src/Tuner/searchtuner.cc

   1 #include "searchtuner.h"
   2 #include <iostream>
   3 #include <fstream>
   4 using namespace std;
   5
   6 TunableSetting::TunableSetting(VarType _type, TunableParam _param) :
   7         hasVar(true),
   8         type1(_type),
   9         type2(0),
  10         param(_param) {
  11 }
  12
  13 TunableSetting::TunableSetting(VarType _type1, VarType _type2, TunableParam _param) :
  14         hasVar(true),
  15         type1(_type1),
  16         type2(_type2),
  17         param(_param) {
  18 }
  19
  20 TunableSetting::TunableSetting(TunableParam _param) :
  21         hasVar(false),
  22         type1(0),
  23         type2(0),
  24         param(_param) {
  25 }
  26
  27 TunableSetting::TunableSetting(TunableSetting *ts) :
  28         hasVar(ts->hasVar),
  29         type1(ts->type1),
  30         type2(ts->type2),
  31         param(ts->param),
  32         lowValue(ts->lowValue),
  33         highValue(ts->highValue),
  34         defaultValue(ts->defaultValue),
  35         selectedValue(ts->selectedValue)
  36 {
  37 }
  38
  39 void TunableSetting::setDecision(int _low, int _high, int _default, int _selection) {
  40         lowValue = _low;
  41         highValue = _high;
  42         defaultValue = _default;
  43         selectedValue = _selection;
  44 }
  45
  46 void TunableSetting::print() {
  47         model_print("Param %s = %u \t range=[%u,%u]", tunableParameterToString( (Tunables)param), selectedValue, lowValue, highValue);
  48         if (hasVar) {
  49                 model_print("\tVarType1 %" PRIu64 ", ", type1);
  50                 model_print("VarType2 %" PRIu64 ", ", type2);
  51         }
  52         model_print("\n");
  53 }
  54
  55
  56 ostream &operator<<(ostream &os, const TunableSetting &ts)
  57 {
  58         os << ts.hasVar << " " << ts.type1 << " " << ts.type2 << " " << ts.param << " " << ts.lowValue << " "
  59                  << ts.highValue << " " << ts.defaultValue << " " << ts.selectedValue;
  60         return os;
  61 }
  62
  63
  64 SearchTuner::SearchTuner() {
  65 }
  66
  67 SearchTuner::SearchTuner(const char *filename, bool addused) {
  68         ifstream myfile;
  69         myfile.open (filename, ios::in);
  70         if (myfile.is_open()) {
  71                 bool hasVar;
  72                 VarType type1;
  73                 VarType type2;
  74                 TunableParam param;
  75                 int lowValue;
  76                 int highValue;
  77                 int defaultValue;
  78                 int selectedValue;
  79                 while (myfile >> hasVar >> type1 >> type2 >> param >> lowValue >> highValue >> defaultValue >> selectedValue) {
  80                         TunableSetting *setting;
  81
  82                         if (hasVar) {
  83                                 setting = new TunableSetting(type1, type2, param);
  84                         } else {
  85                                 setting = new TunableSetting(param);
  86                         }
  87                         setting->setDecision(lowValue, highValue, defaultValue, selectedValue);
  88                         settings.add(setting);
  89                         if(addused){
  90                                 usedSettings.add(setting);
  91                         }
  92                 }
  93                 myfile.close();
  94         } else {
  95                 model_print("Warning: Tuner %s couldn't be loaded ... Using default tuner instead ....\n", filename);
  96         }
  97 }
  98
  99 bool SearchTuner::equalUsed(SearchTuner* tuner){
 100         if(tuner->usedSettings.getSize() != usedSettings.getSize()){
 101                 return false;
 102         }
 103         bool result = true;
 104         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 105         while(iterator->hasNext()){
 106                 TunableSetting *setting = iterator->next();
 107                 if(!tuner->usedSettings.contains(setting)){
 108                         result = false;
 109                         break;
 110                 }else{
 111                         TunableSetting *tunerSetting = tuner->usedSettings.get(setting);
 112                         if(tunerSetting->selectedValue != setting->selectedValue){
 113                                 result = false;
 114                                 break;
 115                         }
 116                 }
 117         }
 118         delete iterator;
 119         return result;
 120 }
 121
 122 void SearchTuner::addUsed(const char *filename) {
 123         ifstream myfile;
 124         myfile.open (filename, ios::in);
 125         if (myfile.is_open()) {
 126                 bool hasVar;
 127                 VarType type1;
 128                 VarType type2;
 129                 TunableParam param;
 130                 int lowValue;
 131                 int highValue;
 132                 int defaultValue;
 133                 int selectedValue;
 134                 while (myfile >> hasVar >> type1 >> type2 >> param >> lowValue >> highValue >> defaultValue >> selectedValue) {
 135                         TunableSetting *setting;
 136
 137                         if (hasVar) {
 138                                 setting = new TunableSetting(type1, type2, param);
 139                         } else {
 140                                 setting = new TunableSetting(param);
 141                         }
 142                         setting->setDecision(lowValue, highValue, defaultValue, selectedValue);
 143                         if (!settings.contains(setting)) {
 144                                 settings.add(setting);
 145                                 usedSettings.add(setting);
 146                         } else {
 147                                 TunableSetting *tmp = settings.get(setting);
 148                                 settings.remove(tmp);
 149                                 usedSettings.remove(tmp);
 150                                 delete tmp;
 151                                 settings.add(setting);
 152                                 usedSettings.add(setting);
 153                         }
 154                 }
 155                 myfile.close();
