Exemple #1
0
void STPTest(unsigned long , tKeyboardModifier , char)
{
	MNPuzzleState tmp(4, 4);
	mnp->StoreGoal(tmp);

	IDAStar<MNPuzzleState, slideDir> ida;
	std::vector<slideDir> path1;
	MNPuzzleState s(4, 4);
	MNPuzzleState g(4, 4);
	//ida.SetUseBDPathMax(true);
	Timer t;
	t.StartTimer();
	uint64_t nodes = 0;
	for (int x = 0; x < 100; x++)
	{
		s = GetKorfInstance(x);
		g.Reset();

		std::cout << "Searching from: " << std::endl << s << std::endl << g << std::endl;
		Timer t;
		t.StartTimer();
		ida.GetPath(mnp, s, g, path1);
		t.EndTimer();
		std::cout << "Path found, length " << path1.size() << " time:" << t.GetElapsedTime() << std::endl;
		nodes += ida.GetNodesExpanded();
	}
	printf("%1.2fs elapsed; %llu nodes expanded\n", t.EndTimer(), nodes);
//	for (int x = 0; x < mnp->histogram.size(); x++)
//	{
//		printf("%2d  %d\n", x, mnp->histogram[x]);
//	}
//
//	mnp->PrintHStats();
	
}
Exemple #2
0
void runProblemSet2(char *problems, int multiplier)
{
	Map *map = new Map(gDefaultMap);
	map->Scale(512, 512);
	msa = new MapSectorAbstraction(map, 8, multiplier);
	
	Graph *g = msa->GetAbstractGraph(1);
	GraphAbstractionHeuristic gah1(msa, 1);
	GraphDistanceHeuristic localGDH(g);
	localGDH.SetPlacement(kAvoidPlacement);
	for (unsigned int x = 0; x < 10; x++)
		localGDH.AddHeuristic();

	GraphHeuristicContainer ghc(g);
	
	GraphRefinementEnvironment env1(msa, 1, &localGDH);
	GraphRefinementEnvironment env2(msa, 1, 0);
//	ghc.AddHeuristic(&localGDH);
//	ghc.AddHeuristic(&gah1);
	env1.SetDirected(false);
	
	FILE *f = fopen(problems, "r");
	if (f == 0)
	{
		printf("Cannot open file: '%s'\n", problems);
		exit(0);
	}
	Timer t;
	printf("len\tnodes\ttoucht\tlen\ttime\tdiff_n\tdiff_t\tdiff_l\ttime\n");
	while (!feof(f))
	{
		int from, to, cost;
		if (fscanf(f, "%d\t%d\t%d\n", &from, &to, &cost) != 3)
			break;
		node *s1 = g->GetNode(from);
		node *g1 = g->GetNode(to);
		graphState gs, gg;
		gs = s1->GetNum();
		gg = g1->GetNum();
		std::vector<graphState> thePath;
		t.StartTimer();
		astar.GetPath(&env2, gs, gg, thePath);
		t.EndTimer();
		printf("%d\t", cost);
		printf("%llu\t%llu\t%1.2f\t%e\t",
			   astar.GetNodesExpanded(), astar.GetNodesTouched(),
			   env1.GetPathLength(thePath), t.GetElapsedTime());
		t.StartTimer();
		astar.GetPath(&env1, gs, gg, thePath);
		t.EndTimer();
		printf("%llu\t%llu\t%1.2f\t%e",
			   astar.GetNodesExpanded(), astar.GetNodesTouched(),
			   env1.GetPathLength(thePath), t.GetElapsedTime());
		printf("\n");
	}
	fclose(f);
	exit(0);
}
Exemple #3
0
void Test(TopSpin &tse, const char *prefix)
{
	TopSpinState s(16, 4);
	TopSpinState g(16, 4);
	g.Reset();
	tse.StoreGoal(g);
	tse.SetPruneSuccessors(true);
	
	IDAStar<TopSpinState, TopSpinAction> ida;
	ida.SetUseBDPathMax(true);
	std::vector<TopSpinAction> path1;
	TopSpinState start;
	Timer t1;
	t1.StartTimer();
	uint64_t nodes = 0;
	double totaltime = 0;
	for (int x = 0; x < 100; x++)
	{
		s = GetInstance(x, tse.GetWeighted());
		g.Reset();
		printf("Problem %d of %d\n", x+1, 100);
		std::cout << "Searching from: " << std::endl << s << std::endl << g << std::endl;
		Timer t;
		t.StartTimer();
		ida.GetPath(&tse, s, g, path1);
		t.EndTimer();
		totaltime += t.GetElapsedTime();
		std::cout << "Path found, length " << path1.size() << " time:" << t.GetElapsedTime() << std::endl;
		nodes += ida.GetNodesExpanded();
	}
	printf("%s: %1.2fs elapsed; %llu nodes expanded\n", prefix, t1.EndTimer(), nodes);
}
Exemple #4
0
void MyDisplayHandler(unsigned long windowID, tKeyboardModifier mod, char key)
{
	switch (key)
	{
		case 'r': recording = !recording; break;
		case '0':
		case '1':
		case '2':
		case '3':
		case '4':
		case '5':
		case '6':
		case '7':
		case '8':
		case '9':
			ts->ApplyAction(s, key-'0');
			break;
		case '\t':
			if (mod != kShiftDown)
				SetActivePort(windowID, (GetActivePort(windowID)+1)%GetNumPorts(windowID));
			else
			{
				SetNumPorts(windowID, 1+(GetNumPorts(windowID)%MAXPORTS));
			}
			break;
		case 'p':
			break;
		case 'o':
		{
			if (!ts) break;
			if (mod == kShiftDown)
			{
				IDAStar<TopSpinState, TopSpinAction> ida;
				std::vector<TopSpinAction> path1;
				std::vector<TopSpinState> path2;
				TopSpinState s(4, 4);
				TopSpinState g(4, 4);
				for (unsigned int x = 0; x < 500; x++)
				{
					std::vector<TopSpinAction> acts;
					ts->GetActions(s, acts);
					ts->ApplyAction(s, acts[random()%acts.size()]);
				}
				std::cout << "Searching from: " << std::endl << s << std::endl << g << std::endl;
				Timer t;
				t.StartTimer();
				ida.GetPath(ts, s, g, path1);
				t.EndTimer();
				std::cout << "Path found, length " << path1.size() << " time:" << t.GetElapsedTime() << std::endl;
			}
		}
			break;
		default:
			break;
	}
}
Exemple #5
0
	void DoBFS()
	{
		// By default, starts at goal state
		SlidingPuzzleState s;
		LList<int> moves;
		
