--- /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
projects / satune.git / blobdiff