#include "csolver.h"
-#include "multituner.h"
+#include "comptuner.h"
#include "searchtuner.h"
int main(int argc, char **argv) {
uint numruns;
sscanf(argv[1], "%u", &numruns);
- MultiTuner *multituner = new MultiTuner(0, 0, 0);
+ CompTuner *multituner = new CompTuner(0, 0);
multituner->readData(numruns);
multituner->findBestThreeTuners();
delete multituner;
#include "csolver.h"
-#include "multituner.h"
+#include "comptuner.h"
#include "searchtuner.h"
int main(int argc, char **argv) {
#include "csolver.h"
-#include "multituner.h"
+#include "comptuner.h"
#include "searchtuner.h"
int main(int argc, char **argv) {
sscanf(argv[2], "%u", &rounds);
sscanf(argv[3], "%u", &timeout);
- MultiTuner *multituner = new MultiTuner(budget, rounds, timeout);
+ CompTuner *multituner = new CompTuner(budget, timeout);
bool tunerfiles = false;
for (int i = 4; i < argc; i++) {
if (!tunerfiles) {
#include "csolver.h"
-#include "multituner.h"
#include "searchtuner.h"
+#include "kmeanstuner.h"
int main(int argc, char **argv) {
if (argc < 7) {
sscanf(argv[2], "%u", &rounds);
sscanf(argv[3], "%u", &timeout);
- MultiTuner *multituner = new MultiTuner(budget, rounds, timeout);
+ KMeansTuner *multituner = new KMeansTuner(budget, rounds, timeout);
bool tunerfiles = false;
for (int i = 4; i < argc; i++) {
if (!tunerfiles) {
exit(-1);
}
- multituner->tuneK();
+ multituner->tune();
delete multituner;
return 0;
}
--- /dev/null
+#include "comptuner.h"
+#include <float.h>
+#include <math.h>
+#include "searchtuner.h"
+#include <iostream>
+#include <fstream>
+#include "solver_interface.h"
+
+CompTuner::CompTuner(uint _budget, uint _timeout) :
+ BasicTuner(_budget, _timeout)
+{
+}
+
+CompTuner::~CompTuner(){
+
+}
+
+void CompTuner::findBestThreeTuners() {
+ if (allTuners.getSize() < 3) {
+ printData();
+ return;
+ }
+ TunerRecord *bestTuners[3];
+ double score = DBL_MAX;
+ for (uint i = 0; i < allTuners.getSize() - 2; i++) {
+ for (uint j = i + 1; j < allTuners.getSize() - 1; j++) {
+ for (uint k = j + 1; k < allTuners.getSize(); k++) {
+ TunerRecord *tuner1 = allTuners.get(i);
+ TunerRecord *tuner2 = allTuners.get(j);
+ TunerRecord *tuner3 = allTuners.get(k);
+ double mintimes[problems.getSize()];
+ for (uint l = 0; l < problems.getSize(); l++) {
+ Problem *problem = problems.get(l);
+ mintimes[l] = pow(min(tuner1->getTime(problem), tuner2->getTime(problem), tuner3->getTime(problem)), (double)1 / problems.getSize());
+ }
+ double result = 1;
+ for (uint l = 0; l < problems.getSize(); l++) {
+ result *= mintimes[l];
+ }
+ if (result < score) {
+ score = result;
+ bestTuners[0] = tuner1;
+ bestTuners[1] = tuner2;
+ bestTuners[2] = tuner3;
+ }
+ }
+ }
+ }
+ model_print("Best 3 tuners:\n");
+ for (uint i = 0; i < 3; i++) {
+ TunerRecord *tuner = bestTuners[i];
+ SearchTuner *stun = tuner->getTuner();
+ char buffer[512];
+ snprintf(buffer, sizeof(buffer), "best%u.tuner", i);
+ stun->serialize(buffer);
+ model_print("Tuner %u\n", tuner->getTunerNumber());
+ stun->print();
+ tuner->printProblemsInfo();
+ model_print("----------------------------------\n\n\n");
+ }
+}
+
+void CompTuner::readData(uint numRuns) {
+ for (uint i = 0; i < numRuns; i++) {
+ ifstream myfile;
+ char buffer[512];
+ uint tunernumber;
+ snprintf(buffer, sizeof(buffer), "tunernum%u", i);
+ myfile.open (buffer, ios::in);
+ myfile >> tunernumber;
+ myfile.close();