		uint8_t *stateDepths = new uint8_t[s.GetMaxRank()];
		
		// set all values to 255
		memset(stateDepths, 255, s.GetMaxRank());
		uint32_t seenStates = 1;
		stateDepths[s.Rank()] = 0;
		int currDepth = 0;
		
		Timer fullTimer;
		
		std::cout.setf( std::ios::fixed, std:: ios::floatfield ); // floatfield set to fixed
		std::cout.precision(2);
		
		while (seenStates != s.GetMaxRank())
		{
			Timer roundTimer;
			for (int x = 0; x < s.GetMaxRank(); x++)
			{
				if (stateDepths[x] == currDepth)
				{
					s.Unrank(x);
					s.GetMoves(moves);
					while (moves.IsEmpty() == false)
					{
						s.ApplyMove(moves.PeekFront());
						uint32_t rank = s.Rank();
						s.UndoMove(moves.PeekFront());
						moves.RemoveFront();
						
						if (stateDepths[rank] == 255)
						{
							stateDepths[rank] = currDepth+1;
							seenStates++;
						}
					}
				}
			}
			std::cout << roundTimer.GetElapsedTime() << "s elapsed. ";
			std::cout << "Depth " << currDepth;
			std::cout << " complete. " << seenStates << " of " << s.GetMaxRank();
			std::cout << " total states seen.\n";
			currDepth++;
		}
		std::cout << fullTimer.EndTimer() << "s elapsed\n";
		delete [] stateDepths;
	}
Exemple #6
0
void runProblemSet3(char *scenario)
{
	printf("Loading scenario %s\n", scenario);
	ScenarioLoader sl(scenario);
	
	printf("Loading map %s\n", sl.GetNthExperiment(0).GetMapName());
	Map *map = new Map(sl.GetNthExperiment(0).GetMapName());
	map->Scale(sl.GetNthExperiment(0).GetXScale(), 
			   sl.GetNthExperiment(0).GetYScale());
	
	PEAStar<xyLoc, tDirection, MapEnvironment> pea;
	TemplateAStar<xyLoc, tDirection, MapEnvironment> astar;
	std::vector<xyLoc> thePath;
	MapEnvironment ma(map);
	ma.SetFourConnected();
	
	for (int x = 0; x < sl.GetNumExperiments(); x++)
	{
		if (sl.GetNthExperiment(x).GetBucket() != 127)
			continue;
		xyLoc from, to;
		printf("%d\t", sl.GetNthExperiment(x).GetBucket());
		from.x = sl.GetNthExperiment(x).GetStartX();
		from.y = sl.GetNthExperiment(x).GetStartY();
		to.x = sl.GetNthExperiment(x).GetGoalX();
		to.y = sl.GetNthExperiment(x).GetGoalY();
		Timer t;
		t.StartTimer();
		pea.GetPath(&ma, from, to, thePath);
		t.EndTimer();
		printf("pea\t%ld\t%1.6f\t%llu\t%u", thePath.size(), t.GetElapsedTime(), pea.GetNodesExpanded(), pea.GetNumOpenItems());
		t.StartTimer();
		astar.GetPath(&ma, from, to, thePath);
		t.EndTimer();
		printf("\tastar\t%ld\t%1.6f\t%llu\t%u\n", thePath.size(), t.GetElapsedTime(), astar.GetNodesExpanded(), astar.GetNumOpenItems());
	}

	exit(0);
}
Exemple #7
0
void BFS()
{
	Timer t;
	t.StartTimer();
	ClearFiles();
	RubiksCube c;
	RubiksState s;
	//uint64_t start1 = strtoll(argv[0], 0, 10);
	GetInstanceFromStdin(s);
	//GetSuperFlip(s);
	hash128 start;
	start.parent = 20;
	start.edgeHash = c.GetEdgeHash(s);
	start.cornerHash = c.GetCornerHash(s);
	std::vector<hash128> states;
	states.push_back(start);
	WriteStatesToDisk(states, 0);

