
8 #include "solver_interface.h"
10 CompTuner::CompTuner(uint _budget, uint _timeout) :
11 BasicTuner(_budget, _timeout)
15 CompTuner::~CompTuner() {
19 void CompTuner::findBestTwoTuners() {
20 if (allTuners.getSize() < 2) {
24 TunerRecord *bestTuners[2];
25 double score = DBL_MAX;
26 for (uint j = 0; j < allTuners.getSize() - 1; j++) {
27 for (uint k = j + 1; k < allTuners.getSize(); k++) {
28 TunerRecord *tuner1 = allTuners.get(j);
29 TunerRecord *tuner2 = allTuners.get(k);
30 double mintimes[problems.getSize()];
31 for (uint l = 0; l < problems.getSize(); l++) {
32 Problem *problem = problems.get(l);
33 long long time1 = tuner1->getTime(problem);
34 if(time1 == -1 || time2 == -2){
37 long long time2 = tuner2->getTime(problem);
38 if(time2 == -1 || time2 == -2){
41 mintimes[l] = pow(min(time1,time2), (double)1 / problems.getSize());
44 for (uint l = 0; l < problems.getSize(); l++) {
45 result *= mintimes[l];
49 bestTuners[0] = tuner1;
50 bestTuners[1] = tuner2;
54 model_print("Best 2 tuners:\n");
55 for (uint i = 0; i < 2; i++) {
56 TunerRecord *tuner = bestTuners[i];
57 SearchTuner *stun = tuner->getTuner();
59 snprintf(buffer, sizeof(buffer), "best%u.tuner", i);
60 stun->serialize(buffer);
61 model_print("Tuner %u\n", tuner->getTunerNumber());
63 tuner->printProblemsInfo();
64 model_print("----------------------------------\n\n\n");
69 void CompTuner::readData(uint numRuns) {
70 for (uint i = 0; i < numRuns; i++) {
74 snprintf(buffer, sizeof(buffer), "tunernum%u", i);
75 myfile.open (buffer, ios::in);
76 myfile >> tunernumber;
78 if (allTuners.getSize() <= tunernumber)
79 allTuners.setSize(tunernumber + 1);
80 if (allTuners.get(tunernumber) == NULL) {
81 snprintf(buffer, sizeof(buffer), "tuner%u", i);
82 allTuners.set(tunernumber, new TunerRecord(new SearchTuner(buffer), tunernumber));
84 //Add any new used records
85 snprintf(buffer, sizeof(buffer), "tuner%uused", i);
86 TunerRecord *tuner = allTuners.get(tunernumber);
87 tuner->getTuner()->addUsed(buffer);
89 char problemname[512];
91 snprintf(buffer, sizeof(buffer), "problem%u", i);
92 myfile.open(buffer, ios::in);
93 myfile.getline(problemname, sizeof(problemname));
94 myfile >> problemnumber;
96 if (problems.getSize() <= problemnumber)
97 problems.setSize(problemnumber + 1);
98 if (problems.get(problemnumber) == NULL)
99 problems.set(problemnumber, new Problem(problemname));
100 Problem *problem = problems.get(problemnumber);
101 long long metric = -1;
102 int sat = IS_INDETER;
103 //Read data in from results file
104 snprintf(buffer, sizeof(buffer), "result%u", i);
106 myfile.open (buffer, ios::in);
109 if (myfile.is_open()) {
114 if (problem->getResult() == TUNERUNSETVALUE && sat != IS_INDETER) {
115 problem->setResult(sat);
116 } else if (problem->getResult() != sat && sat != IS_INDETER) {
117 model_print("******** Result has changed ********\n");
121 if (tuner->getTime(problem) == -1)
122 tuner->addProblem(problem);
123 tuner->setTime(problem, metric);
130 void CompTuner::tune() {
131 Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
132 for (uint b = 0; b < budget; b++) {
133 model_print("Round %u of %u\n", b, budget);
134 Hashtable<TunerRecord *, int, uint64_t> scores;
135 Vector<Vector<TunerRecord *> *> allplaces;
136 for (uint ii = 0; ii < problems.getSize(); ii++) {
137 allplaces.push(new Vector<TunerRecord *>());
139 for (uint j = 0; j < tunerV->getSize(); j++) {
140 TunerRecord *tuner = tunerV->get(j);
142 for (uint i = 0; i < problems.getSize(); i++) {
143 Vector<TunerRecord *> *places = allplaces.get(i);
144 Problem *problem = problems.get(i);
145 long long metric = tuner->getTime(problem);
147 metric = evaluate(problem, tuner);
148 if (tuner->getTime(problem) == -1) {
149 tuner->addProblem(problem);
151 model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->getProblem(),tuner, tuner->getTunerNumber(), metric);
152 model_print("*****************************\n");
154 tuner->setTime(problem, metric);
156 tuner->setTime(problem, -2);
158 if (tunerExists(tuner)) {
159 //Solving the problem and noticing the tuner
161 tuner->setDuplicate(true);
167 for (; k < places->getSize(); k++) {
168 if (metric < places->get(k)->getTime(problem))
171 model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->getTunerNumber());
172 places->insertAt(k, tuner);
176 for (uint ii = 0; ii < problems.getSize(); ii++) {
177 Problem *problem = problems.get(ii);
178 Vector<TunerRecord *> *places = allplaces.get(ii);
180 for (uint k = 0; k < places->getSize() && points; k++) {
181 TunerRecord *tuner = places->get(k);
182 if (tuner->isDuplicate()) {
186 if (scores.contains(tuner))
187 currScore = scores.get(tuner);
189 model_print("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->getProblem(), tuner, tuner->getTunerNumber(), currScore);
190 model_print("**************************\n");
191 scores.put(tuner, currScore);
195 for (uint ii = 0; ii < problems.getSize(); ii++) {
196 delete allplaces.get(ii);
198 Vector<TunerRecord *> ranking;
199 for (uint i = 0; i < tunerV->getSize(); i++) {
200 TunerRecord *tuner = tunerV->get(i);
202 if (scores.contains(tuner))
203 score = scores.get(tuner);
205 for (; j < ranking.getSize(); j++) {
206 TunerRecord *t = ranking.get(j);
208 if (scores.contains(t))
209 tscore = scores.get(t);
213 model_print("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->getTunerNumber(), score);
214 model_print("************************\n");
215 ranking.insertAt(j, tuner);
217 model_print("tunerSize=%u\trankingSize=%u\ttunerVSize=%u\n", tuners.getSize(), ranking.getSize(), tunerV->getSize());
218 for (uint i = tuners.getSize(); i < ranking.getSize(); i++) {
219 TunerRecord *tuner = ranking.get(i);
220 model_print("Removing tuner %u\n", tuner->getTunerNumber());
221 for (uint j = 0; j < tunerV->getSize(); j++) {
222 if (tunerV->get(j) == tuner)
226 uint tSize = tunerV->getSize();
227 for (uint i = 0; i < tSize; i++) {
228 SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
229 while (subTunerIndex(tmpTuner) != -1) {
230 model_print("******** New Tuner already explored...\n");
232 tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
234 TunerRecord *tmp = new TunerRecord(tmpTuner);
235 tmp->setTunerNumber(allTuners.getSize());
236 model_print("Mutated tuner %u to generate tuner %u\n", tunerV->get(i)->getTunerNumber(), tmp->getTunerNumber());