+ if (allTuners.getSize() <= tunernumber)
+ allTuners.setSize(tunernumber + 1);
+ if (allTuners.get(tunernumber) == NULL) {
+ snprintf(buffer, sizeof(buffer), "tuner%u", i);
+ allTuners.set(tunernumber, new TunerRecord(new SearchTuner(buffer), tunernumber));
+ }
+ //Add any new used records
+ snprintf(buffer, sizeof(buffer), "tuner%uused", i);
+ TunerRecord *tuner = allTuners.get(tunernumber);
+ tuner->getTuner()->addUsed(buffer);
+
+ char problemname[512];
+ uint problemnumber;
+ snprintf(buffer, sizeof(buffer), "problem%u", i);
+ myfile.open(buffer, ios::in);
+ myfile.getline(problemname, sizeof(problemname));
+ myfile >> problemnumber;
+ myfile.close();
+ if (problems.getSize() <= problemnumber)
+ problems.setSize(problemnumber + 1);
+ if (problems.get(problemnumber) == NULL)
+ problems.set(problemnumber, new Problem(problemname));
+ Problem *problem = problems.get(problemnumber);
+ long long metric = -1;
+ int sat = IS_INDETER;
+ //Read data in from results file
+ snprintf(buffer, sizeof(buffer), "result%u", i);
+
+ myfile.open (buffer, ios::in);
+
+
+ if (myfile.is_open()) {
+ myfile >> metric;
+ myfile >> sat;
+ myfile.close();
+ }
+ if (problem->getResult() == TUNERUNSETVALUE && sat != IS_INDETER) {
+ problem->setResult(sat);
+ } else if (problem->getResult() != sat && sat != IS_INDETER) {
+ model_print("******** Result has changed ********\n");
+ }
+
+ if (metric != -1) {
+ if (tuner->getTime(problem) == -1)
+ tuner->addProblem(problem);
+ tuner->setTime(problem, metric);
+ }
+
+ }
+
+}
+
+void CompTuner::tune() {
+ Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
+ for (uint b = 0; b < budget; b++) {
+ model_print("Round %u of %u\n", b, budget);
+ uint tSize = tunerV->getSize();
+ for (uint i = 0; i < tSize; i++) {
+ SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
+ TunerRecord *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);
+ tunerV->push(tmp);
+ }
+
+ Hashtable<TunerRecord *, int, uint64_t> scores;
+ for (uint i = 0; i < problems.getSize(); i++) {
+ Problem *problem = problems.get(i);
+ Vector<TunerRecord *> places;
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ TunerRecord *tuner = tunerV->get(j);
+ long long metric = tuner->getTime(problem);
+ if (metric == -1) {
+ metric = evaluate(problem, tuner);
+ if (tuner->getTime(problem) == -1) {
+ tuner->addProblem(problem);
+ }
+ model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->getProblem(),tuner, tuner->getTunerNumber(), metric);
+ model_print("*****************************\n");
+ if (metric != -1)
+ tuner->setTime(problem, metric);
+ else
+ tuner->setTime(problem, -2);
+ }
+ if (metric >= 0) {
+ uint k = 0;
+ for (; k < places.getSize(); k++) {
+ if (metric < places.get(k)->getTime(problem))
+ break;
+ }
+ model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->getTunerNumber());
+ places.insertAt(k, tuner);
+ }
+ }
+ int points = 9;
+ for (uint k = 0; k < places.getSize() && points; k++) {
+ TunerRecord *tuner = places.get(k);
+ int currScore = 0;
+ if (scores.contains(tuner))
+ currScore = scores.get(tuner);
+ currScore += points;
+ model_print("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->getProblem(), tuner, tuner->getTunerNumber(), currScore);
+ model_print("**************************\n");
+ scores.put(tuner, currScore);
+ points = points / 3;
+ }
+ }
+ Vector<TunerRecord *> ranking;