	// write goal to disk
	s.Reset();
	start.parent = 20;
	start.edgeHash = c.GetEdgeHash(s);
	start.cornerHash = c.GetCornerHash(s);
	states.clear();
	states.push_back(start);
	WriteStatesToDisk(states, 1);
	
	int depth = 2;
	bool done = false;
	while (!done)
	{
		Timer t2, t3;
		t2.StartTimer();
		t3.StartTimer();
		printf("***Starting layer: %d\n", depth); fflush(stdout);
		ExpandLayer(depth-2);
		printf("%1.2fs expanding\n", t2.EndTimer());  fflush(stdout);
		t2.StartTimer();
		done = DuplicateDetectLayer(depth);
		printf("%1.2fs dd\n", t2.EndTimer());
		printf("%1.2fs total elapsed at depth %d\n", t3.EndTimer(), depth);  fflush(stdout);
		depth++;
	}
	printf("%1.2fs elapsed; found solution at depth %d (cost %d)\n", t.EndTimer(), depth-1, depth-2);  fflush(stdout);
}
Exemple #8
0
// experiments with 0, 10, ..., 100 differential heuristics
void RunExperiments1(ScenarioLoader *sl)
{
	std::vector<graphState> aPath;

	Map *m = new Map(sl->GetNthExperiment(0).GetMapName());
	m->Scale(sl->GetNthExperiment(0).GetXScale(), 
			 sl->GetNthExperiment(0).GetYScale());
	Graph *g = GraphSearchConstants::GetGraph(m);
	
	GraphDistanceHeuristic diffHeuristic(g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);
	
	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;

	
	for (int z = 0; z <= 10; z++)
	{
		for (int x = 0; x < sl->GetNumExperiments(); x++)
		{
			Experiment e = sl->GetNthExperiment(x);

			graphState start, goal;
			start = m->GetNodeNum(e.GetStartX(), e.GetStartY());
			goal = m->GetNodeNum(e.GetGoalX(), e.GetGoalY());

			Timer t;
			t.StartTimer();
			taNew.GetPath(&gEnv, start, goal, aPath);
			t.EndTimer();

			printf("%d\t%d\t%lld\t%f\n", e.GetBucket(), diffHeuristic.GetNumHeuristics(), taNew.GetNodesExpanded(), t.GetElapsedTime());
		}
		for (int x = 0; x < 10; x++)
			diffHeuristic.AddHeuristic();
	}
	exit(0);
}
int main(int argc, char **argv)
{
	char filename[255];
	std::vector<xyLoc> thePath;
	std::vector<bool> mapData;
	int width, height;
	bool pre = false;
	bool run = false;

/*
	if (argc != 4)
	{
		printf("Invalid Arguments\nUsage %s <flag> <map> <scenario>\n", argv[0]);
		printf("Flags:\n");
		printf("\t-full : Preprocess map and run scenario\n");
		printf("\t-pre : Preprocess map\n");
		printf("\t-run : Run scenario without preprocessing\n");
		exit(0);
	}
	if (strcmp(argv[1], "-full") == 0)
	{
		pre = run = true;
	}
	else if (strcmp(argv[1], "-pre") == 0)
	{
		pre = true;
	}
	else if (strcmp(argv[1], "-run") == 0)
	{
		run = true;
	}
	else {
        printf("Invalid Arguments\nUsage %s <flag> <map> <scenario>\n", argv[0]);
		printf("Flags:\n");
        printf("\t-full : Preprocess map and run scenario\n");
        printf("\t-pre : Preprocess map\n");
        printf("\t-run : Run scenario without preprocessing\n");
        exit(0);
	}

	LoadMap(argv[2], mapData, width, height);
	sprintf(filename, "%s-%s.txt", GetName(), argv[2]);
*/
	// Testing area
	LoadMap("ca_cave.map", mapData, width, height);
	sprintf(filename, "%s-%s.txt", GetName(), "TEST");

	pre = run = true;
	if (pre)
	{
		PreprocessMap(mapData, width, height, filename);
	}

	if (!run)
	{
		return 0;
	}

	void *reference = PrepareForSearch(mapData, width, height, filename);

	//ScenarioLoader scen(argv[3]);
	ScenarioLoader scen("ca_cave.map.scen");


	Timer t;
	std::vector<stats> experimentStats;
	for (int x = 0; x < scen.GetNumExperiments(); x++)
    {
		printf("%d of %d\n", x+1, scen.GetNumExperiments());
		thePath.resize(0);
		experimentStats.resize(x+1);
		bool done;
		xyLoc s, g;
		s.x = scen.GetNthExperiment(x).GetStartX();
		s.y = scen.GetNthExperiment(x).GetStartY();
		g.x = scen.GetNthExperiment(x).GetGoalX();
		g.y = scen.GetNthExperiment(x).GetGoalY();
		SetFirstSearch(true);
		InitializeSearch();
		do {
			t.StartTimer();
			done = GetPath(reference, s, g, thePath);
			t.EndTimer();

			experimentStats[x].times.push_back(t.GetElapsedTime());
			experimentStats[x].lengths.push_back(thePath.size());
			for (unsigned int t = experimentStats[x].path.size(); t < thePath.size(); t++)
				experimentStats[x].path.push_back(thePath[t]);
		} while (done == false);
    }