 156         }
 157 }
 158
 159 bool SearchTuner::isSubTunerof(SearchTuner *newTuner){
 160         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 161         while (iterator->hasNext()) {
 162                 TunableSetting *setting = iterator->next();
 163                 if(!newTuner->settings.contains(setting)){
 164                         return false;
 165                 } else{
 166                         TunableSetting *newSetting = newTuner->settings.get(setting);
 167                         if(newSetting->selectedValue != setting->selectedValue){
 168                                 return false;
 169                         }
 170                 }
 171         }
 172         delete iterator;
 173         return true;
 174 }
 175
 176 SearchTuner *SearchTuner::copyUsed() {
 177         SearchTuner *tuner = new SearchTuner();
 178         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 179         while (iterator->hasNext()) {
 180                 TunableSetting *setting = iterator->next();
 181                 TunableSetting *copy = new TunableSetting(setting);
 182                 tuner->settings.add(copy);
 183         }
 184         delete iterator;
 185         return tuner;
 186 }
 187
 188 SearchTuner::~SearchTuner() {
 189         SetIteratorTunableSetting *iterator = settings.iterator();
 190         while (iterator->hasNext()) {
 191                 TunableSetting *setting = iterator->next();
 192                 delete setting;
 193         }
 194         delete iterator;
 195 }
 196
 197 void SearchTuner::setTunable(TunableParam param, TunableDesc *descriptor, uint value) {
 198         TunableSetting *result = new TunableSetting(param);
 199         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 200         settings.add(result);
 201         usedSettings.add(result);
 202 }
 203
 204 void SearchTuner::setVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor, uint value) {
 205         setVarTunable(vartype, 0, param, descriptor, value);
 206 }
 207
 208 void SearchTuner::setVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor, uint value) {
 209         TunableSetting *result = new TunableSetting(vartype1, vartype2, param);
 210         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 211         settings.add(result);
 212         usedSettings.add(result);
 213 }
 214
 215 int SearchTuner::getTunable(TunableParam param, TunableDesc *descriptor) {
 216         TunableSetting setting(param);
 217         TunableSetting *result = usedSettings.get(&setting);
 218         if (result == NULL) {
 219                 result = settings.get(&setting);
 220                 if ( result == NULL) {
 221                         result = new TunableSetting(param);
 222                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 223                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 224                         settings.add(result);
 225                 }
 226                 usedSettings.add(result);
 227         }
 228         return result->selectedValue;
 229 }
 230
 231 int SearchTuner::getVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor) {
 232         return getVarTunable(vartype, 0, param, descriptor);
 233 }
 234
 235 int SearchTuner::getVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor) {
 236         TunableSetting setting(vartype1, vartype2, param);
 237         TunableSetting *result = usedSettings.get(&setting);
 238         if (result == NULL) {
 239                 result = settings.get(&setting);
 240                 if ( result == NULL) {
 241                         result = new
 242                                                          TunableSetting(vartype1, vartype2, param);
 243                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 244                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 245                         settings.add(result);
 246                 }
 247                 usedSettings.add(result);
 248         }
 249         return result->selectedValue;
 250 }
 251
 252 void SearchTuner::randomMutate() {
 253         TunableSetting *randomSetting = settings.getRandomElement();
 254         int range = randomSetting->highValue - randomSetting->lowValue;
 255         int randomchoice = (random() % range) + randomSetting->lowValue;
 256         if (randomchoice < randomSetting->selectedValue)
 257                 randomSetting->selectedValue = randomchoice;
 258         else
 259                 randomSetting->selectedValue = randomchoice + 1;
 260         model_print("&&&&&&&&Mutating&&&&&&&\n");
 261         randomSetting->print();
 262         model_print("&&&&&&&&&&&&&&&&&&&&&&&\n");
 263 }
 264
 265 void SearchTuner::print() {
 266         SetIteratorTunableSetting *iterator = settings.iterator();
 267         while (iterator->hasNext()) {
 268                 TunableSetting *setting = iterator->next();
 269                 setting->print();
 270         }
 271         delete iterator;
 272
 273 }
 274
 275 void SearchTuner::serialize(const char *filename) {
 276         ofstream myfile;
 277         myfile.open (filename, ios::out | ios::trunc);
 278         SetIteratorTunableSetting *iterator = settings.iterator();
 279         while (iterator->hasNext()) {
 280                 TunableSetting *setting = iterator->next();
 281                 myfile << *setting << endl;
 282         }
 283         myfile.close();
 284         delete iterator;
 285 }
 286
 287 void SearchTuner::serializeUsed(const char *filename) {
 288         ofstream myfile;
 289         myfile.open (filename, ios::out | ios::trunc);
 290         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 291         while (iterator->hasNext()) {
 292                 TunableSetting *setting = iterator->next();
 293                 myfile << *setting << endl;
 294         }
 295         myfile.close();
 296         delete iterator;
 297 }
 298
 299 void SearchTuner::printUsed() {
 300         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 301         while (iterator->hasNext()) {
 302                 TunableSetting *setting = iterator->next();
 303                 setting->print();
 304         }
 305         delete iterator;
 306 }