+ for (uint i = 0; i < tunerV->getSize(); i++) {
+ TunerRecord *tuner = tunerV->get(i);
+ int score = 0;
+ if (scores.contains(tuner))
+ score = scores.get(tuner);
+ uint j = 0;
+ for (; j < ranking.getSize(); j++) {
+ TunerRecord *t = ranking.get(j);
+ int tscore = 0;
+ if (scores.contains(t))
+ tscore = scores.get(t);
+ if (score > tscore)
+ break;
+ }
+ model_print("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->getTunerNumber(), score);
+ model_print("************************\n");
+ ranking.insertAt(j, tuner);
+ }
+ model_print("tunerSize=%u\trankingSize=%u\ttunerVSize=%u\n", tuners.getSize(), ranking.getSize(), tunerV->getSize());
+ for (uint i = tuners.getSize(); i < ranking.getSize(); i++) {
+ TunerRecord *tuner = ranking.get(i);
+ model_print("Removing tuner %u\n", tuner->getTunerNumber());
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ if (tunerV->get(j) == tuner)
+ tunerV->removeAt(j);
+ }
+ }
+ }
+ printData();
+}
--- /dev/null
+#ifndef COMPTUNER_H
+#define COMPTUNER_H
+#include "classlist.h"
+#include "structs.h"
+#include "basictuner.h"
+
+
+class CompTuner : public BasicTuner {
+public:
+ CompTuner(uint budget, uint timeout);
+ virtual ~CompTuner();
+ void readData(uint numRuns);
+ void tune();
+ void findBestThreeTuners();
+protected:
+
+};
+
+inline long long min(long long num1, long long num2, long long num3) {
+ return num1 < num2 && num1 < num3 ? num1 :
+ num2 < num3 ? num2 : num3;
+}
+
+#endif
--- /dev/null
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/*
+ * File: kmeanstuner.cc
+ * Author: hamed
+ *
+ * Created on December 19, 2018, 4:16 PM
+ */
+
+#include "kmeanstuner.h"
+#include "float.h"
+#include "searchtuner.h"
+#include "math.h"
+
+KMeansTuner::KMeansTuner(uint budget, uint _rounds, uint timeout) :
+ BasicTuner(budget, timeout),
+ rounds(_rounds) {
+}
+
+KMeansTuner::~KMeansTuner() {
+}
+
+void clearVector(Vector<TunerRecord *> *tunerV) {
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ TunerRecord *tuner = tunerV->get(j);
+ tuner->problems.clear();
+ }
+}
+
+void KMeansTuner::tune() {
+ Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
+ for (uint i = 0; i < rounds; i++) {
+ clearVector(tunerV);
+ mapProblemsToTuners(tunerV);
+ improveTuners(tunerV);
+ }
+ model_print("Best tuners\n");
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ TunerRecord *tuner = tunerV->get(j);
+ char buffer[256];
+ sprintf(buffer, "tuner%u.conf", j);
+ tuner->getTuner()->serialize(buffer);
+ tuner->getTuner()->print();
+ }
+ delete tunerV;
+}
+
+void KMeansTuner::improveTuners(Vector<TunerRecord *> *tunerV) {
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ TunerRecord *tuner = tunerV->get(j);
+ TunerRecord *newtuner = tune(tuner);
+ tunerV->set(j, newtuner);
+ }
+}
+
+double KMeansTuner::evaluateAll(TunerRecord *tuner) {
+ double product = 1;
+ for (uint i = 0; i < tuner->problemsSize(); i++) {
+ Problem *problem = tuner->getProblem(i);
+ long long metric = tuner->getTime(problem);
+ if (metric == -1) {
+ metric = evaluate(problem, tuner);
+ if (metric != -1)
+ tuner->setTime(problem, metric);
+ else
+ tuner->setTime(problem, -2);
+ }
+
+ double score = metric;
+ if (metric < 0)
+ score = timeout;
+ product *= score;
+ }
+ return pow(product, 1 / ((double)tuner->problemsSize()));
+}
+
+TunerRecord *KMeansTuner::tune(TunerRecord *tuner) {
+ TunerRecord *bestTuner = NULL;
