//get an operator and execute it.
//the status should be updated into the query plan.
void QueryPlanTree::execute()
{
ThreadOp* resultOp=getNextOp();//---->get the first Op.
ThreadOp* previousOp=resultOp;
QueryPlanNode* curNode=(QueryPlanNode*)(nodeVec[curActiveNode]);//-->get the first node:>corresponding to first Op
while(resultOp!=NULL)
{
//first, we get the type, next, we init the op.
curNode=(QueryPlanNode*)(nodeVec[curActiveNode]);
curNode->initOp(resultOp->execMode);
//int timer=genTimer(0);
resultOp->execute();
//getTimer(timer);
//double t=getTimer(timer);
deschedule:
if(resultOp->execMode){
GPUBurdenDEC(AddGPUBurden_OP[resultOp->optType]);
}
else{
CPUBurdenDEC(AddCPUBurden_OP[resultOp->optType]);
}
curNode->PostExecution(resultOp->execMode);
previousOp=resultOp;
resultOp=getNextOp();
}
//store the result;
q_Rout=previousOp->Rout;
q_numResult=previousOp->numResult;
}
//get an operator and execute it.
//the status should be updated into the query plan.
void QueryPlanTree::execute(EXEC_MODE eM)
{
ThreadOp* resultOp=getNextOp(eM);
ThreadOp* previousOp=resultOp;
QueryPlanNode* curNode=(QueryPlanNode*)(nodeVec[curActiveNode]);
EXEC_MODE tempEM=eM;
while(resultOp!=NULL)
{
//first, we get the type, next, we init the op.
curNode=(QueryPlanNode*)(nodeVec[curActiveNode]);
//int timer=genTimer(curActiveNode);
//genTimer(timer);
curNode->initOp(eM);
//double t=genTimer(timer);
//printf("time spend in initOp is %lf\n",t);
resultOp->execute(eM);
curNode->PostExecution(eM);
previousOp=resultOp;
resultOp=getNextOp(eM);
}
//store the result;
q_Rout=previousOp->Rout;
q_numResult=previousOp->numResult;
}
inline void stepCPU()
{
// Fetch opcode
WORD op = getNextOp();
// Decipher opcode and call opcode function
switch(op & 0xF000) {
case 0x0000 :
{
switch(op & 0x000F) {
case 0x0000: op00E0(op); break;
case 0x000E: op00EE(op); break;
}
} break;
case 0x1000 : op1NNN(op); break;
case 0x2000 : op2NNN(op); break;
case 0x3000 : op3XNN(op); break;
case 0x4000 : op4XNN(op); break;
case 0x5000 : op5XY0(op); break;
case 0x6000 : op6XNN(op); break;
case 0x7000 : op7XNN(op); break;
case 0x8000 :
{
switch(op & 0x000F) {
case 0x0000: op8XY0(op); break;
case 0x0001: op8XY1(op); break;
case 0x0002: op8XY2(op); break;
case 0x0003: op8XY3(op); break;
case 0x0004: op8XY4(op); break;
case 0x0005: op8XY5(op); break;
case 0x0006: op8XY6(op); break;
case 0x0007: op8XY7(op); break;
case 0x000E: op8XYE(op); break;
}
} break;
case 0x9000 : op9XY0(op); break;
case 0xA000 : opANNN(op); break;
case 0xB000 : opBNNN(op); break;
case 0xC000 : opCXNN(op); break;
case 0xD000 : opDXYN(op); break;
case 0xE000 :
{
switch(op & 0x000F) {
case 0x000E : opEX9E(op); break;
case 0x0001 : opEXA1(op); break;
}
} break;
case 0xF000 :
{
switch(op & 0x000F) {
case 0x0007 : opFX07(op); break;
case 0x000A : opFX0A(op); break;
case 0x0005 :
{
switch(op & 0x00F0) {
case 0x0010 : opFX15(op); break;
case 0x0050 : opFX55(op); break;
case 0x0060 : opFX65(op); break;
}
} break;
case 0x0008 : opFX18(op); break;
case 0x000E : opFX1E(op); break;
case 0x0009 : opFX29(op); break;
case 0x0003 : opFX33(op); break;
}
} break;
default: break;
}
}
