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fixes ticket 6. Slight speed increase for queries, escpecially long distance ones.

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This commit is contained in:
Dennis Luxen 2011-01-14 17:21:19 +00:00
parent e32ba24b6a
commit 164c9333ef
1 changed files with 14 additions and 3 deletions
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17
DataStructures/SearchEngine.h
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@ -187,7 +187,7 @@ public:
pathNode = _forwardHeap->GetData( pathNode ).parent;
packedPath.push_front( pathNode );
}
// NodeID realStart = pathNode;
// NodeID realStart = pathNode;
packedPath.push_back( middle );
pathNode = middle;
@ -275,7 +275,7 @@ public:
}
inline void RegisterThread(const unsigned k, const unsigned v) {
nodeHelpDesk->RegisterThread(k,v);
nodeHelpDesk->RegisterThread(k,v);
}
private:
@ -294,13 +294,24 @@ private:
_forwardHeap->DeleteAll();
return;
}
//Stalling
for ( typename GraphT::EdgeIterator edge = _graph->BeginEdges( node ); edge < _graph->EndEdges(node); edge++ ) {
const NodeID to = _graph->GetTarget(edge);
const int edgeWeight = _graph->GetEdgeData(edge).distance;
const EdgeWeight edgeWeight = _graph->GetEdgeData(edge).distance;
assert( edgeWeight > 0 );
const int toDistance = distance + edgeWeight;
if(_forwardHeap->WasInserted( to )) {
if(!forwardDirection ? _graph->GetEdgeData(edge).forward : _graph->GetEdgeData(edge).backward) {
if(_forwardHeap->GetKey( to ) + edgeWeight < distance) {
// std::cout << "[stalled] node " << node << std::endl;
return;
}
}
}
if(forwardDirection ? _graph->GetEdgeData(edge).forward : _graph->GetEdgeData(edge).backward )
{
//New Node discovered -> Add to Heap + Node Info Storage