#include "subgraph.h"
#include "elementencoding.h"
-EncodingGraph::EncodingGraph(CSolver * _solver) :
+EncodingGraph::EncodingGraph(CSolver *_solver) :
solver(_solver) {
}
-int sortEncodingEdge(const void * p1, const void *p2) {
- const EncodingEdge * e1 = * (const EncodingEdge **) p1;
- const EncodingEdge * e2 = * (const EncodingEdge **) p2;
+int sortEncodingEdge(const void *p1, const void *p2) {
+ const EncodingEdge *e1 = *(const EncodingEdge **) p1;
+ const EncodingEdge *e2 = *(const EncodingEdge **) p2;
uint64_t v1 = e1->getValue();
uint64_t v2 = e2->getValue();
if (v1 < v2)
void EncodingGraph::buildGraph() {
ElementIterator it(solver);
- while(it.hasNext()) {
- Element * e = it.next();
- switch(e->type) {
+ while (it.hasNext()) {
+ Element *e = it.next();
+ switch (e->type) {
case ELEMSET:
case ELEMFUNCRETURN:
processElement(e);
}
void EncodingGraph::encode() {
- SetIteratorEncodingSubGraph * itesg=subgraphs.iterator();
- while(itesg->hasNext()) {
- EncodingSubGraph *sg=itesg->next();
+ SetIteratorEncodingSubGraph *itesg = subgraphs.iterator();
+ while (itesg->hasNext()) {
+ EncodingSubGraph *sg = itesg->next();
sg->encode();
}
delete itesg;
ElementIterator it(solver);
- while(it.hasNext()) {
- Element * e = it.next();
- switch(e->type) {
+ while (it.hasNext()) {
+ Element *e = it.next();
+ switch (e->type) {
case ELEMSET:
case ELEMFUNCRETURN: {
- ElementEncoding *encoding=getElementEncoding(e);
+ ElementEncoding *encoding = e->getElementEncoding();
if (encoding->getElementEncodingType() == ELEM_UNASSIGNED) {
- //Do assignment...
+ EncodingNode *n = getNode(e);
+ if (n == NULL)
+ continue;
+ ElementEncodingType encodetype = n->getEncoding();
+ encoding->setElementEncodingType(encodetype);
+ if (encodetype == UNARY || encodetype == ONEHOT) {
+ encoding->encodingArrayInitialization();
+ } else if (encodetype == BINARYINDEX) {
+ EncodingSubGraph *subgraph = graphMap.get(n);
+ if (subgraph == NULL)
+ continue;
+ uint encodingSize = subgraph->getEncodingMaxVal(n)+1;
+ uint paddedSize = encoding->getSizeEncodingArray(encodingSize);
+ model_print("encoding size=%u\n", encodingSize);
+ model_print("padded=%u\n", paddedSize);
+ encoding->allocInUseArrayElement(paddedSize);
+ encoding->allocEncodingArrayElement(paddedSize);
+ Set *s = e->getRange();
+ for (uint i = 0; i < s->getSize(); i++) {
+ model_print("index=%u\n", i);
+ uint64_t value = s->getElement(i);
+ uint encodingIndex = subgraph->getEncoding(n, value);
+ encoding->setInUseElement(encodingIndex);
+ encoding->encodingArray[encodingIndex] = value;
+ }
+ }
}
break;
}
default:
break;
}
+ encodeParent(e);
+ }
+}
+
+void EncodingGraph::encodeParent(Element *e) {
+ uint size = e->parents.getSize();
+ for (uint i = 0; i < size; i++) {
+ ASTNode *n = e->parents.get(i);
+ if (n->type == PREDICATEOP) {
+ BooleanPredicate *b = (BooleanPredicate *)n;
+ FunctionEncoding *fenc = b->getFunctionEncoding();
+ if (fenc->getFunctionEncodingType() != FUNC_UNASSIGNED)
+ continue;
+ Predicate *p = b->getPredicate();
+ if (p->type == OPERATORPRED) {
