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 unsigned int tunableSettingHash(TunableSetting *setting) {
  56         return setting->hasVar ^ setting->type1 ^ setting->type2 ^ setting->param;
  57 }
  58
  59 bool tunableSettingEquals(TunableSetting *setting1, TunableSetting *setting2) {
  60         return setting1->hasVar == setting2->hasVar &&
  61                                  setting1->type1 == setting2->type1 &&
  62                                  setting1->type2 == setting2->type2 &&
  63                                  setting1->param == setting2->param;
  64 }
  65
  66 ostream &operator<<(ostream &os, const TunableSetting &ts)
  67 {
  68         os << ts.hasVar << " " << ts.type1 << " " << ts.type2 << " " << ts.param << " " << ts.lowValue << " "
  69                  << ts.highValue << " " << ts.defaultValue << " " << ts.selectedValue;
  70         return os;
  71 }
  72
  73
  74 SearchTuner::SearchTuner() {
  75 }
  76
  77 SearchTuner::SearchTuner(const char *filename) {
  78         ifstream myfile;
  79         myfile.open (filename, ios::in);
  80         if (myfile.is_open()) {
  81                 bool hasVar;
  82                 VarType type1;
  83                 VarType type2;
  84                 TunableParam param;
  85                 int lowValue;
  86                 int highValue;
  87                 int defaultValue;
  88                 int selectedValue;
  89                 while (myfile >> hasVar >> type1 >> type2 >> param >> lowValue >> highValue >> defaultValue >> selectedValue) {
  90                         TunableSetting *setting;
  91
  92                         if (hasVar) {
  93                                 setting = new TunableSetting(type1, type2, param);
  94                         } else {
  95                                 setting = new TunableSetting(param);
  96                         }
  97                         setting->setDecision(lowValue, highValue, defaultValue, selectedValue);
  98                         settings.add(setting);
  99                         usedSettings.add(setting);
 100                 }
 101                 myfile.close();
 102         }
 103 }
 104
 105 void SearchTuner::addUsed(const char *filename) {
 106         ifstream myfile;
 107         myfile.open (filename, ios::in);
 108         if (myfile.is_open()) {
 109                 bool hasVar;
 110                 VarType type1;
 111                 VarType type2;
 112                 TunableParam param;
 113                 int lowValue;
 114                 int highValue;
 115                 int defaultValue;
 116                 int selectedValue;
 117                 while (myfile >> hasVar >> type1 >> type2 >> param >> lowValue >> highValue >> defaultValue >> selectedValue) {
 118                         TunableSetting *setting;
 119
 120                         if (hasVar) {
 121                                 setting = new TunableSetting(type1, type2, param);
 122                         } else {
 123                                 setting = new TunableSetting(param);
 124                         }
 125                         setting->setDecision(lowValue, highValue, defaultValue, selectedValue);
 126                         if (!settings.contains(setting)) {
 127                                 settings.add(setting);
 128                                 usedSettings.add(setting);
 129                         } else {
 130                                 TunableSetting *tmp = settings.get(setting);
 131                                 settings.remove(tmp);
 132                                 usedSettings.remove(tmp);
 133                                 delete tmp;
 134                                 settings.add(setting);
 135                                 usedSettings.add(setting);
 136                         }
 137                 }
 138                 myfile.close();
 139         }
 140 }
 141
 142 SearchTuner *SearchTuner::copyUsed() {
 143         SearchTuner *tuner = new SearchTuner();
 144         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 145         while (iterator->hasNext()) {
 146                 TunableSetting *setting = iterator->next();
 147                 TunableSetting *copy = new TunableSetting(setting);
 148                 tuner->settings.add(copy);
 149         }
 150         delete iterator;
 151         return tuner;
 152 }
 153
 154 SearchTuner::~SearchTuner() {
 155         SetIteratorTunableSetting *iterator = settings.iterator();
 156         while (iterator->hasNext()) {
 157                 TunableSetting *setting = iterator->next();
 158                 delete setting;
 159         }
 160         delete iterator;
 161 }
 162