	for (unsigned int x = 0; x < experimentStats.size(); x++)
	{
		printf("%s\ttotal-time\t%f\tmax-time-step\t%f\ttime-20-moves\t%f\ttotal-len\t%f\tsubopt\t%f\t", argv[3],
			   experimentStats[x].GetTotalTime(), experimentStats[x].GetMaxTimestep(), experimentStats[x].Get20MoveTime(),
			   experimentStats[x].GetPathLength(), experimentStats[x].GetPathLength()/scen.GetNthExperiment(x).GetDistance());
		if (experimentStats[x].path.size() == 0 ||
			(experimentStats[x].ValidatePath(width, height, mapData) &&
			 scen.GetNthExperiment(x).GetStartX() == experimentStats[x].path[0].x &&
			 scen.GetNthExperiment(x).GetStartY() == experimentStats[x].path[0].y &&
			 scen.GetNthExperiment(x).GetGoalX() == experimentStats[x].path.back().x &&
			 scen.GetNthExperiment(x).GetGoalY() == experimentStats[x].path.back().y))
		{
			printf("valid\n");
		}
		else {
			printf("invalid\n");
		}
	}
/*
	// Testing section...
//131	233	163	50
	xyLoc s, g;
	s.x = 95;
	s.y = 146;
	g.x = 92;
	g.y = 189;
	InitializeSearch();
	Timer t;
	t.StartTimer();
	bool done = false;
	while (!done)
	{
		done = GetPath(reference, s, g, thePath);
	}
	t.EndTimer();
	printf("(%d,%d)->(%d,%d)\n",s.x,s.y,g.x,g.y);
	printf("time: %fs\n",t.GetElapsedTime());
	write_map(mapData, width, height, s, g, thePath);
	stats st;
	st.path = thePath;
	bool k = (st.ValidatePath(width, height, mapData)
			&& s.x == thePath[0].x
			&& s.y == thePath[0].y
			&& g.x == thePath.back().x
			&& g.y == thePath.back().y
			);
	if (k)
		printf("valid\n");
	else
		printf("invalid\n");

	return 0;*/
}
Exemple #10
0
void runProblemSet(char *problems, int multiplier)
{
	Map *map = new Map(gDefaultMap);
	map->Scale(512, 512);
	msa = new MapSectorAbstraction(map, 8, multiplier);

	Graph *g = msa->GetAbstractGraph(1);
	GraphAbstractionHeuristic gah2(msa, 2);
	GraphAbstractionHeuristic gah1(msa, 1);
	
	GraphRefinementEnvironment env2(msa, 2, &gah2);
	GraphRefinementEnvironment env1(msa, 1, &gah1);
	env1.SetDirected(false);
	env2.SetDirected(false);
	
	FILE *f = fopen(problems, "r");
	if (f == 0)
	{
		printf("Cannot open file: '%s'\n", problems);
		exit(0);
	}
	printf("len\tlvl2n\tlvl2nt\tlvl2len\tlvl2tim\tlvl1nf\tlvl1ntf\tlvl1tn\tlvl1tt\tlvl1len_f\ttot\ttott\ttot_len\n");
	Timer t;
	while (!feof(f))
	{
		int from, to, cost;
		if (fscanf(f, "%d\t%d\t%d\n", &from, &to, &cost) != 3)
			break;
		node *s1 = g->GetNode(from);
		node *g1 = g->GetNode(to);
		node *s2 = msa->GetParent(s1);
		node *g2 = msa->GetParent(g1);
		uint64_t nodesExpanded = 0;
		uint64_t nodesTouched = 0;
		double totalTime = 0;
		//		printf("Searching from %d to %d in level 1; %d to %d in level 2\n",
		//			   s1->GetNum(), g1->GetNum(), s2->GetNum(), g2->GetNum());
		graphState gs1, gs2;
		gs1 = s2->GetNum();
		gs2 = g2->GetNum();
		std::vector<graphState> thePath;
		std::vector<graphState> abstractPath;
		t.StartTimer();
		astar.GetPath(&env2, gs1, gs2, abstractPath);
		totalTime = t.EndTimer();
		printf("%d\t", cost);
		printf("%llu\t%llu\t%1.2f\t%f\t", astar.GetNodesExpanded(), astar.GetNodesTouched(), env2.GetPathLength(abstractPath), totalTime);
		if (abstractPath.size() == 0)
		{
			printf("%llu\t%llu\t%llu\t%llu\t%1.2f\t%f\t", (uint64_t)0, (uint64_t)0, astar.GetNodesExpanded(), astar.GetNodesTouched(), 0.0, 0.0);
			printf("%llu\t%llu\t%1.2f\t%f\t%d\t%d\n", astar.GetNodesExpanded(), astar.GetNodesTouched(), 0.0, 0.0, 0, 0);
//			printf("\n");
			continue;
		}

		nodesExpanded += astar.GetNodesExpanded();
		nodesTouched += astar.GetNodesTouched();

		env1.SetPlanningCorridor(abstractPath, 2);
		gs1 = s1->GetNum();
		gs2 = g1->GetNum();
		t.StartTimer();
		astar.GetPath(&env1, gs1, gs2, thePath);
		t.EndTimer();
		printf("%llu\t%llu\t%llu\t%llu\t%1.2f\t%f\t",
			   astar.GetNodesExpanded(), astar.GetNodesTouched(),
			   astar.GetNodesExpanded()+nodesExpanded, astar.GetNodesTouched()+nodesTouched,
			   env1.GetPathLength(thePath), totalTime+t.GetElapsedTime());
		
		int abstractStart = 0;
		gs1 = s1->GetNum();
		double totalLength = 0;
		int refineAmt = 2;
		int refinedPathNodes = 0;
		do { // not working yet -- fully check!
			env1.SetPlanningCorridor(abstractPath, 2, abstractStart);
			gs2 = g1->GetNum();
			if (abstractPath.size()-abstractStart > refineAmt)
			{
				env1.SetUseAbstractGoal(true, 2);
				gs2 = abstractPath[abstractStart+refineAmt];
			}
			else {
				env1.SetUseAbstractGoal(false, 0);
			}
			t.StartTimer();
			astar.GetPath(&env1, gs1, gs2, thePath);
			t.EndTimer();
			refinedPathNodes += thePath.size();
			totalTime+=t.GetElapsedTime();
			abstractStart += refineAmt;
			gs1 = thePath.back();
			
			nodesExpanded += astar.GetNodesExpanded();
			nodesTouched += astar.GetNodesTouched();
			totalLength += env1.GetPathLength(thePath);
			if (thePath.back() == gs2)
				break;
		} while (thePath.back() != g1->GetNum());
		