+ PredicateOperator *po = (PredicateOperator *)p;
+ ASSERT(b->inputs.getSize() == 2);
+ EncodingNode *left = createNode(b->inputs.get(0));
+ EncodingNode *right = createNode(b->inputs.get(1));
+ if (left == NULL || right == NULL)
+ return;
+ EncodingEdge *edge = getEdge(left, right, NULL);
+ if (edge != NULL && edge->getEncoding() == EDGE_MATCH) {
+ fenc->setFunctionEncodingType(CIRCUIT);
+ }
+ }
+ }
}
-
}
void EncodingGraph::mergeNodes(EncodingNode *first, EncodingNode *second) {
- EncodingSubGraph *graph1=graphMap.get(first);
- EncodingSubGraph *graph2=graphMap.get(second);
+ EncodingSubGraph *graph1 = graphMap.get(first);
+ EncodingSubGraph *graph2 = graphMap.get(second);
+ if (graph1 == NULL)
+ first->setEncoding(BINARYINDEX);
+ if (graph2 == NULL)
+ second->setEncoding(BINARYINDEX);
+
if (graph1 == NULL && graph2 == NULL) {
graph1 = new EncodingSubGraph();
subgraphs.add(graph1);
first = tmp;
}
if (graph1 != NULL && graph2 != NULL) {
- SetIteratorEncodingNode * nodeit=graph2->nodeIterator();
- while(nodeit->hasNext()) {
- EncodingNode *node=nodeit->next();
+ SetIteratorEncodingNode *nodeit = graph2->nodeIterator();
+ while (nodeit->hasNext()) {
+ EncodingNode *node = nodeit->next();
graph1->addNode(node);
graphMap.put(node, graph1);
}
}
void EncodingGraph::processElement(Element *e) {
- uint size=e->parents.getSize();
- for(uint i=0;i<size;i++) {
- ASTNode * n = e->parents.get(i);
- switch(n->type) {
+ uint size = e->parents.getSize();
+ for (uint i = 0; i < size; i++) {
+ ASTNode *n = e->parents.get(i);
+ switch (n->type) {
case PREDICATEOP:
processPredicate((BooleanPredicate *)n);
break;
}
void EncodingGraph::processFunction(ElementFunction *ef) {
- Function *f=ef->getFunction();
- if (f->type==OPERATORFUNC) {
- FunctionOperator *fo=(FunctionOperator*)f;
+ Function *f = ef->getFunction();
+ if (f->type == OPERATORFUNC) {
+ FunctionOperator *fo = (FunctionOperator *)f;
ASSERT(ef->inputs.getSize() == 2);
- EncodingNode *left=createNode(ef->inputs.get(0));
- EncodingNode *right=createNode(ef->inputs.get(1));
+ EncodingNode *left = createNode(ef->inputs.get(0));
+ EncodingNode *right = createNode(ef->inputs.get(1));
if (left == NULL && right == NULL)
return;
- EncodingNode *dst=createNode(ef);
- EncodingEdge *edge=getEdge(left, right, dst);
+ EncodingNode *dst = createNode(ef);
+ EncodingEdge *edge = createEdge(left, right, dst);
edge->numArithOps++;
}
}
void EncodingGraph::processPredicate(BooleanPredicate *b) {
- Predicate *p=b->getPredicate();
- if (p->type==OPERATORPRED) {
- PredicateOperator *po=(PredicateOperator *)p;
- ASSERT(b->inputs.getSize()==2);
- EncodingNode *left=createNode(b->inputs.get(0));
- EncodingNode *right=createNode(b->inputs.get(1));
+ Predicate *p = b->getPredicate();
+ if (p->type == OPERATORPRED) {
+ PredicateOperator *po = (PredicateOperator *)p;
+ ASSERT(b->inputs.getSize() == 2);
+ EncodingNode *left = createNode(b->inputs.get(0));
+ EncodingNode *right = createNode(b->inputs.get(1));
if (left == NULL || right == NULL)
return;
- EncodingEdge *edge=getEdge(left, right, NULL);
