exit(-1);
}
- multituner->tuneComp();
+ multituner->tune();
delete multituner;
return 0;
}
--- /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: basictuner.cc
+ * Author: hamed
+ *
+ * Created on December 17, 2018, 2:02 PM
+ */
+
+#include "basictuner.h"
+#include "common.h"
+#include "csolver.h"
+#include "searchtuner.h"
+#include <stdlib.h>
+#include <string.h>
+#include <iostream>
+#include <fstream>
+
+Problem::Problem(const char *_problem) :
+ problemnumber(-1),
+ result(TUNERUNSETVALUE),
+ besttime(LLONG_MAX)
+{
+ uint len = strlen(_problem);
+ problem = (char *) ourmalloc(len + 1);
+ memcpy(problem, _problem, len + 1);
+}
+
+Problem::~Problem() {
+ ourfree(problem);
+}
+
+void TunerRecord::setTime(Problem *problem, long long time) {
+ timetaken.put(problem, time);
+}
+
+void TunerRecord::print(){
+ model_print("*************TUNER NUMBER=%d***********\n", tunernumber);
+ tuner->print();
+ model_print("&&&&&&&&&&&&&USED SETTINGS &&&&&&&&&&&&\n");
+ tuner->printUsed();
+ model_print("\n");
+}
+
+void TunerRecord::printProblemsInfo(){
+ for (uint j = 0; j < problems.getSize(); j++) {
+ Problem *problem = problems.get(j);
+ model_print("Problem %s\n", problem->getProblem());
+ model_print("Time = %lld\n", getTime(problem));
+ }
+}
+
+long long TunerRecord::getTime(Problem *problem) {
+ if (timetaken.contains(problem))
+ return timetaken.get(problem);
+ else return -1;
+}
+
+TunerRecord *TunerRecord::changeTuner(SearchTuner *_newtuner) {
+ TunerRecord *tr = new TunerRecord(_newtuner);
+ for (uint i = 0; i < problems.getSize(); i++) {
+ tr->problems.push(problems.get(i));
+ }
+ return tr;
+}
+
+
+BasicTuner::BasicTuner(uint _budget, uint _timeout) :
+ budget(_budget), timeout(_timeout), execnum(0){
+}
+
+BasicTuner::~BasicTuner() {
+ for (uint i = 0; i < problems.getSize(); i++)
+ ourfree(problems.get(i));
+ for (uint i = 0; i < allTuners.getSize(); i++)
+ delete allTuners.get(i);
+}
+
+void BasicTuner::addProblem(const char *filename) {
+ Problem *p = new Problem(filename);
+ p->setProblemNumber(problems.getSize());
+ problems.push(p);
+}
+
+void BasicTuner::printData() {
+ model_print("*********** DATA DUMP ***********\n");
+ for (uint i = 0; i < allTuners.getSize(); i++) {
+ TunerRecord *tuner = allTuners.get(i);
+ SearchTuner *stun = tuner->getTuner();
+ model_print("Tuner %u\n", i);
+ stun->print();
+ model_print("----------------------------------\n\n\n");
+ for (uint j = 0; j < tuner->problemsSize(); j++) {
+ Problem *problem = tuner->getProblem(j);
+ model_print("Problem %s\n", problem->getProblem());
+ model_print("Time = %lld\n", tuner->getTime(problem));
+ }
+ }
+}
+
+bool BasicTuner::tunerExists(SearchTuner *tuner){
+ for(uint i=0; i< explored.getSize(); i++){
+ if(explored.get(i)->getTuner()->equalUsed(tuner))
+ return true;
+ }
+ return false;
+}
+
+void BasicTuner::addTuner(SearchTuner *tuner) {
+ TunerRecord *t = new TunerRecord(tuner);
+ tuners.push(t);
+ t->setTunerNumber( allTuners.getSize() );
+ allTuners.push(t);
+}
+
+long long BasicTuner::evaluate(Problem *problem, TunerRecord *tuner) {
+ char buffer[512];
+ {
+ snprintf(buffer, sizeof(buffer), "problem%u", execnum);
+
+ ofstream myfile;
+ myfile.open (buffer, ios::out);
+
+
+ if (myfile.is_open()) {
+ myfile << problem->getProblem() << endl;
+ myfile << problem->getProblemNumber() << endl;
+ myfile.close();