//		printf("%llu\t%llu\t%1.2f\t", astar.GetNodesExpanded(), astar.GetNodesTouched(), env1.GetPathLength(thePath));
		thePath.resize(0);
		printf("%llu\t%llu\t%1.2f\t%f\t%d\t%d\n", nodesExpanded, nodesTouched, totalLength, totalTime, abstractPath.size(), refinedPathNodes);
		
//		gs1 = s1->GetNum();
//		gs2 = g1->GetNum();
//		env1.SetPlanningCorridor(abstractPath, 2);
//		astar.GetPath(&env1, gs1, gs2, thePath);
//		printf("%llu\t%1.2f\n", astar.GetNodesExpanded(), env1.GetPathLength(thePath));
	}
	fclose(f);
	exit(0);
}
Exemple #11
0
void TSTest(unsigned long , tKeyboardModifier , char)
{
	int N = 16, k = 4;
	std::vector<int> tiles;

	TopSpin tse(N, k);
	TopSpinState s(N, k);
	TopSpinState g(N, k);

//	if (ts->PDB.size() == 0)
//	{
//		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_0-5.pdb", g, true);
//		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_12-15.pdb", g, true);
//		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_6-11.pdb", g, true);
//		tse.lookups.push_back({kMaxNode, 3, 1, 0});
//		tse.lookups.push_back({kLeafNode, 0, 0, 0});
//		tse.lookups.push_back({kLeafNode, 0, 0, 1});
//		tse.lookups.push_back({kLeafNode, 0, 0, 2});
//	}

	if (ts->PDB.size() == 0)
	{
		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_0-3.pdb", g, true);
		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_0-5+.pdb", g, true);
		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_6-9.pdb", g, true);
		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_6-11+.pdb", g, true);
		tse.Load_Regular_PDB("/Users/nathanst/Desktop/TS_12-15.pdb", g, true);
		tse.lookups.push_back({kMaxNode, 3, 1, 0});
		tse.lookups.push_back({kAddNode, 2, 4, 0});
		tse.lookups.push_back({kAddNode, 2, 6, 0});
		tse.lookups.push_back({kLeafNode, 0, 0, 4});
		tse.lookups.push_back({kLeafNode, 0, 0, 0});
		tse.lookups.push_back({kLeafNode, 0, 0, 1});
		tse.lookups.push_back({kLeafNode, 0, 0, 2});
		tse.lookups.push_back({kLeafNode, 0, 0, 3});
	}

	
	IDAStar<TopSpinState, TopSpinAction> ida;
	std::vector<TopSpinAction> path1;


	tse.SetPruneSuccessors(true);
	for (int x = 0; x < 100; x++)
	{
		GetTSInstance(tse, s, x);
		std::cout << "Problem " << x << std::endl;
		std::cout << "Searching from: " << std::endl << s << std::endl << g << std::endl;
		Timer t;
		t.StartTimer();
		ida.GetPath(&tse, s, g, path1);
		t.EndTimer();
		std::cout << "Path found, length " << path1.size() << " time:" << t.GetElapsedTime() << " ";
		std::cout << ida.GetNodesExpanded() << " nodes expanded" << std::endl;
//		for (int x = 0; x < ts->histogram.size(); x++)
//		{
//			printf("%2d  %d\n", x, ts->histogram[x]);
//		}
		
//		tse.PrintHStats();
	}
}
Exemple #12
0
// experiments with 0, 10, ..., 100 differential heuristics
// 10% of them are used at each step with and without BPMX
void RunExperiments2(ScenarioLoader *sl)
{
	std::vector<graphState> aPath;
	
	Map *m = new Map(sl->GetNthExperiment(0).GetMapName());
	m->Scale(sl->GetNthExperiment(0).GetXScale(), 
			 sl->GetNthExperiment(0).GetYScale());
	Graph *g = GraphSearchConstants::GetGraph(m);
	
	GraphMapInconsistentHeuristic diffHeuristic(m, g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	diffHeuristic.SetMode(kRandom);
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);
	
	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;
	
	Timer t;
	
	for (int z = 0; z < 1; z++)
	{
		for (int x = 0; x < 10; x++)
			diffHeuristic.AddHeuristic();
		diffHeuristic.SetNumUsedHeuristics(diffHeuristic.GetNumHeuristics()/10);
		
		for (int x = 0; x < sl->GetNumExperiments(); x++)
		{
			Experiment e = sl->GetNthExperiment(x);
			//			if (e.GetBucket() != 127)
			//			{ continue; }
			
			graphState start, goal;
			start = m->GetNodeNum(e.GetStartX(), e.GetStartY());
			goal = m->GetNodeNum(e.GetGoalX(), e.GetGoalY());
			