+ double bestScore = DBL_MAX;
+
+ TunerRecord *oldTuner = tuner;
+ double base_temperature = evaluateAll(oldTuner);
+ double oldScore = base_temperature;
+
+ for (uint i = 0; i < budget; i++) {
+ SearchTuner *tmpTuner = mutateTuner(oldTuner->getTuner(), i);
+ TunerRecord *newTuner = oldTuner->changeTuner(tmpTuner);
+ newTuner->setTunerNumber( allTuners.getSize() );
+ allTuners.push(newTuner);
+ double newScore = evaluateAll(newTuner);
+ newTuner->getTuner()->printUsed();
+ model_print("Received score %f\n", newScore);
+ double scoreDiff = newScore - oldScore; //smaller is better
+ if (newScore < bestScore) {
+ bestScore = newScore;
+ bestTuner = newTuner;
+ }
+
+ double acceptanceP;
+ if (scoreDiff < 0) {
+ acceptanceP = 1;
+ } else {
+ double currTemp = base_temperature * (((double)budget - i) / budget);
+ acceptanceP = exp(-scoreDiff / currTemp);
+ }
+ double ran = ((double)random()) / RAND_MAX;
+ if (ran <= acceptanceP) {
+ oldScore = newScore;
+ oldTuner = newTuner;
+ }
+ }
+
+ return bestTuner;
+}
+
+void KMeansTuner::mapProblemsToTuners(Vector<TunerRecord *> *tunerV) {
+ for (uint i = 0; i < problems.getSize(); i++) {
+ Problem *problem = problems.get(i);
+ TunerRecord *bestTuner = NULL;
+ long long bestscore = 0;
+ for (uint j = 0; j < tunerV->getSize(); j++) {
+ TunerRecord *tuner = tunerV->get(j);
+ long long metric = tuner->getTime(problem);
+ if (metric == -1) {
+ metric = evaluate(problem, tuner);
+ if (metric != -1)
+ tuner->setTime(problem, metric);
+ else
+ tuner->setTime(problem, -2);
+ }
+ if ((bestTuner == NULL && metric >= 0) ||
+ (metric < bestscore && metric >= 0)) {
+ bestTuner = tuner;
+ bestscore = metric;
+ }
+ }
+ if (bestTuner != NULL)
+ bestTuner->addProblem(problem);
+ }
+}
\ No newline at end of file
--- /dev/null
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/*
+ * File: kmeanstuner.h
+ * Author: hamed
+ *
+ * Created on December 19, 2018, 4:16 PM
+ */
+
+#ifndef KMEANSTUNER_H
+#define KMEANSTUNER_H
+
+#include "basictuner.h"
+
+
+class KMeansTuner : public BasicTuner {
+public:
+ KMeansTuner(uint budget, uint rounds, uint timeout );
+ virtual ~KMeansTuner();
+ void tune();
+private:
+ double evaluateAll(TunerRecord *tuner);
+ void mapProblemsToTuners(Vector<TunerRecord *> *tunerV);
+ void improveTuners(Vector<TunerRecord *> *tunerV);
+ TunerRecord *tune(TunerRecord *tuner);
+ uint rounds;
+};
+
+#endif /* KMEANSTUNER_H */
+
+++ /dev/null
-#include "multituner.h"
-#include <float.h>
-#include <math.h>
-#include "searchtuner.h"
-#include <iostream>
-#include <fstream>
-#include "solver_interface.h"
-
-MultiTuner::MultiTuner(uint _budget, uint _rounds, uint _timeout) :
- BasicTuner(_budget, _timeout),
- rounds(_rounds)
-{
-}
-
-void MultiTuner::findBestThreeTuners() {
- if (allTuners.getSize() < 3) {
- printData();
- return;
- }
- TunerRecord *bestTuners[3];
- double score = DBL_MAX;
- for (uint i = 0; i < allTuners.getSize() - 2; i++) {
- for (uint j = i + 1; j < allTuners.getSize() - 1; j++) {
- for (uint k = j + 1; k < allTuners.getSize(); k++) {
- TunerRecord *tuner1 = allTuners.get(i);
- TunerRecord *tuner2 = allTuners.get(j);
- TunerRecord *tuner3 = allTuners.get(k);
- double mintimes[problems.getSize()];
- for (uint l = 0; l < problems.getSize(); l++) {
- Problem *problem = problems.get(l);
- mintimes[l] = pow(min(tuner1->getTime(problem), tuner2->getTime(problem), tuner3->getTime(problem)), (double)1 / problems.getSize());