+ }
+ }
+
+ {
+ snprintf(buffer, sizeof(buffer), "tunernum%u", execnum);
+
+ ofstream myfile;
+ myfile.open (buffer, ios::out);
+
+
+ if (myfile.is_open()) {
+ myfile << tuner->getTunerNumber() << endl;
+ myfile.close();
+ }
+ }
+
+ //Write out the tuner
+ snprintf(buffer, sizeof(buffer), "tuner%u", execnum);
+ tuner->getTuner()->serialize(buffer);
+
+ //compute timeout
+ uint timeinsecs = problem->getBestTime() / NANOSEC;
+ uint adaptive = (timeinsecs > 30) ? timeinsecs * 5 : 150;
+ uint maxtime = (adaptive < timeout) ? adaptive : timeout;
+
+ //Do run
+ snprintf(buffer, sizeof(buffer), "./run.sh deserializerun %s %u tuner%u result%u > log%u", problem->getProblem(), maxtime, execnum, execnum, execnum);
+ int status = system(buffer);
+
+ long long metric = -1;
+ int sat = IS_INDETER;
+
+ if (status == 0) {
+ //Read data in from results file
+ snprintf(buffer, sizeof(buffer), "result%u", execnum);
+
+ ifstream myfile;
+ myfile.open (buffer, ios::in);
+
+
+ if (myfile.is_open()) {
+ myfile >> metric;
+ myfile >> sat;
+ myfile.close();
+ }
+ updateTimeout(problem, metric);
+ snprintf(buffer, sizeof(buffer), "tuner%uused", execnum);
+ tuner->getTuner()->addUsed(buffer);
+ }
+ //Increment execution count
+ execnum++;
+
+ 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 (sat == IS_INDETER && metric != -1) {//The case when we have a timeout
+ metric = -1;
+ }
+ return metric;
+}
+
+SearchTuner *BasicTuner::mutateTuner(SearchTuner *oldTuner, uint k) {
+ SearchTuner *newTuner = oldTuner->copyUsed();
+ uint numSettings = oldTuner->getSize();
+ uint settingsToMutate = (uint)(AUTOTUNERFACTOR * (((double)numSettings) * (budget - k)) / (budget));
+ if (settingsToMutate < 1)
+ settingsToMutate = 1;
+ model_print("Mutating %u settings\n", settingsToMutate);
+ while (settingsToMutate-- != 0) {
+ newTuner->randomMutate();
+ }
+ return newTuner;
+}
+
+bool BasicTuner::subTunerExist(SearchTuner *newTuner){
+ for (uint i=0; i< explored.getSize(); i++){
+ SearchTuner *tuner = explored.get(i)->getTuner();
+ if(tuner->isSubTunerof(newTuner)){
+ return true;
+ }
+ }
+ return false;
+}
+
+
+void BasicTuner::updateTimeout(Problem *problem, long long metric) {
+ if (metric < problem->getBestTime()) {
+ problem->setBestTime( metric );
+ }
+}
\ 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: basictuner.h
+ * Author: hamed
+ *
+ * Created on December 17, 2018, 2:02 PM
+ */
+
+#ifndef BASICTUNER_H
+#define BASICTUNER_H
+#include "mymemory.h"
+#include "classlist.h"
+#include "cppvector.h"
+#include "hashtable.h"
+
+#define TUNERUNSETVALUE -1
+#define AUTOTUNERFACTOR 0.3
+
+class Problem {
+public:
+ Problem(const char *problem);
+ char *getProblem() {return problem;}
+ inline int getResult(){return result;}
+ inline int getProblemNumber(){return problemnumber;}
+ inline void setResult(int res){result = res;}
+ inline void setProblemNumber(int probNum){problemnumber = probNum;}
+ inline long long getBestTime() {return besttime ;}
+ inline void setBestTime(long long time) {besttime = time;}
+ ~Problem();
+ CMEMALLOC;
+private:
+ int problemnumber;
+ int result;
+ char *problem;
+ long long besttime;
+};
+
+class TunerRecord {
+public:
+ TunerRecord(SearchTuner *_tuner) : tuner(_tuner), tunernumber(-1) {}
+ TunerRecord(SearchTuner *_tuner, int _tunernumber) : tuner(_tuner), tunernumber(_tunernumber) {}
