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