#include "randomtuner.h"
#include "csolver.h"
#include "searchtuner.h"
-#include "multituner.h"
+#include "comptuner.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(uint _budget, uint _timeout) :
+ BasicTuner(_budget, _timeout) {
}
-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(){
+
}
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;
-}
projects / satune.git / blobdiff