+ SearchTuner *getTuner() {return tuner;}
+ void inline addProblem(Problem * problem){problems.push(problem);}
+ TunerRecord *changeTuner(SearchTuner *_newtuner);
+ void updateTuner(SearchTuner *_newtuner) {tuner = _newtuner;}
+ long long getTime(Problem *problem);
+ void setTime(Problem *problem, long long time);
+ inline void setTunerNumber(int numb){tunernumber = numb;}
+ inline int getTunerNumber(){return tunernumber;}
+ inline uint problemsSize() {return problems.getSize();}
+ inline Problem *getProblem(uint index){return problems.get(index);}
+ void print();
+ void printProblemsInfo();
+ CMEMALLOC;
+private:
+ SearchTuner *tuner;
+ Vector<Problem *> problems;
+ Hashtable<Problem *, long long, uint64_t> timetaken;
+ int tunernumber;
+ friend void clearVector(Vector<TunerRecord *> *tunerV);
+};
+
+class BasicTuner {
+public:
+ BasicTuner(uint _budget, uint _timeout);
+ void addProblem(const char *filename);
+ void addTuner(SearchTuner *tuner);
+ void printData();
+ virtual ~BasicTuner();
+ virtual void tune() = 0;
+ CMEMALLOC;
+protected:
+ long long evaluate(Problem *problem, TunerRecord *tuner);
+ /**
+ * returns the index of the tuner which is subtune of
+ * the newTuner
+ * @param newTuner
+ * @return
+ */
+ bool subTunerExist(SearchTuner *newTuner);
+ bool tunerExists(SearchTuner *tunerRec);
+ SearchTuner *mutateTuner(SearchTuner *oldTuner, uint k);
+ void updateTimeout(Problem *problem, long long metric);
+ Vector<TunerRecord *> allTuners;
+ Vector<TunerRecord *> explored;
+ Vector<Problem *> problems;
+ Vector<TunerRecord *> tuners;
+ uint budget;
+ uint timeout;
+ int execnum;
+};
+
+#endif /* BASICTUNER_H */
+
#include "multituner.h"
-#include "csolver.h"
-#include "searchtuner.h"
-#include <math.h>
-#include <stdlib.h>
#include <float.h>
-#include <string.h>
+#include <math.h>
+#include "searchtuner.h"
#include <iostream>
#include <fstream>
-#include <limits>
-
-#define UNSETVALUE -1
-
-Problem::Problem(const char *_problem) :
- problemnumber(-1),
- result(UNSETVALUE),
- besttime(LLONG_MAX)
-{
- uint len = strlen(_problem);
- problem = (char *) ourmalloc(len + 1);
- memcpy(problem, _problem, len + 1);
-}
-
-Problem::~Problem() {
- ourfree(problem);
-}
-
-void TunerRecord::setTime(Problem *problem, long long time) {
- timetaken.put(problem, time);
-}
-
-void TunerRecord::print(){
- model_print("*************TUNER NUMBER=%d***********\n", tunernumber);
- tuner->print();
- model_print("&&&&&&&&&&&&&USED SETTINGS &&&&&&&&&&&&\n");
- tuner->printUsed();
- model_print("\n");
-}
-
-long long TunerRecord::getTime(Problem *problem) {
- if (timetaken.contains(problem))
- return timetaken.get(problem);
- else return -1;
-}
-
-TunerRecord *TunerRecord::changeTuner(SearchTuner *_newtuner) {
- TunerRecord *tr = new TunerRecord(_newtuner);
- for (uint i = 0; i < problems.getSize(); i++) {
- tr->problems.push(problems.get(i));
- }
- return tr;
-}
+#include "solver_interface.h"
MultiTuner::MultiTuner(uint _budget, uint _rounds, uint _timeout) :
- budget(_budget), rounds(_rounds), timeout(_timeout), execnum(0) {
-}
-
-MultiTuner::~MultiTuner() {
- for (uint i = 0; i < problems.getSize(); i++)
- ourfree(problems.get(i));
- for (uint i = 0; i < allTuners.getSize(); i++)
- delete allTuners.get(i);
-}
-
-void MultiTuner::addProblem(const char *filename) {
- Problem *p = new Problem(filename);