			//			taNew.SetUseBPMX(false);
			//			Timer t;
			//			t.StartTimer();
			//			taNew.GetPath(&gEnv, start, goal, aPath);
			//			t.EndTimer();
			//			
			//			printf("%d\t%d.%d\t%d\t%f\t\t%f\n", e.GetBucket(), diffHeuristic.GetNumHeuristics(), diffHeuristic.GetNumHeuristics()/10,
			//				   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
			
			for (int y = 1; y < 6; y++)
			{
				if (y == 5)
					taNew.SetUseBPMX(1000);
				else
					taNew.SetUseBPMX(y);
				t.StartTimer();
				taNew.GetPath(&gEnv, start, goal, aPath);
				t.EndTimer();
				
				printf("%d\t%d.%d\t%lld\t%f\tBPMX\t%f\n", e.GetBucket(), diffHeuristic.GetNumHeuristics(), y,
					   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
			}
		}
	}
	exit(0);
}
Exemple #13
0
void MyPathfindingKeyHandler(unsigned long windowID, tKeyboardModifier , char)
{
	std::vector<graphState> thePath;
	Directional2DEnvironment *env = unitSims[windowID]->GetEnvironment();
	Map *m = env->GetMap();
	Graph *g = GraphSearchConstants::GetGraph(m);

//	GraphDistanceHeuristic diffHeuristic(g);
//	diffHeuristic.SetPlacement(kAvoidPlacement);
//	for (int x = 0; x < 20; x++)
//		diffHeuristic.AddHeuristic();

	GraphMapInconsistentHeuristic diffHeuristic(m, g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	for (int x = 0; x < 20; x++)
		diffHeuristic.AddHeuristic();
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);

	diffHeuristic.SetMode(kRandom);
	diffHeuristic.SetNumUsedHeuristics(2);

	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;
	TemplateAStar<graphState, graphMove, GraphEnvironment> taOld;
	Timer t;
	
	for (int x = 0; x < 500; x++)
	{
		graphState s1, g1;
		do {
			s1 = g->GetRandomNode()->GetNum();
			g1 = g->GetRandomNode()->GetNum();
		} while (gEnv.HCost(s1, g1) < 100);
		double firstLength;

		taNew.SetUseBPMX(false);
		t.StartTimer();
		taNew.GetPath(&gEnv, s1, g1, thePath);
		t.EndTimer();
		printf("old: %lld nodes expanded. Path length %d / %f. Time: %f\nrate0: %lld %f\n", 
			   taNew.GetNodesExpanded(), (int)thePath.size(), gEnv.GetPathLength(thePath), t.GetElapsedTime(),
			   taNew.GetNodesExpanded(), taNew.GetNodesExpanded()/t.GetElapsedTime());
		firstLength = gEnv.GetPathLength(thePath);

		for (int y = 1; y < 5; y++)
		{
			taNew.SetUseBPMX(y);
			t.StartTimer();
			taNew.GetPath(&gEnv, s1, g1, thePath);
			t.EndTimer();
			printf("new: %lld nodes expanded. Path length %d / %f. Time: %f\nrate%d: %lld %f\n", 
				   taNew.GetNodesExpanded(), (int)thePath.size(), gEnv.GetPathLength(thePath), t.GetElapsedTime(),
				   y, taNew.GetNodesExpanded(), taNew.GetNodesExpanded()/t.GetElapsedTime());

			if (gEnv.GetPathLength(thePath) != firstLength)
				printf("\n\n\n!!!!!!!!!!!!!!!!!! IT FAILED!!!!!!!!!!!!!!!!!!!!!!!!\n\n\n\n");
		}
		printf("--\n");
	}	
	delete g;
}
Exemple #14
0
bool DuplicateDetectLayer(int depth)
{
	const int bufferSize = 128;
	
	double m0Dups = 0;
	double m2Dups = 0;
	double m4Dups = 0;
	double fDups = 0;
	double writeTime = 0;
	std::vector<uint64_t> values;
	values.resize(bufferSize);
	Timer t;
	uint64_t count = 0;
	bool dups = false;
	std::unordered_map<uint64_t, uint8_t> map;
	uint64_t removed0 = 0, removed2 = 0;
	for (int x = 0; x < kNumBuckets; x++)
	{
		t.StartTimer();
		FILE *f = fopen(GetFileName(depth, x), "r");
		if (f == 0)
			continue;

		map.clear();
		count = 0;
		uint64_t numRead;
		while ((numRead = fread(&values[0], sizeof(uint64_t), bufferSize, f)) > 0)
		{
			for (int x = 0; x < numRead; x++)
				map[values[x]>>5] = values[x]&0x1F;
			count++;
		}
		fclose(f);
		m0Dups += t.EndTimer();
		//printf("Read %llu states from depth %d bucket %d [%s]\n", count, depth, x, GetFileName(depth, x));
		
		t.StartTimer();
		f = fopen(GetFileName(depth-2, x), "r");
		if (f != 0)
		{
			while ((numRead = fread(&values[0], sizeof(uint64_t), bufferSize, f)) > 0)
			{
				for (int x = 0; x < numRead; x++)
				{
					//printf("Looking for duplicate %d %llu\n", x, next);
					auto loc = map.find(values[x]>>5);
					if (loc != map.end())
					{
						//printf("Removing duplicate %d %llu\n", x, loc->first);
						removed0++;
						map.erase(loc);
					}
				}
			}
			fclose(f);
		}
		m2Dups += t.EndTimer();