- }
- double result = 1;
- for (uint l = 0; l < problems.getSize(); l++) {
- result *= mintimes[l];
- }
- if (result < score) {
- score = result;
- bestTuners[0] = tuner1;
- bestTuners[1] = tuner2;
- bestTuners[2] = tuner3;
- }
- }
- }
- }
- model_print("Best 3 tuners:\n");
- for (uint i = 0; i < 3; i++) {
- TunerRecord *tuner = bestTuners[i];
- SearchTuner *stun = tuner->getTuner();
- char buffer[512];
- snprintf(buffer, sizeof(buffer), "best%u.tuner", i);
- stun->serialize(buffer);
- model_print("Tuner %u\n", tuner->getTunerNumber());
- stun->print();
- tuner->printProblemsInfo();
- model_print("----------------------------------\n\n\n");
- }
-}
-
-void MultiTuner::readData(uint numRuns) {
- for (uint i = 0; i < numRuns; i++) {
- ifstream myfile;
- char buffer[512];
- uint tunernumber;
- snprintf(buffer, sizeof(buffer), "tunernum%u", i);
- myfile.open (buffer, ios::in);
- myfile >> tunernumber;
- myfile.close();
- if (allTuners.getSize() <= tunernumber)
- allTuners.setSize(tunernumber + 1);
- if (allTuners.get(tunernumber) == NULL) {
- snprintf(buffer, sizeof(buffer), "tuner%u", i);
- allTuners.set(tunernumber, new TunerRecord(new SearchTuner(buffer), tunernumber));
- }
- //Add any new used records
- snprintf(buffer, sizeof(buffer), "tuner%uused", i);
- TunerRecord *tuner = allTuners.get(tunernumber);
- tuner->getTuner()->addUsed(buffer);
-
- char problemname[512];
- uint problemnumber;
- snprintf(buffer, sizeof(buffer), "problem%u", i);
- myfile.open(buffer, ios::in);
- myfile.getline(problemname, sizeof(problemname));
- myfile >> problemnumber;
- myfile.close();
- if (problems.getSize() <= problemnumber)
- problems.setSize(problemnumber + 1);
- if (problems.get(problemnumber) == NULL)
- problems.set(problemnumber, new Problem(problemname));
- Problem *problem = problems.get(problemnumber);
- long long metric = -1;
- int sat = IS_INDETER;
- //Read data in from results file
- snprintf(buffer, sizeof(buffer), "result%u", i);
-
- myfile.open (buffer, ios::in);
-
-
- if (myfile.is_open()) {
- myfile >> metric;
- myfile >> sat;
- myfile.close();
- }
- if (problem->getResult() == TUNERUNSETVALUE && sat != IS_INDETER) {
- problem->setResult(sat);
- } else if (problem->getResult() != sat && sat != IS_INDETER) {
- model_print("******** Result has changed ********\n");
- }
-
- if (metric != -1) {
- if (tuner->getTime(problem) == -1)
- tuner->addProblem(problem);
- tuner->setTime(problem, metric);
- }
-
- }
-
-}
-
-void MultiTuner::tune() {
- Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
- for (uint b = 0; b < budget; b++) {
- model_print("Round %u of %u\n", b, budget);
- uint tSize = tunerV->getSize();
- for (uint i = 0; i < tSize; i++) {
- SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
- TunerRecord *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);
- tunerV->push(tmp);
- }
-
- Hashtable<TunerRecord *, int, uint64_t> scores;
- for (uint i = 0; i < problems.getSize(); i++) {
- Problem *problem = problems.get(i);
- Vector<TunerRecord *> places;
- for (uint j = 0; j < tunerV->getSize(); j++) {
- TunerRecord *tuner = tunerV->get(j);
- long long metric = tuner->getTime(problem);
- if (metric == -1) {
- metric = evaluate(problem, tuner);
- if (tuner->getTime(problem) == -1) {
- tuner->addProblem(problem);
- }