- p->problemnumber = problems.getSize();
- problems.push(p);
-}
-
-void MultiTuner::printData() {
- model_print("*********** DATA DUMP ***********\n");
- for (uint i = 0; i < allTuners.getSize(); i++) {
- TunerRecord *tuner = allTuners.get(i);
- SearchTuner *stun = tuner->getTuner();
- model_print("Tuner %u\n", i);
- stun->print();
- model_print("----------------------------------\n\n\n");
- for (uint j = 0; j < tuner->problems.getSize(); j++) {
- Problem *problem = tuner->problems.get(j);
- model_print("Problem %s\n", problem->getProblem());
- model_print("Time = %lld\n", tuner->getTime(problem));
- }
- }
+ BasicTuner(_budget, _timeout),
+ rounds(_rounds)
+{
}
void MultiTuner::findBestThreeTuners() {
char buffer[512];
snprintf(buffer, sizeof(buffer), "best%u.tuner", i);
stun->serialize(buffer);
- model_print("Tuner %u\n", tuner->tunernumber);
+ model_print("Tuner %u\n", tuner->getTunerNumber());
stun->print();
- for (uint j = 0; j < tuner->problems.getSize(); j++) {
- Problem *problem = tuner->problems.get(j);
- model_print("Problem %s\n", problem->getProblem());
- model_print("Time = %lld\n", tuner->getTime(problem));
- }
+ tuner->printProblemsInfo();
model_print("----------------------------------\n\n\n");
}
}
-bool MultiTuner::finishTunerExist(TunerRecord *tunerRec){
- SearchTuner *tuner = tunerRec->getTuner();
- for(uint i=0; i< explored.getSize(); i++){
- if(explored.get(i)->getTuner()->equalUsed(tuner))
- return true;
- }
- return false;
-}
-
-void MultiTuner::addTuner(SearchTuner *tuner) {
- TunerRecord *t = new TunerRecord(tuner);
- tuners.push(t);
- t->tunernumber = allTuners.getSize();
- allTuners.push(t);
-}
-
-
void MultiTuner::readData(uint numRuns) {
for (uint i = 0; i < numRuns; i++) {
ifstream myfile;
myfile >> sat;
myfile.close();
}
- if (problem->result == UNSETVALUE && sat != IS_INDETER) {
- problem->result = sat;
- } else if (problem->result != sat && sat != IS_INDETER) {
+ 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->problems.push(problem);
+ tuner->addProblem(problem);
tuner->setTime(problem, metric);
}
}
-long long MultiTuner::evaluate(Problem *problem, TunerRecord *tuner) {
- char buffer[512];
- {
- snprintf(buffer, sizeof(buffer), "problem%u", execnum);
-
- ofstream myfile;
- myfile.open (buffer, ios::out);
-
-
- if (myfile.is_open()) {
- myfile << problem->getProblem() << endl;
- myfile << problem->problemnumber << endl;
- myfile.close();
- }
- }
-
- {
- snprintf(buffer, sizeof(buffer), "tunernum%u", execnum);
-
- ofstream myfile;
- myfile.open (buffer, ios::out);
-
-
- if (myfile.is_open()) {
- myfile << tuner->tunernumber << endl;
- myfile.close();
- }
- }
-
- //Write out the tuner
- snprintf(buffer, sizeof(buffer), "tuner%u", execnum);
- tuner->getTuner()->serialize(buffer);
-
- //compute timeout
- uint timeinsecs = problem->besttime / NANOSEC;
- uint adaptive = (timeinsecs > 30) ? timeinsecs * 5 : 150;
- uint maxtime = (adaptive < timeout) ? adaptive : timeout;
-
- //Do run
- snprintf(buffer, sizeof(buffer), "./run.sh deserializerun %s %u tuner%u result%u > log%u", problem->getProblem(), maxtime, execnum, execnum, execnum);
- int status = system(buffer);
-
- long long metric = -1;
- int sat = IS_INDETER;
-
- if (status == 0) {
- //Read data in from results file
- snprintf(buffer, sizeof(buffer), "result%u", execnum);
-
- ifstream myfile;
