#include <string.h>
#include <iostream>
#include <fstream>
+#include <limits>
#define UNSETVALUE -1
-Problem::Problem(const char *_problem) : result(UNSETVALUE) {
+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);
}
void MultiTuner::addProblem(const char *filename) {
- problems.push(new Problem(filename));
+ Problem *p = new Problem(filename);
+ p->problemnumber = problems.getSize();
+ problems.push(p);
}
void MultiTuner::printData() {
}
}
+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();
+ model_print("Tuner %u\n", tuner->tunernumber);
+ 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));
+ }
+ model_print("----------------------------------\n\n\n");
+ }
+}
+
void MultiTuner::addTuner(SearchTuner *tuner) {
TunerRecord *t = new TunerRecord(tuner);
tuners.push(t);
allTuners.push(t);
}
+
+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)));
+ }
+ //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->result == UNSETVALUE && sat != IS_INDETER) {
+ problem->result = sat;
+ } else if (problem->result != sat && sat != IS_INDETER) {
+ model_print("******** Result has changed ********\n");
+ }
+
+ if (metric != -1) {
+ if (tuner->getTime(problem) == -1)
+ tuner->problems.push(problem);
+ tuner->setTime(problem, metric);
+ }
+
+ }
+
+}
+
long long MultiTuner::evaluate(Problem *problem, TunerRecord *tuner) {
char buffer[512];
{
if (myfile.is_open()) {
myfile << problem->getProblem() << endl;
+ myfile << problem->problemnumber << endl;
myfile.close();
}
}
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(), timeout, execnum, execnum, execnum);
+ 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;
myfile >> sat;
myfile.close();
}
-
+ updateTimeout(problem, metric);
snprintf(buffer, sizeof(buffer), "tuner%uused", execnum);
tuner->getTuner()->addUsed(buffer);
}
} 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() {
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->tunernumber = allTuners.getSize();
+ model_print("Mutated tuner %u to generate tuner %u\n", tunerV->get(i)->tunernumber, tmp->tunernumber);
allTuners.push(tmp);
tunerV->push(tmp);
}
long long metric = tuner->getTime(problem);
if (metric == -1) {
metric = evaluate(problem, tuner);
+ if (tuner->getTime(problem) == -1) {
+ tuner->problems.push(problem);
+ }
+ LOG("%u.Problem<%s>\tTuner<%p, %d>\tMetric<%lld>\n", i, problem->problem,tuner, tuner->tunernumber, metric);
+ LOG("*****************************\n");
if (metric != -1)
tuner->setTime(problem, metric);
}
if (metric < places.get(k)->getTime(problem))
break;
}
+ LOG("place[%u]=Tuner<%p,%d>\n", k, tuner, tuner->tunernumber);
places.insertAt(k, tuner);
}
}
int points = 9;
for (uint k = 0; k < places.getSize() && points; k++) {
TunerRecord *tuner = places.get(k);
- points = points / 3;
int currScore = 0;
if (scores.contains(tuner))
currScore = scores.get(tuner);
currScore += points;
+ LOG("Problem<%s>\tTuner<%p,%d>\tmetric<%d>\n", problem->problem, tuner, tuner->tunernumber, currScore);
+ LOG("**************************\n");
scores.put(tuner, currScore);
+ points = points / 3;
}
}
Vector<TunerRecord *> ranking;
int tscore = 0;
if (scores.contains(t))
tscore = scores.get(t);
- if (score < tscore)
+ if (score > tscore)
break;
}
+ LOG("ranking[%u]=tuner<%p,%u>(Score=%d)\n", j, tuner, tuner->tunernumber, score);
+ LOG("************************\n");
ranking.insertAt(j, tuner);
}
+ LOG("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);
+ LOG("Removing tuner %u\n", tuner->tunernumber);
for (uint j = 0; j < tunerV->getSize(); j++) {
if (tunerV->get(j) == tuner)
tunerV->removeAt(j);
projects / satune.git / blobdiff