- CompOp op=po->getOp();
- switch(op) {
+ EncodingEdge *edge = createEdge(left, right, NULL);
+ CompOp op = po->getOp();
+ switch (op) {
case SATC_EQUALS:
edge->numEquals++;
break;
}
uint convertSize(uint cost) {
- cost = 1.2 * cost; // fudge factor
+ cost = 1.2 * cost;// fudge factor
return NEXTPOW2(cost);
}
void EncodingGraph::decideEdges() {
- uint size=edgeVector.getSize();
- for(uint i=0; i<size; i++) {
+ uint size = edgeVector.getSize();
+ for (uint i = 0; i < size; i++) {
EncodingEdge *ee = edgeVector.get(i);
EncodingNode *left = ee->left;
EncodingNode *right = ee->right;
-
+
if (ee->encoding != EDGE_UNASSIGNED ||
- left->encoding != BINARYINDEX ||
- right->encoding != BINARYINDEX)
+ !left->couldBeBinaryIndex() ||
+ !right->couldBeBinaryIndex())
continue;
-
+
uint64_t eeValue = ee->getValue();
if (eeValue == 0)
return;
EncodingSubGraph *leftGraph = graphMap.get(left);
EncodingSubGraph *rightGraph = graphMap.get(right);
- if (leftGraph == NULL && rightGraph !=NULL) {
- EncodingNode *tmp = left; left=right; right=tmp;
+ if (leftGraph == NULL && rightGraph != NULL) {
+ EncodingNode *tmp = left; left = right; right = tmp;
EncodingSubGraph *tmpsg = leftGraph; leftGraph = rightGraph; rightGraph = tmpsg;
}
- uint leftSize=0, rightSize=0, newSize=0;
- uint64_t totalCost=0;
+ uint leftSize = 0, rightSize = 0, newSize = 0;
+ uint64_t totalCost = 0;
if (leftGraph == NULL && rightGraph == NULL) {
- leftSize=convertSize(left->getSize());
- rightSize=convertSize(right->getSize());
- newSize=convertSize(left->s->getUnionSize(right->s));
- newSize=(leftSize > newSize) ? leftSize: newSize;
- newSize=(rightSize > newSize) ? rightSize: newSize;
+ leftSize = convertSize(left->getSize());
+ rightSize = convertSize(right->getSize());
+ newSize = convertSize(left->s->getUnionSize(right->s));
+ newSize = (leftSize > newSize) ? leftSize : newSize;
+ newSize = (rightSize > newSize) ? rightSize : newSize;
totalCost = (newSize - leftSize) * left->elements.getSize() +
- (newSize - rightSize) * right->elements.getSize();
+ (newSize - rightSize) * right->elements.getSize();
} else if (leftGraph != NULL && rightGraph == NULL) {
- leftSize=convertSize(leftGraph->encodingSize);
- rightSize=convertSize(right->getSize());
- newSize=convertSize(leftGraph->estimateNewSize(right));
- newSize=(leftSize > newSize) ? leftSize: newSize;
- newSize=(rightSize > newSize) ? rightSize: newSize;
+ leftSize = convertSize(leftGraph->encodingSize);
+ rightSize = convertSize(right->getSize());
+ newSize = convertSize(leftGraph->estimateNewSize(right));
+ newSize = (leftSize > newSize) ? leftSize : newSize;
+ newSize = (rightSize > newSize) ? rightSize : newSize;
totalCost = (newSize - leftSize) * leftGraph->numElements +
- (newSize - rightSize) * right->elements.getSize();
+ (newSize - rightSize) * right->elements.getSize();
} else {
//Neither are null
- leftSize=convertSize(leftGraph->encodingSize);
- rightSize=convertSize(rightGraph->encodingSize);
- newSize=convertSize(leftGraph->estimateNewSize(rightGraph));
- newSize=(leftSize > newSize) ? leftSize: newSize;