- myfile.open (buffer, ios::in);
-
-
- if (myfile.is_open()) {
- myfile >> metric;
- myfile >> sat;
- myfile.close();
- }
- updateTimeout(problem, metric);
- snprintf(buffer, sizeof(buffer), "tuner%uused", execnum);
- tuner->getTuner()->addUsed(buffer);
- if(!finishTunerExist(tuner)){
- explored.push(tuner);
- }
- }
- //Increment execution count
- execnum++;
-
- if (problem->result == UNSETVALUE && sat != IS_INDETER) {
- problem->result = sat;
- } else if (problem->result != sat && sat != IS_INDETER) {
- model_print("******** Result has changed ********\n");
- }
- if (sat == IS_INDETER && metric != -1) {//The case when we have a timeout
- metric = -1;
- }
- return metric;
-}
-
-void MultiTuner::updateTimeout(Problem *problem, long long metric) {
- if (metric < problem->besttime) {
- problem->besttime = metric;
- }
-}
-
-void MultiTuner::tuneComp() {
+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);
for (uint i = 0; i < tSize; i++) {
SearchTuner *tmpTuner = mutateTuner(tunerV->get(i)->getTuner(), b);
TunerRecord *tmp = new TunerRecord(tmpTuner);
- tmp->tunernumber = allTuners.getSize();
- model_print("Mutated tuner %u to generate tuner %u\n", tunerV->get(i)->tunernumber, tmp->tunernumber);
+ 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);
}
if (metric == -1) {
metric = evaluate(problem, tuner);
if (tuner->getTime(problem) == -1) {
- tuner->problems.push(problem);
+ tuner->addProblem(problem);
}
- model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->problem,tuner, tuner->tunernumber, metric);
+ 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);
if (metric < places.get(k)->getTime(problem))
break;
}
- model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->tunernumber);
+ model_print("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->getTunerNumber());
places.insertAt(k, tuner);
}
}
if (scores.contains(tuner))
currScore = scores.get(tuner);
currScore += points;
- model_print("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->problem, tuner, tuner->tunernumber, currScore);
+ 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;
if (score > tscore)
break;
}
- model_print("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->tunernumber, score);
+ 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->tunernumber);
+ model_print("Removing tuner %u\n", tuner->getTunerNumber());
for (uint j = 0; j < tunerV->getSize(); j++) {
if (tunerV->get(j) == tuner)
tunerV->removeAt(j);
}
}
if (bestTuner != NULL)
- bestTuner->problems.push(problem);
+ bestTuner->addProblem(problem);
}
}
double MultiTuner::evaluateAll(TunerRecord *tuner) {
double product = 1;
- for (uint i = 0; i < tuner->problems.getSize(); i++) {
- Problem *problem = tuner->problems.get(i);
+ 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);
score = timeout;
product *= score;
}
- return pow(product, 1 / ((double)tuner->problems.getSize()));
-}
-
-SearchTuner *MultiTuner::mutateTuner(SearchTuner *oldTuner, uint k) {
- SearchTuner *newTuner = oldTuner->copyUsed();
- uint numSettings = oldTuner->getSize();
- uint settingsToMutate = (uint)(AUTOTUNERFACTOR * (((double)numSettings) * (budget - k)) / (budget));
- if (settingsToMutate < 1)
- settingsToMutate = 1;
- model_print("Mutating %u settings\n", settingsToMutate);
- while (settingsToMutate-- != 0) {
- newTuner->randomMutate();
