src/Tuner/searchtuner.cc

   1 #include "searchtuner.h"
   2
   3 TunableSetting::TunableSetting(VarType _type, TunableParam _param) :
   4         hasVar(true),
   5         type(_type),
   6         param(_param) {
   7 }
   8
   9 TunableSetting::TunableSetting(TunableParam _param) :
  10         hasVar(false),
  11         type(0),
  12         param(_param) {
  13 }
  14
  15 void TunableSetting::setDecision(int _low, int _high, int _default, int _selection) {
  16         lowValue = _low;
  17         highValue = _high;
  18         defaultValue = _default;
  19         selectedValue = _selection;
  20 }
  21
  22 unsigned int tunableSettingHash(TunableSetting *setting) {
  23         return setting->hasVar ^ setting->type ^ setting->param;
  24 }
  25
  26 bool tunableSettingEquals(TunableSetting *setting1, TunableSetting *setting2) {
  27         return setting1->hasVar == setting2->hasVar &&
  28                 setting1->type == setting2->type &&
  29                 setting1->param == setting2->param;
  30 }
  31
  32 SearchTuner::SearchTuner() {
  33 }
  34
  35 SearchTuner::~SearchTuner() {
  36         HSIteratorTunableSetting *iterator=settings.iterator();
  37         while(iterator->hasNext()) {
  38                 TunableSetting *setting=iterator->next();
  39                 delete setting;
  40         }
  41         delete iterator;
  42 }
  43
  44 int SearchTuner::getTunable(TunableParam param, TunableDesc *descriptor) {
  45         TunableSetting setting(param);
  46         TunableSetting * result = usedSettings.get(&setting);
  47         if (result == NULL) {
  48                 result = settings.get(&setting);
  49                 if ( result == NULL) {
  50                         result=new TunableSetting(param);
  51                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, descriptor->defaultValue);
  52                         settings.add(result);
  53                 }
  54                 usedSettings.add(result);
  55         }
  56         return result->selectedValue;
  57 }
  58
  59 int SearchTuner::getVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor) {
  60         TunableSetting setting(vartype, param);
  61         TunableSetting * result = usedSettings.get(&setting);
  62         if (result == NULL) {
  63                 result = settings.get(&setting);
  64                 if ( result == NULL) {
  65                         result=new TunableSetting(vartype, param);
  66                         result->setDecision(descriptor->lowValue, descriptor->highValue, descriptor->defaultValue, descriptor->defaultValue);
  67                         settings.add(result);
  68                 }
  69                 usedSettings.add(result);
  70         }
  71         return result->selectedValue;
  72 }