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) {
  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                         usedSettings.add(setting);
  90                 }
  91                 myfile.close();
  92         } else {
  93                 model_print("Warning: Tuner %s couldn't be loaded ... Using default tuner instead ....\n", filename);
  94         }
  95 }
  96
  97 bool SearchTuner::equalUsed(SearchTuner* tuner){
  98         if(tuner->usedSettings.getSize() != usedSettings.getSize()){
  99                 return false;
 100         }
 101         bool result = true;
 102         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 103         while(iterator->hasNext()){
 104                 TunableSetting *setting = iterator->next();
 105                 if(!tuner->usedSettings.contains(setting)){
 106                         result = false;
 107                         break;
 108                 }else{
 109                         TunableSetting *tunerSetting = tuner->usedSettings.get(setting);
 110                         if(tunerSetting->selectedValue != setting->selectedValue){
 111                                 result = false;
 112                                 break;
 113                         }
 114                 }
 115         }
 116         delete iterator;
 117         return result;
 118 }
 119
 120 void SearchTuner::addUsed(const char *filename) {
 121         ifstream myfile;
 122         myfile.open (filename, ios::in);
 123         if (myfile.is_open()) {
 124                 bool hasVar;
 125                 VarType type1;
 126                 VarType type2;
 127                 TunableParam param;
 128                 int lowValue;
 129                 int highValue;
 130                 int defaultValue;
 131                 int selectedValue;
 132                 while (myfile >> hasVar >> type1 >> type2 >> param >> lowValue >> highValue >> defaultValue >> selectedValue) {
 133                         TunableSetting *setting;
 134
 135                         if (hasVar) {
 136                                 setting = new TunableSetting(type1, type2, param);
 137                         } else {
 138                                 setting = new TunableSetting(param);
 139                         }
 140                         setting->setDecision(lowValue, highValue, defaultValue, selectedValue);
 141                         if (!settings.contains(setting)) {
 142                                 settings.add(setting);
 143                                 usedSettings.add(setting);
 144                         } else {
 145                                 TunableSetting *tmp = settings.get(setting);
 146                                 settings.remove(tmp);
 147                                 usedSettings.remove(tmp);
 148                                 delete tmp;
 149                                 settings.add(setting);
 150                                 usedSettings.add(setting);
 151                         }
 152                 }
 153                 myfile.close();
 154         }
 155 }
 156
 157 bool SearchTuner::isSubTunerof(SearchTuner *newTuner){
 158         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 159         while (iterator->hasNext()) {
 160                 TunableSetting *setting = iterator->next();
 161                 if(!newTuner->settings.contains(setting)){
 162                         return false;
 163                 } else{
 164                         TunableSetting *newSetting = newTuner->settings.get(setting);
 165                         if(newSetting->selectedValue != setting->selectedValue){
 166                                 return false;
 167                         }
 168                 }
 169         }
 170         delete iterator;
 171         return true;
 172 }
 173
 174 SearchTuner *SearchTuner::copyUsed() {
 175         SearchTuner *tuner = new SearchTuner();
 176         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 177         while (iterator->hasNext()) {
 178                 TunableSetting *setting = iterator->next();
 179                 TunableSetting *copy = new TunableSetting(setting);
 180                 tuner->settings.add(copy);
 181         }
 182         delete iterator;
 183         return tuner;
 184 }
 185
 186 SearchTuner::~SearchTuner() {
 187         SetIteratorTunableSetting *iterator = settings.iterator();
 188         while (iterator->hasNext()) {
 189                 TunableSetting *setting = iterator->next();
 190                 delete setting;
 191         }
 192         delete iterator;
 193 }
 194
 195 void SearchTuner::setTunable(TunableParam param, TunableDesc *descriptor, uint value) {
 196         TunableSetting *result = new TunableSetting(param);
 197         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 198         settings.add(result);
 199         usedSettings.add(result);
 200 }
 201
 202 void SearchTuner::setVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor, uint value) {
 203         setVarTunable(vartype, 0, param, descriptor, value);
 204 }
 205
 206 void SearchTuner::setVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor, uint value) {
 207         TunableSetting *result = new TunableSetting(vartype1, vartype2, param);
 208         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 209         settings.add(result);
 210         usedSettings.add(result);
 211 }
 212
 213 int SearchTuner::getTunable(TunableParam param, TunableDesc *descriptor) {
 214         TunableSetting setting(param);
 215         TunableSetting *result = usedSettings.get(&setting);
 216         if (result == NULL) {
 217                 result = settings.get(&setting);
 218                 if ( result == NULL) {
 219                         result = new TunableSetting(param);
 220                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 221                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 222                         settings.add(result);
 223                 }
 224                 usedSettings.add(result);
 225         }
 226         return result->selectedValue;
 227 }
 228
 229 int SearchTuner::getVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor) {
 230         return getVarTunable(vartype, 0, param, descriptor);
 231 }
 232
 233 int SearchTuner::getVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor) {
 234         TunableSetting setting(vartype1, vartype2, param);
 235         TunableSetting *result = usedSettings.get(&setting);
 236         if (result == NULL) {
 237                 result = settings.get(&setting);
 238                 if ( result == NULL) {
 239                         result = new
 240                                                          TunableSetting(vartype1, vartype2, param);
 241                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 242                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 243                         settings.add(result);
 244                 }
 245                 usedSettings.add(result);
 246         }
 247         return result->selectedValue;
 248 }
 249
 250 void SearchTuner::randomMutate() {
 251         TunableSetting *randomSetting = settings.getRandomElement();
 252         int range = randomSetting->highValue - randomSetting->lowValue;
 253         int randomchoice = (random() % range) + randomSetting->lowValue;
 254         if (randomchoice < randomSetting->selectedValue)
 255                 randomSetting->selectedValue = randomchoice;
 256         else
 257                 randomSetting->selectedValue = randomchoice + 1;
 258         model_print("&&&&&&&&Mutating&&&&&&&\n");
 259         randomSetting->print();
 260         model_print("&&&&&&&&&&&&&&&&&&&&&&&\n");
 261 }
 262
 263 void SearchTuner::print() {
 264         SetIteratorTunableSetting *iterator = settings.iterator();
 265         while (iterator->hasNext()) {
 266                 TunableSetting *setting = iterator->next();
 267                 setting->print();
 268         }
 269         delete iterator;
 270
 271 }
 272
 273 void SearchTuner::serialize(const char *filename) {
 274         ofstream myfile;
 275         myfile.open (filename, ios::out | ios::trunc);
 276         SetIteratorTunableSetting *iterator = settings.iterator();
 277         while (iterator->hasNext()) {
 278                 TunableSetting *setting = iterator->next();
 279                 myfile << *setting << endl;
 280         }
 281         myfile.close();
 282         delete iterator;
 283 }
 284
 285 void SearchTuner::serializeUsed(const char *filename) {
 286         ofstream myfile;
 287         myfile.open (filename, ios::out | ios::trunc);
 288         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 289         while (iterator->hasNext()) {
 290                 TunableSetting *setting = iterator->next();
 291                 myfile << *setting << endl;
 292         }
 293         myfile.close();
 294         delete iterator;
 295 }
 296
 297 void SearchTuner::printUsed() {
 298         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 299         while (iterator->hasNext()) {
 300                 TunableSetting *setting = iterator->next();
 301                 setting->print();
 302         }
 303         delete iterator;
 304 }