- model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->getProblem(),tuner, tuner->getTunerNumber(), metric);
- model_print("*****************************\n");
- if (metric != -1)
- tuner->setTime(problem, metric);
- else
- tuner->setTime(problem, -2);
- }
- if (metric >= 0) {
- uint k = 0;
- for (; k < places.getSize(); k++) {
- if (metric < places.get(k)->getTime(problem))
- break;
- }
- model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->getTunerNumber());
- places.insertAt(k, tuner);
- }
- }
- int points = 9;
- for (uint k = 0; k < places.getSize() && points; k++) {
- TunerRecord *tuner = places.get(k);
- int currScore = 0;
- if (scores.contains(tuner))
- currScore = scores.get(tuner);
- currScore += points;
- model_print("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->getProblem(), tuner, tuner->getTunerNumber(), currScore);
- model_print("**************************\n");
- scores.put(tuner, currScore);
- points = points / 3;
- }
- }
- Vector<TunerRecord *> ranking;
- for (uint i = 0; i < tunerV->getSize(); i++) {
- TunerRecord *tuner = tunerV->get(i);
- int score = 0;
- if (scores.contains(tuner))
- score = scores.get(tuner);
- uint j = 0;
- for (; j < ranking.getSize(); j++) {
- TunerRecord *t = ranking.get(j);
- int tscore = 0;
- if (scores.contains(t))
- tscore = scores.get(t);
- if (score > tscore)
- break;
- }
- model_print("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->getTunerNumber(), score);
- model_print("************************\n");
- ranking.insertAt(j, tuner);
- }
- model_print("tunerSize=%u\trankingSize=%u\ttunerVSize=%u\n", tuners.getSize(), ranking.getSize(), tunerV->getSize());
- for (uint i = tuners.getSize(); i < ranking.getSize(); i++) {
- TunerRecord *tuner = ranking.get(i);
- model_print("Removing tuner %u\n", tuner->getTunerNumber());
- for (uint j = 0; j < tunerV->getSize(); j++) {
- if (tunerV->get(j) == tuner)
- tunerV->removeAt(j);
- }
- }
- }
- printData();
-}
-
-void MultiTuner::mapProblemsToTuners(Vector<TunerRecord *> *tunerV) {
- for (uint i = 0; i < problems.getSize(); i++) {
- Problem *problem = problems.get(i);
- TunerRecord *bestTuner = NULL;
- long long bestscore = 0;
- for (uint j = 0; j < tunerV->getSize(); j++) {
- TunerRecord *tuner = tunerV->get(j);
- long long metric = tuner->getTime(problem);
- if (metric == -1) {
- metric = evaluate(problem, tuner);
- if (metric != -1)
- tuner->setTime(problem, metric);
- else
- tuner->setTime(problem, -2);
- }
- if ((bestTuner == NULL && metric >= 0) ||
- (metric < bestscore && metric >= 0)) {
- bestTuner = tuner;
- bestscore = metric;
- }
- }
- if (bestTuner != NULL)
- bestTuner->addProblem(problem);
- }
-}
-
-void clearVector(Vector<TunerRecord *> *tunerV) {
- for (uint j = 0; j < tunerV->getSize(); j++) {
- TunerRecord *tuner = tunerV->get(j);
- tuner->problems.clear();
- }
-}
-
-void MultiTuner::tuneK() {
- Vector<TunerRecord *> *tunerV = new Vector<TunerRecord *>(&tuners);
- for (uint i = 0; i < rounds; i++) {
- clearVector(tunerV);
- mapProblemsToTuners(tunerV);
- improveTuners(tunerV);
- }
- model_print("Best tuners\n");
- for (uint j = 0; j < tunerV->getSize(); j++) {
- TunerRecord *tuner = tunerV->get(j);
- char buffer[256];
- sprintf(buffer, "tuner%u.conf", j);
- tuner->getTuner()->serialize(buffer);
- tuner->getTuner()->print();
- }
- delete tunerV;
-}
-
-void MultiTuner::improveTuners(Vector<TunerRecord *> *tunerV) {