- if(hasExplored(newTuner)){
- model_print("Note:A repetitive tuner has found\n");
- settingsToMutate++;
- }
- }
- return newTuner;
-}
-
-bool MultiTuner::hasExplored(SearchTuner *newTuner){
- for (uint i=0; i< explored.getSize(); i++){
- SearchTuner *tuner = explored.get(i)->getTuner();
- if(tuner->isSubTunerof(newTuner)){
- return true;
- }
- }
- return false;
+ return pow(product, 1 / ((double)tuner->problemsSize()));
}
TunerRecord *MultiTuner::tune(TunerRecord *tuner) {
for (uint i = 0; i < budget; i++) {
SearchTuner *tmpTuner = mutateTuner(oldTuner->getTuner(), i);
TunerRecord *newTuner = oldTuner->changeTuner(tmpTuner);
- newTuner->tunernumber = allTuners.getSize();
+ newTuner->setTunerNumber( allTuners.getSize() );
allTuners.push(newTuner);
double newScore = evaluateAll(newTuner);
- newTuner->tuner->printUsed();
+ newTuner->getTuner()->printUsed();
model_print("Received score %f\n", newScore);
double scoreDiff = newScore - oldScore; //smaller is better
if (newScore < bestScore) {
#define MULTITUNER_H
#include "classlist.h"
#include "structs.h"
+#include "basictuner.h"
-#define AUTOTUNERFACTOR 0.3
-class Problem {
-public:
- Problem(const char *problem);
- char *getProblem() {return problem;}
- ~Problem();
- CMEMALLOC;
-private:
- int problemnumber;
- int result;
- char *problem;
- long long besttime;
- friend class MultiTuner;
- friend class RandomTuner;
-};
-
-class TunerRecord {
-public:
- TunerRecord(SearchTuner *_tuner) : tuner(_tuner), tunernumber(-1) {}
- TunerRecord(SearchTuner *_tuner, int _tunernumber) : tuner(_tuner), tunernumber(_tunernumber) {}
- SearchTuner *getTuner() {return tuner;}
- TunerRecord *changeTuner(SearchTuner *_newtuner);
- void updateTuner(SearchTuner *_newtuner) {tuner = _newtuner;}
- long long getTime(Problem *problem);
- void setTime(Problem *problem, long long time);
- void print();
-private:
- SearchTuner *tuner;
- Vector<Problem *> problems;
- Hashtable<Problem *, long long, uint64_t> timetaken;
- int tunernumber;
- friend class MultiTuner;
- friend class RandomTuner;
- friend void clearVector(Vector<TunerRecord *> *tunerV);
-};
-
-class MultiTuner {
+class MultiTuner : public BasicTuner {
public:
MultiTuner(uint budget, uint rounds, uint timeout);
- ~MultiTuner();
- void addProblem(const char *filename);
- void addTuner(SearchTuner *tuner);
void readData(uint numRuns);
- void updateTimeout(Problem *problem, long long metric);
void tuneK();
- bool finishTunerExist(TunerRecord *tuner);
- void tuneComp();
- void printData();
+ void tune();
void findBestThreeTuners();
- CMEMALLOC;
protected:
- long long evaluate(Problem *problem, TunerRecord *tuner);
double evaluateAll(TunerRecord *tuner);
- SearchTuner *mutateTuner(SearchTuner *oldTuner, uint k);
- bool hasExplored(SearchTuner *newTuner);
void mapProblemsToTuners(Vector<TunerRecord *> *tunerV);
void improveTuners(Vector<TunerRecord *> *tunerV);
TunerRecord *tune(TunerRecord *tuner);
- Vector<TunerRecord *> allTuners;
- Vector<TunerRecord *> explored;
- Vector<Problem *> problems;
- Vector<TunerRecord *> tuners;
- uint budget;
uint rounds;
- uint timeout;
- int execnum;
};
inline long long min(long long num1, long long num2, long long num3) {
#include "multituner.h"
#include <math.h>
#include <stdlib.h>
-#include <float.h>
-#include <string.h>
-#include <iostream>
-#include <fstream>
#include <limits>
