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Experiments with deque to see if it's more allocation friendly

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This commit is contained in:
DennisOSRM 2012-04-25 17:12:46 +02:00
parent 41eb07e35b
commit d4536ba242
4 changed files with 14 additions and 11 deletions
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7
Contractor/EdgeBasedGraphFactory.cpp
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@ -128,7 +128,7 @@ EdgeBasedGraphFactory::EdgeBasedGraphFactory(int nodes, std::vector<NodeBasedEdg
INFO("Converted " << inputEdges.size() << " node-based edges into " << _nodeBasedGraph->GetNumberOfEdges() << " edge-based nodes.");
}
void EdgeBasedGraphFactory::GetEdgeBasedEdges( std::vector< EdgeBasedEdge >& outputEdgeList ) {
void EdgeBasedGraphFactory::GetEdgeBasedEdges( std::deque< EdgeBasedEdge >& outputEdgeList ) {
GUARANTEE(0 == outputEdgeList.size(), "Vector passed to EdgeBasedGraphFactory::GetEdgeBasedEdges(..) is not empty");
GUARANTEE(0 != edgeBasedEdges.size(), "No edges in edge based graph");
@ -195,7 +195,6 @@ void EdgeBasedGraphFactory::InsertEdgeBasedNode(
}
void EdgeBasedGraphFactory::Run() {
INFO("Generating edge based representation of input data");
// edgeBasedNodes.reserve(_nodeBasedGraph->GetNumberOfEdges());
Percent p(_nodeBasedGraph->GetNumberOfNodes());
int numberOfSkippedTurns(0);
@ -253,8 +252,8 @@ void EdgeBasedGraphFactory::Run() {
//distance += heightPenalty;
//distance += ComputeTurnPenalty(u, v, w);
assert(edgeData1.edgeBasedNodeID != edgeData2.edgeBasedNodeID);
if(edgeBasedEdges.size() == edgeBasedEdges.capacity()-3)
edgeBasedEdges.reserve(edgeBasedEdges.size()*1.1);
// if(edgeBasedEdges.size() == edgeBasedEdges.capacity()-3)
// edgeBasedEdges.reserve(edgeBasedEdges.size()*1.1);
if(originalEdgeData.size() == originalEdgeData.capacity()-3)
originalEdgeData.reserve(originalEdgeData.size()*1.1);
OriginalEdgeData oed(v,edgeData2.nameID, turnInstruction);

5
Contractor/EdgeBasedGraphFactory.h
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@ -29,6 +29,7 @@
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/ini_parser.hpp>
#include <deque>
#include <vector>
#include <cstdlib>
@ -103,7 +104,7 @@ private:
RestrictionMap _restrictionMap;
std::vector<EdgeBasedEdge> edgeBasedEdges;
std::deque<EdgeBasedEdge> edgeBasedEdges;
std::vector<EdgeBasedNode> edgeBasedNodes;
std::vector<OriginalEdgeData> originalEdgeData;
std::vector<NodeInfo> inputNodeInfoList;
@ -127,7 +128,7 @@ public:
explicit EdgeBasedGraphFactory(int nodes, std::vector<InputEdgeT> & inputEdges, std::vector<NodeID> & _bollardNodes, std::vector<NodeID> & trafficLights, std::vector<_Restriction> & inputRestrictions, std::vector<NodeInfo> & nI, boost::property_tree::ptree speedProfile, std::string & srtm);
void Run();
void GetEdgeBasedEdges( std::vector< EdgeBasedEdge >& edges );
void GetEdgeBasedEdges( std::deque< EdgeBasedEdge >& edges );
void GetEdgeBasedNodes( std::vector< EdgeBasedNode> & nodes);
void GetOriginalEdgeData( std::vector< OriginalEdgeData> & originalEdgeData);
short AnalyzeTurn(const NodeID u, const NodeID v, const NodeID w) const;

4
Util/GraphLoader.h
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@ -64,6 +64,10 @@ NodeID readBinaryOSRMGraphFromStream(std::istream &in, std::vector<EdgeT>& edgeL
trafficLightNodes.push_back(i);
}
//tighten vector sizes
std::vector<NodeID>(bollardNodes).swap(bollardNodes);
std::vector<NodeID>(trafficLightNodes).swap(trafficLightNodes);
in.read((char*)&m, sizeof(unsigned));
DEBUG(" and " << m << " edges ");
for(unsigned i = 0; i < inputRestrictions.size(); ++i) {

9
createHierarchy.cpp
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@ -93,7 +93,6 @@ int main (int argc, char *argv[]) {
inputRestrictions.resize(usableRestrictionsCounter);
restrictionsInstream.read((char *)&(inputRestrictions[0]), usableRestrictionsCounter*sizeof(_Restriction));
restrictionsInstream.close();
INFO("restrictions size: " << inputRestrictions.size() << ", capacity: " << inputRestrictions.capacity());
std::ifstream in;
in.open (argv[1], std::ifstream::in | std::ifstream::binary);
@ -110,9 +109,8 @@ int main (int argc, char *argv[]) {
std::vector<ImportEdge> edgeList;
NodeID nodeBasedNodeNumber = readBinaryOSRMGraphFromStream(in, edgeList, bollardNodes, trafficLightNodes, &internalToExternalNodeMapping, inputRestrictions);
INFO("bollardNodes size: " << bollardNodes.size() << ", bollardNodes.capacity: " << bollardNodes.capacity());
in.close();
INFO("Loaded " << inputRestrictions.size() << " restrictions, " << bollardNodes.size() << " bollard nodes, " << trafficLightNodes.size() << " traffic lights");
INFO(inputRestrictions.size() << " restrictions, " << bollardNodes.size() << " bollard nodes, " << trafficLightNodes.size() << " traffic lights");
if(!testDataFile("speedprofile.ini")) {
ERR("Need speedprofile.ini to apply traffic signal penalty");
@ -124,6 +122,7 @@ int main (int argc, char *argv[]) {
* Building an edge-expanded graph from node-based input an turn restrictions
*/
INFO("Generating edge-expanded graph representation");
EdgeBasedGraphFactory * edgeBasedGraphFactory = new EdgeBasedGraphFactory (nodeBasedNodeNumber, edgeList, bollardNodes, trafficLightNodes, inputRestrictions, internalToExternalNodeMapping, speedProfile, SRTM_ROOT);
std::vector<ImportEdge>().swap(edgeList);
@ -132,14 +131,14 @@ int main (int argc, char *argv[]) {
std::vector<NodeID>().swap(bollardNodes);
std::vector<NodeID>().swap(trafficLightNodes);
NodeID edgeBasedNodeNumber = edgeBasedGraphFactory->GetNumberOfNodes();
std::vector<EdgeBasedEdge> edgeBasedEdgeList;
std::deque<EdgeBasedEdge> edgeBasedEdgeList;
edgeBasedGraphFactory->GetEdgeBasedEdges(edgeBasedEdgeList);
stxxl::vector<EdgeBasedEdge> externalEdgeBasedEdgeList;
BOOST_FOREACH(EdgeBasedEdge & edge, edgeBasedEdgeList) {
externalEdgeBasedEdgeList.push_back(edge);
}
std::vector<EdgeBasedEdge>().swap(edgeBasedEdgeList);
edgeBasedEdgeList.clear();
/***
* Writing info on original (node-based) nodes