- for (uint j = 0; j < tunerV->getSize(); j++) {
- TunerRecord *tuner = tunerV->get(j);
- TunerRecord *newtuner = tune(tuner);
- tunerV->set(j, newtuner);
- }
-}
-
-double MultiTuner::evaluateAll(TunerRecord *tuner) {
- double product = 1;
- for (uint i = 0; i < tuner->problemsSize(); i++) {
- Problem *problem = tuner->getProblem(i);
- long long metric = tuner->getTime(problem);
- if (metric == -1) {
- metric = evaluate(problem, tuner);
- if (metric != -1)
- tuner->setTime(problem, metric);
- else
- tuner->setTime(problem, -2);
- }
-
- double score = metric;
- if (metric < 0)
- score = timeout;
- product *= score;
- }
- return pow(product, 1 / ((double)tuner->problemsSize()));
-}
-
-TunerRecord *MultiTuner::tune(TunerRecord *tuner) {
- TunerRecord *bestTuner = NULL;
- double bestScore = DBL_MAX;
-
- TunerRecord *oldTuner = tuner;
- double base_temperature = evaluateAll(oldTuner);
- double oldScore = base_temperature;
-
- for (uint i = 0; i < budget; i++) {
- SearchTuner *tmpTuner = mutateTuner(oldTuner->getTuner(), i);
- TunerRecord *newTuner = oldTuner->changeTuner(tmpTuner);
- newTuner->setTunerNumber( allTuners.getSize() );
- allTuners.push(newTuner);
- double newScore = evaluateAll(newTuner);
- newTuner->getTuner()->printUsed();
- model_print("Received score %f\n", newScore);
- double scoreDiff = newScore - oldScore; //smaller is better
- if (newScore < bestScore) {
- bestScore = newScore;
- bestTuner = newTuner;
- }
-
- double acceptanceP;
- if (scoreDiff < 0) {
- acceptanceP = 1;
- } else {
- double currTemp = base_temperature * (((double)budget - i) / budget);
- acceptanceP = exp(-scoreDiff / currTemp);
- }
- double ran = ((double)random()) / RAND_MAX;
- if (ran <= acceptanceP) {
- oldScore = newScore;
- oldTuner = newTuner;
- }
- }
-
- return bestTuner;
-}
-
+++ /dev/null
-#ifndef MULTITUNER_H
-#define MULTITUNER_H
-#include "classlist.h"
-#include "structs.h"
-#include "basictuner.h"
-
-
-class MultiTuner : public BasicTuner {
-public:
- MultiTuner(uint budget, uint rounds, uint timeout);
- void readData(uint numRuns);
- void tuneK();
- void tune();
- void findBestThreeTuners();
-protected:
- double evaluateAll(TunerRecord *tuner);
- void mapProblemsToTuners(Vector<TunerRecord *> *tunerV);
- void improveTuners(Vector<TunerRecord *> *tunerV);
- TunerRecord *tune(TunerRecord *tuner);
- uint rounds;
-};
-
-inline long long min(long long num1, long long num2, long long num3) {
- return num1 < num2 && num1 < num3 ? num1 :
- num2 < num3 ? num2 : num3;
-}
-
-#endif
#include "randomtuner.h"
#include "csolver.h"
#include "searchtuner.h"
-#include "multituner.h"
+#include "comptuner.h"
#include <math.h>
#include <stdlib.h>
#include <limits>
BasicTuner(_budget, _timeout) {
}
+RandomTuner::~RandomTuner(){
+
+}
+
void RandomTuner::tune() {
for (uint r = 0; r < budget; r++) {
model_print("Round %u of %u\n", r, budget);
#define RANDOMTUNER_H
#include "classlist.h"
#include "structs.h"
-#include "multituner.h"
+#include "comptuner.h"
#include "basictuner.h"
/**
class RandomTuner : public BasicTuner {
public:
RandomTuner(uint _budget, uint _timeout);
+ virtual ~RandomTuner();
void tune();
protected:
bool randomMutation(SearchTuner *tuner);
class DOREdge;
class AutoTuner;
-class MultiTuner;
+class CompTuner;
class SearchTuner;
class TunableSetting;
projects / satune.git / commitdiff