		t.StartTimer();
		f = fopen(GetFileName(depth-4, x), "r");
		if (f != 0)
		{
			while ((numRead = fread(&values[0], sizeof(uint64_t), bufferSize, f)) > 0)
			{
				for (int x = 0; x < numRead; x++)
				{
					auto loc = map.find(values[x]>>5);
					if (loc != map.end())
					{
						removed2++;
						map.erase(loc);
					}
				}
			}
			fclose(f);
		}
		m4Dups += t.EndTimer();

		t.StartTimer();
		f = fopen(GetFileName(depth-1, x), "r");
		if (f != 0)
		{
			while ((numRead = fread(&values[0], sizeof(uint64_t), bufferSize, f)) > 0)
			{
				for (int x = 0; x < numRead; x++)
				{
					auto loc = map.find(values[x]>>5);
					if (loc != map.end())
					{
						//printf("Found duplicate!\n");
						dups = true;
					}
				}
			}
			fclose(f);
		}
		fDups += t.EndTimer();
		
		t.StartTimer();
		count = 0;
		f = fopen(GetFileName(depth, x), "w");
		if (f == 0)
		{
			printf("Error with %s\n", GetFileName(depth, x));
			exit(0);
		}
		values.resize(0);
		for (auto val : map)
		{
			//if (val.second)
			{
				values.push_back((val.first<<5)|(val.second));
				count++;
				//printf("%2d): Writing %llu %llu\n", depth, x, val.first);
				
				if (values.size() >= bufferSize)
				{
					fwrite(&(values[0]), sizeof(uint64_t), values.size(), f);
					values.resize(0);
				}
			}
		}
		if (values.size() > 0)
			fwrite(&(values[0]), sizeof(uint64_t), values.size(), f);
		//printf("Wrote %llu states to depth %d bucket %d [%s]\n", count, depth, x, GetFileName(depth, x));
		fclose(f);
		writeTime += t.EndTimer();
	}
	printf("%1.2f dup vs 0, %1.2f dup vs -2, %1.2f dup vs -4, %1.2f dup vs other frontier, %1.2f write; %llu dups at -2, %llu at -4\n",
		   m0Dups, m2Dups, m4Dups, fDups, writeTime, removed0, removed2);
	return dups;
}
Exemple #15
0
// Compare:
// * 1 random lookup of 10 with BPMX
// * 1 random lookup of 10 without BPMX
// * octile
// * max of 10 heuristics
// * 1 lookup in compressed heuristic
void RunExperiments4(ScenarioLoader *sl)
{
	std::vector<graphState> aPath;
	
	Map *m = new Map(sl->GetNthExperiment(0).GetMapName());
	m->Scale(sl->GetNthExperiment(0).GetXScale(), 
			 sl->GetNthExperiment(0).GetYScale());
	Graph *g = GraphSearchConstants::GetGraph(m);
	
	GraphMapInconsistentHeuristic diffHeuristic(m, g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	diffHeuristic.SetMode(kRandom);
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);
	
	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;

	Timer t;
	
	for (int x = 0; x < 10; x++)
		diffHeuristic.AddHeuristic();
	//diffHeuristic.SetNumUsedHeuristics(diffHeuristic.GetNumHeuristics()/10);

	for (int x = 0; x < sl->GetNumExperiments(); x++)
	{
		Experiment e = sl->GetNthExperiment(x);
		
		graphState start, goal;
		start = m->GetNodeNum(e.GetStartX(), e.GetStartY());
		goal = m->GetNodeNum(e.GetGoalX(), e.GetGoalY());
	
		
		printf("%d\t", e.GetBucket());
		
		// N memory -- 1 heuristic
		diffHeuristic.SetNumUsedHeuristics(1);
		diffHeuristic.SetMode(kMax);
		taNew.SetUseBPMX(0);

		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%df\t%lld\t%f\t%f\t", diffHeuristic.GetNumHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
		// N memory -- 10 compressed heuristics no BPMX
		diffHeuristic.SetNumUsedHeuristics(10);
		diffHeuristic.SetMode(kCompressed);
		taNew.SetUseBPMX(0);

		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%dc\t%lld\t%f\t%f\t", diffHeuristic.GetNumHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
		// N memory -- 10 compressed heuristics BPMX 1
		diffHeuristic.SetNumUsedHeuristics(10);
		diffHeuristic.SetMode(kCompressed);
		taNew.SetUseBPMX(1);

		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%dcb1\t%lld\t%f\t%f\t", diffHeuristic.GetNumHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
		// N memory -- 10 compressed heuristics BPMX(°)
		diffHeuristic.SetNumUsedHeuristics(10);
		diffHeuristic.SetMode(kCompressed);
		taNew.SetUseBPMX(1000);
				
		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%dcbi\t%lld\t%f\t%f\n", diffHeuristic.GetNumHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
	}
	exit(0);
}
Exemple #16
0
// Compare:
// * 10 N memory
// * 1...10 regular lookups
// * 1...9 random lookups with and without BPMX
// Only compare on longest problems
void RunExperiments5(ScenarioLoader *sl)
{
	std::vector<graphState> aPath;
	
	Map *m = new Map(sl->GetNthExperiment(0).GetMapName());
	m->Scale(sl->GetNthExperiment(0).GetXScale(), 
			 sl->GetNthExperiment(0).GetYScale());
	Graph *g = GraphSearchConstants::GetGraph(m);
	
	GraphMapInconsistentHeuristic diffHeuristic(m, g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	diffHeuristic.SetMode(kRandom);
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);
	
	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;
	