#define UNSETVALUE -1
-RandomTuner::RandomTuner(uint _budget, uint _timeout) :
- budget(_budget), timeout(_timeout), execnum(0) {
-}
-
-RandomTuner::~RandomTuner() {
- for (uint i = 0; i < problems.getSize(); i++)
- ourfree(problems.get(i));
- for (uint i = 0; i < allTuners.getSize(); i++)
- delete allTuners.get(i);
-}
-
-void RandomTuner::addProblem(const char *filename) {
- Problem *p = new Problem(filename);
- p->problemnumber = problems.getSize();
- problems.push(p);
-}
-
-void RandomTuner::printData() {
- model_print("*********** DATA DUMP ***********\n");
- for (uint i = 0; i < allTuners.getSize(); i++) {
- TunerRecord *tuner = allTuners.get(i);
- SearchTuner *stun = tuner->getTuner();
- model_print("Tuner %u\n", i);
- stun->print();
- model_print("----------------------------------\n\n\n");
- for (uint j = 0; j < tuner->problems.getSize(); j++) {
- Problem *problem = tuner->problems.get(j);
- model_print("Problem %s\n", problem->getProblem());
- model_print("Time = %lld\n", tuner->getTime(problem));
- }
- }
-}
-
-bool RandomTuner::tunerExists(SearchTuner *tuner){
- for(uint i=0; i< explored.getSize(); i++){
- if(explored.get(i)->getTuner()->equalUsed(tuner))
- return true;
- }
- return false;
-}
-
-void RandomTuner::addTuner(SearchTuner *tuner) {
- TunerRecord *t = new TunerRecord(tuner);
- tuners.push(t);
- t->tunernumber = allTuners.getSize();
- allTuners.push(t);
-}
-
-long long RandomTuner::evaluate(Problem *problem, TunerRecord *tuner) {
- char buffer[512];
- {
- snprintf(buffer, sizeof(buffer), "problem%u", execnum);
-
- ofstream myfile;
- myfile.open (buffer, ios::out);
-
-
- if (myfile.is_open()) {
- myfile << problem->getProblem() << endl;
- myfile << problem->problemnumber << endl;
- myfile.close();
- }
- }
-
- {
- snprintf(buffer, sizeof(buffer), "tunernum%u", execnum);
-
- ofstream myfile;
- myfile.open (buffer, ios::out);
-
-
- if (myfile.is_open()) {
- myfile << tuner->tunernumber << endl;
- myfile.close();
- }
- }
-
- //Write out the tuner
- snprintf(buffer, sizeof(buffer), "tuner%u", execnum);
- tuner->getTuner()->serialize(buffer);
-
- //compute timeout
- uint timeinsecs = problem->besttime / NANOSEC;
- uint adaptive = (timeinsecs > 30) ? timeinsecs * 5 : 150;
- uint maxtime = (adaptive < timeout) ? adaptive : timeout;
-
- //Do run
- snprintf(buffer, sizeof(buffer), "./run.sh deserializerun %s %u tuner%u result%u > log%u", problem->getProblem(), maxtime, execnum, execnum, execnum);
- int status = system(buffer);
-
- long long metric = -1;
- int sat = IS_INDETER;
-
- if (status == 0) {
- //Read data in from results file
- snprintf(buffer, sizeof(buffer), "result%u", execnum);
-
- ifstream myfile;
- myfile.open (buffer, ios::in);
-
-
- if (myfile.is_open()) {
- myfile >> metric;
- myfile >> sat;
- myfile.close();
- }
- updateTimeout(problem, metric);
- snprintf(buffer, sizeof(buffer), "tuner%uused", execnum);
- tuner->getTuner()->addUsed(buffer);
- }
- //Increment execution count
- execnum++;
-
- if (problem->result == UNSETVALUE && sat != IS_INDETER) {
- problem->result = sat;
- } else if (problem->result != sat && sat != IS_INDETER) {
- model_print("******** Result has changed ********\n");
- }
- if (sat == IS_INDETER && metric != -1) {//The case when we have a timeout
- metric = -1;
- }
- return metric;
-}
-
-void RandomTuner::updateTimeout(Problem *problem, long long metric) {