- newSize=(rightSize > newSize) ? rightSize: newSize;
+ leftSize = convertSize(leftGraph->encodingSize);
+ rightSize = convertSize(rightGraph->encodingSize);
+ newSize = convertSize(leftGraph->estimateNewSize(rightGraph));
+ newSize = (leftSize > newSize) ? leftSize : newSize;
+ newSize = (rightSize > newSize) ? rightSize : newSize;
totalCost = (newSize - leftSize) * leftGraph->numElements +
- (newSize - rightSize) * rightGraph->numElements;
+ (newSize - rightSize) * rightGraph->numElements;
}
double conversionfactor = 0.5;
if ((totalCost * conversionfactor) < eeValue) {
static TunableDesc EdgeEncodingDesc(EDGE_UNASSIGNED, EDGE_MATCH, EDGE_UNASSIGNED);
-EncodingEdge * EncodingGraph::getEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst) {
+EncodingEdge *EncodingGraph::getEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst) {
+ EncodingEdge e(left, right, dst);
+ EncodingEdge *result = edgeMap.get(&e);
+ return result;
+}
+
+EncodingEdge *EncodingGraph::createEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst) {
EncodingEdge e(left, right, dst);
EncodingEdge *result = edgeMap.get(&e);
if (result == NULL) {
- result=new EncodingEdge(left, right, dst);
- VarType v1=left->getType();
- VarType v2=right->getType();
+ result = new EncodingEdge(left, right, dst);
+ VarType v1 = left->getType();
+ VarType v2 = right->getType();
if (v1 > v2) {
- VarType tmp=v2;
- v2=v1;
- v1=tmp;
+ VarType tmp = v2;
+ v2 = v1;
+ v1 = tmp;
}
- if ((left != NULL && left->encoding==BINARYINDEX) &&
- (right != NULL) && right->encoding==BINARYINDEX) {
- EdgeEncodingType type=(EdgeEncodingType)solver->getTuner()->getVarTunable(v1, v2, EDGEENCODING, &EdgeEncodingDesc);
+ if ((left != NULL && left->couldBeBinaryIndex()) &&
+ (right != NULL) && right->couldBeBinaryIndex()) {
+ EdgeEncodingType type = (EdgeEncodingType)solver->getTuner()->getVarTunable(v1, v2, EDGEENCODING, &EdgeEncodingDesc);
result->setEncoding(type);
if (type == EDGE_MATCH) {
mergeNodes(left, right);
static TunableDesc NodeEncodingDesc(ELEM_UNASSIGNED, BINARYINDEX, ELEM_UNASSIGNED);
-EncodingNode * EncodingGraph::createNode(Element *e) {
+EncodingNode *EncodingGraph::createNode(Element *e) {
if (e->type == ELEMCONST)
return NULL;
Set *s = e->getRange();
if (n == NULL) {
n = new EncodingNode(s);
n->setEncoding((ElementEncodingType)solver->getTuner()->getVarTunable(n->getType(), NODEENCODING, &NodeEncodingDesc));
+
encodingMap.put(s, n);
}
n->addElement(e);
return n;
}
+EncodingNode *EncodingGraph::getNode(Element *e) {
+ if (e->type == ELEMCONST)
+ return NULL;
+ Set *s = e->getRange();
+ EncodingNode *n = encodingMap.get(s);
+ return n;
+}
+
void EncodingNode::addElement(Element *e) {
elements.add(e);
}
}
uint hashEncodingEdge(EncodingEdge *edge) {
- uintptr_t hash=(((uintptr_t) edge->left) >> 2) ^ (((uintptr_t)edge->right) >> 4) ^ (((uintptr_t)edge->dst) >> 6);
+ uintptr_t hash = (((uintptr_t) edge->left) >> 2) ^ (((uintptr_t)edge->right) >> 4) ^ (((uintptr_t)edge->dst) >> 6);
return (uint) hash;
}
projects / satune.git / blobdiff