	Timer t;
	
	for (int x = 0; x < 10; x++)
		diffHeuristic.AddHeuristic();
	//diffHeuristic.SetNumUsedHeuristics(diffHeuristic.GetNumHeuristics()/10);
	
	for (int x = 0; x < sl->GetNumExperiments(); x++)
	{
		Experiment e = sl->GetNthExperiment(x);
		
		if (e.GetBucket() != 127)
			continue;
		
		graphState start, goal;
		start = m->GetNodeNum(e.GetStartX(), e.GetStartY());
		goal = m->GetNodeNum(e.GetGoalX(), e.GetGoalY());
		
		
		printf("%d\t", e.GetBucket());
		
		
		for (int y = 1; y <= 10; y++)
		{
			// N memory -- 1 heuristic
			diffHeuristic.SetNumUsedHeuristics(y);
			diffHeuristic.SetMode(kMax);
			taNew.SetUseBPMX(0);
			
			t.StartTimer();
			taNew.GetPath(&gEnv, start, goal, aPath);
			t.EndTimer();		
			printf("%dmx\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
				   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		}
		
		for (int y = 1; y <= 9; y++)
		{
			for (int z = 0; z <= 1; z++)
			{
				// N memory -- 1 heuristic
				diffHeuristic.SetNumUsedHeuristics(y);
				diffHeuristic.SetMode(kRandom);
				taNew.SetUseBPMX(z);
				
				t.StartTimer();
				taNew.GetPath(&gEnv, start, goal, aPath);
				t.EndTimer();	
				if (z==0)
					printf("%drnd\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
						   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
				else
					printf("%drdb\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
						   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
			}
		}
		printf("\n");
		
	}
	exit(0);
}
Exemple #17
0
// Compare:
// * 10 N memory
// * 100 compressed heuristics
void RunExperiments(ScenarioLoader *sl, int memory)
{
	std::vector<graphState> aPath;
	
	Map *m = new Map(sl->GetNthExperiment(0).GetMapName());
	m->Scale(sl->GetNthExperiment(0).GetXScale(), 
			 sl->GetNthExperiment(0).GetYScale());
	Graph *g = GraphSearchConstants::GetGraph(m);
	
	GraphMapInconsistentHeuristic diffHeuristic(m, g);
	GraphMapInconsistentHeuristic diff1(m, g);
	diffHeuristic.SetPlacement(kAvoidPlacement);
	diffHeuristic.SetMode(kRandom);
	diff1.SetPlacement(kAvoidPlacement);
	diff1.SetMode(kMax);
	
	GraphEnvironment gEnv(g, &diffHeuristic);
	gEnv.SetDirected(true);
	GraphEnvironment gEnv2(g, &diff1);
	gEnv2.SetDirected(true);
	
	TemplateAStar<graphState, graphMove, GraphEnvironment> taNew;
	
	Timer t;
	
	for (int x = 0; x < memory; x++)
		diffHeuristic.AddHeuristic();
	diffHeuristic.SetNumUsedHeuristics(memory);
	diffHeuristic.Compress();
	diff1.AddHeuristic();
	diff1.SetNumUsedHeuristics(1);
	
	for (int x = 0; x < sl->GetNumExperiments(); x++)
	{
		Experiment e = sl->GetNthExperiment(x);
		
//		if (e.GetBucket() < 100)
//			continue;
		
		graphState start, goal;
		start = m->GetNodeNum(e.GetStartX(), e.GetStartY());
		goal = m->GetNodeNum(e.GetGoalX(), e.GetGoalY());
		
		
		printf("%d\t", e.GetBucket());
		
		
		// 10N memory -- 10 heuristics
//		diffHeuristic.SetNumUsedHeuristics(1);
//		diffHeuristic.SetMode(kMax);
//		taNew.SetUseBPMX(0);
//			
//		t.StartTimer();
//		taNew.GetPath(&gEnv, start, goal, aPath);
//		t.EndTimer();		
//		printf("%dmx\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
//			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
//		diffHeuristic.SetNumUsedHeuristics(memory);
//		diffHeuristic.SetMode(kCompressed);
//		taNew.SetUseBPMX(0);
		
//		t.StartTimer();
//		taNew.GetPath(&gEnv, start, goal, aPath);
//		t.EndTimer();		
//		printf("%dcmp\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
//			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
//		diffHeuristic.SetNumUsedHeuristics(memory);
//		diffHeuristic.SetMode(kCompressed);
		taNew.SetUseBPMX(0);
		
		t.StartTimer();
		taNew.GetPath(&gEnv2, start, goal, aPath);
		t.EndTimer();		
		printf("%dbx1\t%lld\t%f\t%f\t", diff1.GetNumUsedHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
		taNew.SetUseBPMX(0);
		
		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%dbx1\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));

		taNew.SetUseBPMX(1);
		
		t.StartTimer();
		taNew.GetPath(&gEnv, start, goal, aPath);
		t.EndTimer();		
		printf("%dbx1\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
//		diffHeuristic.SetNumUsedHeuristics(memory);
//		diffHeuristic.SetMode(kCompressed);
//		taNew.SetUseBPMX(1000);
//		
//		t.StartTimer();
//		taNew.GetPath(&gEnv, start, goal, aPath);
//		t.EndTimer();		
//		printf("%dbxi\t%lld\t%f\t%f\t", diffHeuristic.GetNumUsedHeuristics(),
//			   taNew.GetNodesExpanded(), t.GetElapsedTime(), gEnv.GetPathLength(aPath));
		
		printf("\n");
		fflush(stdout);
	}
	exit(0);
}