- if (metric < problem->besttime) {
- problem->besttime = metric;
- }
+RandomTuner::RandomTuner(uint _budget, uint _timeout) :
+ BasicTuner(_budget, _timeout) {
}
void RandomTuner::tune() {
if(metric == -1){
metric = evaluate(problem, tuner);
ASSERT(tuner->getTime(problem) == -1);
- tuner->problems.push(problem);
- model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->problem,tuner, tuner->tunernumber, metric);
+ tuner->addProblem(problem);
+ model_print("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->getProblem(),tuner, tuner->getTunerNumber(), metric);
if (metric != -1)
tuner->setTime(problem, metric);
else
tuner->setTime(problem, -2);
if(tunerExists(tuner->getTuner())){
- //Solving the first problem and noticing the tuner
+ //Solving the problem and noticing the tuner
//already exists
isNew = false;
break;
uint tSize = tuners.getSize();
for (uint i = 0; i < tSize; i++) {
SearchTuner *tmpTuner = mutateTuner(tuners.get(i)->getTuner(), budget);
- while(subtuneIndex(tmpTuner) != -1){
+ while(subTunerExist(tmpTuner)){
tmpTuner->randomMutate();
}
TunerRecord *tmp = new TunerRecord(tmpTuner);
- tmp->tunernumber = allTuners.getSize();
- model_print("Mutated tuner %u to generate tuner %u\n", tuners.get(i)->tunernumber, tmp->tunernumber);
+ tmp->setTunerNumber(allTuners.getSize());
+ model_print("Mutated tuner %u to generate tuner %u\n", tuners.get(i)->getTunerNumber(), tmp->getTunerNumber());
allTuners.push(tmp);
tuners.set(i, tmp);
}
printData();
}
-
-SearchTuner *RandomTuner::mutateTuner(SearchTuner *oldTuner, uint k) {
- SearchTuner *newTuner = oldTuner->copyUsed();
- uint numSettings = oldTuner->getSize();
- uint settingsToMutate = (uint)(AUTOTUNERFACTOR * (((double)numSettings) * (budget - k)) / (budget));
- if (settingsToMutate < 1)
- settingsToMutate = 1;
- model_print("Mutating %u settings\n", settingsToMutate);
- while (settingsToMutate-- != 0) {
- newTuner->randomMutate();
- }
- return newTuner;
-}
-
-int RandomTuner::subtuneIndex(SearchTuner *newTuner){
- for (uint i=0; i< explored.getSize(); i++){
- SearchTuner *tuner = explored.get(i)->getTuner();
- if(tuner->isSubTunerof(newTuner)){
- return i;
- }
- }
- return -1;
-}
#include "classlist.h"
#include "structs.h"
#include "multituner.h"
+#include "basictuner.h"
/**
* This is a Tuner which is being used for
*/
-class RandomTuner {
+class RandomTuner : public BasicTuner {
public:
RandomTuner(uint _budget, uint _timeout);
- ~RandomTuner();
- void addProblem(const char *filename);
- void addTuner(SearchTuner *tuner);
void tune();
- void printData();
- CMEMALLOC;
protected:
- long long evaluate(Problem *problem, TunerRecord *tuner);
- SearchTuner *mutateTuner(SearchTuner *oldTuner, uint k);
- void updateTimeout(Problem *problem, long long metric);
- bool randomMutation(SearchTuner *tuner);
- bool tunerExists(SearchTuner *tunerRec);
- /**
- * returns the index of the tuner which is subtune of
- * the newTuner
- * @param newTuner
- * @return
- */
- int subtuneIndex(SearchTuner *newTuner);
-
+ bool randomMutation(SearchTuner *tuner);
TunerRecord *tune(SearchTuner *tuner);
- Vector<TunerRecord *> allTuners;
- Vector<TunerRecord *> explored;
- Vector<Problem *> problems;
- Vector<TunerRecord *> tuners;
- uint budget;
- uint timeout;
- int execnum;
};
#endif
projects / satune.git / commitdiff