 163 void SearchTuner::setTunable(TunableParam param, TunableDesc *descriptor, uint value) {
 164         TunableSetting *result = new TunableSetting(param);
 165         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 166         settings.add(result);
 167         usedSettings.add(result);
 168 }
 169
 170 void SearchTuner::setVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor, uint value) {
 171         setVarTunable(vartype, 0, param, descriptor, value);
 172 }
 173
 174 void SearchTuner::setVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor, uint value) {
 175         TunableSetting *result = new TunableSetting(vartype1, vartype2, param);
 176         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 177         settings.add(result);
 178         usedSettings.add(result);
 179 }
 180
 181 int SearchTuner::getTunable(TunableParam param, TunableDesc *descriptor) {
 182         TunableSetting setting(param);
 183         TunableSetting *result = usedSettings.get(&setting);
 184         if (result == NULL) {
 185                 result = settings.get(&setting);
 186                 if ( result == NULL) {
 187                         result = new TunableSetting(param);
 188                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 189                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 190                         settings.add(result);
 191                 }
 192                 usedSettings.add(result);
 193         }
 194         return result->selectedValue;
 195 }
 196
 197 int SearchTuner::getVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor) {
 198         return getVarTunable(vartype, 0, param, descriptor);
 199 }
 200
 201 int SearchTuner::getVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor) {
 202         TunableSetting setting(vartype1, vartype2, param);
 203         TunableSetting *result = usedSettings.get(&setting);
 204         if (result == NULL) {
 205                 result = settings.get(&setting);
 206                 if ( result == NULL) {
 207                         result = new
 208                                                          TunableSetting(vartype1, vartype2, param);
 209                         uint value = descriptor->lowValue + (random() % (1 + descriptor->highValue - descriptor->lowValue));
 210                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, value);
 211                         settings.add(result);
 212                 }
 213                 usedSettings.add(result);
 214         }
 215         return result->selectedValue;
 216 }
 217
 218 void SearchTuner::randomMutate() {
 219         TunableSetting *randomSetting = settings.getRandomElement();
 220         int range = randomSetting->highValue - randomSetting->lowValue;
 221         int randomchoice = (random() % range) + randomSetting->lowValue;
 222         if (randomchoice < randomSetting->selectedValue)
 223                 randomSetting->selectedValue = randomchoice;
 224         else
 225                 randomSetting->selectedValue = randomchoice + 1;
 226         model_print("&&&&&&&&Mutating&&&&&&&\n");
 227         randomSetting->print();
 228         model_print("&&&&&&&&&&&&&&&&&&&&&&&\n");
 229 }
 230
 231 void SearchTuner::print() {
 232         SetIteratorTunableSetting *iterator = settings.iterator();
 233         while (iterator->hasNext()) {
 234                 TunableSetting *setting = iterator->next();
 235                 setting->print();
 236         }
 237         delete iterator;
 238
 239 }
 240
 241 void SearchTuner::serialize(const char *filename) {
 242         ofstream myfile;
 243         myfile.open (filename, ios::out | ios::trunc);
 244         SetIteratorTunableSetting *iterator = settings.iterator();
 245         while (iterator->hasNext()) {
 246                 TunableSetting *setting = iterator->next();
 247                 myfile << *setting << endl;
 248         }
 249         myfile.close();
 250         delete iterator;
 251 }
 252
 253 void SearchTuner::serializeUsed(const char *filename) {
 254         ofstream myfile;
 255         myfile.open (filename, ios::out | ios::trunc);
 256         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 257         while (iterator->hasNext()) {
 258                 TunableSetting *setting = iterator->next();
 259                 myfile << *setting << endl;
 260         }
 261         myfile.close();
 262         delete iterator;
 263 }
 264
 265 void SearchTuner::printUsed() {
 266         SetIteratorTunableSetting *iterator = usedSettings.iterator();
 267         while (iterator->hasNext()) {
 268                 TunableSetting *setting = iterator->next();
 269                 setting->print();
 270         }
 271         delete iterator;
 272 }