utestRotationDirectTsm.cpp 11.5 KB
Newer Older
1 2

// ===================================================================================
COULAUD Olivier's avatar
COULAUD Olivier committed
3
// Copyright ScalFmm 2011 INRIA,
4 5 6 7 8 9 10 11 12 13 14 15 16 17
// olivier.coulaud@inria.fr, berenger.bramas@inria.fr
// This software is a computer program whose purpose is to compute the FMM.
//
// This software is governed by the CeCILL-C and LGPL licenses and
// abiding by the rules of distribution of free software.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public and CeCILL-C Licenses for more details.
// "http://www.cecill.info".
// "http://www.gnu.org/licenses".
// ===================================================================================

COULAUD Olivier's avatar
COULAUD Olivier committed
18
#include "Utils/FGlobal.hpp"
19

BRAMAS Berenger's avatar
BRAMAS Berenger committed
20 21
#include "Containers/FOctree.hpp"
#include "Containers/FVector.hpp"
22

BRAMAS Berenger's avatar
BRAMAS Berenger committed
23 24 25
#include "Kernels/Rotation/FRotationCell.hpp"
#include "Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include "Kernels/Interpolation/FInterpMatrixKernel.hpp"
26

BRAMAS Berenger's avatar
BRAMAS Berenger committed
27 28 29
#include "Components/FTypedLeaf.hpp"
#include "Extensions/FExtendCellType.hpp"
#include "Kernels/Rotation/FRotationKernel.hpp"
30

BRAMAS Berenger's avatar
BRAMAS Berenger committed
31 32
#include "Files/FRandomLoader.hpp"
#include "Files/FFmaGenericLoader.hpp"
33

BRAMAS Berenger's avatar
BRAMAS Berenger committed
34 35
#include "Core/FFmmAlgorithmThreadTsm.hpp"
#include "Core/FFmmAlgorithmTsm.hpp"
36 37 38 39 40

#include "FUTester.hpp"


/** the test class the rotation and target source model.
COULAUD Olivier's avatar
COULAUD Olivier committed
41 42
 *
 */
43
class TestRotationDirectTsm : public FUTester<TestRotationDirectTsm> {
COULAUD Olivier's avatar
COULAUD Olivier committed
44
	/** The test method to factorize all the test based on different kernels */
45
    template <class FReal, class CellClass, class ContainerClass, class KernelClass, class LeafClass,
COULAUD Olivier's avatar
COULAUD Olivier committed
46 47 48 49 50 51 52
	class OctreeClass, class FmmClass>
	void RunTest(){
		// Warning in make test the exec dir it Build/UTests
		// Load particles
		const int nbSources = 5000;
		const int nbTargets = 5000;

53
		FRandomLoader<FReal> loader(nbSources + nbTargets);
COULAUD Olivier's avatar
COULAUD Olivier committed
54 55 56 57 58 59 60 61 62 63 64 65

		Print("Number of particles:");
		Print(loader.getNumberOfParticles());

		const int NbLevels      = 4;
		const int SizeSubLevels = 3;

		// Create octree
		OctreeClass tree(NbLevels, SizeSubLevels, loader.getBoxWidth(), loader.getCenterOfBox());

		const FReal physicalValue = 0.10;
		//
66
		FmaRWParticle<FReal, 8,8>* const particlesTargets = new FmaRWParticle<FReal, 8,8>[nbTargets];
67
		for(FSize idxPart = 0 ; idxPart < nbTargets ; ++idxPart){
68
            FPoint<FReal> position;
COULAUD Olivier's avatar
COULAUD Olivier committed
69 70
			loader.fillParticle(&position);
			// put in tree
71
            tree.insert(position, FParticleType::FParticleTypeTarget, idxPart, physicalValue);
COULAUD Olivier's avatar
COULAUD Olivier committed
72
			// get copy
73 74 75 76 77 78
			particlesTargets[idxPart].setPosition(position);
			*(particlesTargets[idxPart].setPhysicalValue()) = physicalValue;
			*(particlesTargets[idxPart].setPotential())        = 0.0;
			particlesTargets[idxPart].setForces()[0]        = 0.0;
			particlesTargets[idxPart].setForces()[1]        = 0.0;
			particlesTargets[idxPart].setForces()[2]        = 0.0;
COULAUD Olivier's avatar
COULAUD Olivier committed
79 80
		}

81
		FmaRWParticle<FReal, 8,8>* const particlesSources = new FmaRWParticle<FReal, 8,8>[nbSources];
82
		for(FSize idxPart = 0 ; idxPart < nbSources ; ++idxPart){
83
            FPoint<FReal> position;
COULAUD Olivier's avatar
COULAUD Olivier committed
84 85
			loader.fillParticle(&position);
			// put in tree
86
            tree.insert(position, FParticleType::FParticleTypeSource, idxPart, physicalValue);
COULAUD Olivier's avatar
COULAUD Olivier committed
87
			// get copy
88 89
			particlesSources[idxPart].setPosition(position);
			*(particlesSources[idxPart].setPhysicalValue()) = physicalValue;
COULAUD Olivier's avatar
COULAUD Olivier committed
90 91 92 93 94 95 96 97 98 99 100 101 102
		}


		// Run FMM
		Print("Fmm...");
		//KernelClass kernels(NbLevels,loader.getBoxWidth());
		KernelClass kernels(NbLevels,loader.getBoxWidth(), loader.getCenterOfBox());
		FmmClass algo(&tree,&kernels);
		algo.execute();
		//
		//

		// Run direct computation
103
        Print("Direct...");
COULAUD Olivier's avatar
COULAUD Olivier committed
104 105
		for(int idxTarget = 0 ; idxTarget < nbTargets ; ++idxTarget){
			for(int idxOther = 0 ; idxOther < nbSources ; ++idxOther){
106
                FP2PR::NonMutualParticles(
107
						particlesTargets[idxTarget].getPosition().getX(), particlesTargets[idxTarget].getPosition().getY(),
108 109 110 111 112
                        particlesTargets[idxTarget].getPosition().getZ(),particlesTargets[idxTarget].getPhysicalValue(),
                        &particlesTargets[idxTarget].setForces()[0],&particlesTargets[idxTarget].setForces()[1],
                        &particlesTargets[idxTarget].setForces()[2],particlesTargets[idxTarget].setPotential(),
                        particlesSources[idxOther].getPosition().getX(), particlesSources[idxOther].getPosition().getY(),
						particlesSources[idxOther].getPosition().getZ(),particlesSources[idxOther].getPhysicalValue());
COULAUD Olivier's avatar
COULAUD Olivier committed
113 114 115 116 117 118 119 120 121 122
			}
		}

		//
		// Assert
		/////////////////////////////////////////////////////////////////////////////////////////////////
		// Compute direct energy
		/////////////////////////////////////////////////////////////////////////////////////////////////
		FReal energy= 0.0 , energyD = 0.0 ;
		for(int idx = 0 ; idx <  nbTargets  ; ++idx){
123
			energyD +=  particlesTargets[idx].getPotential()*particlesTargets[idx].getPhysicalValue() ;
COULAUD Olivier's avatar
COULAUD Olivier committed
124 125 126 127 128
		}
		/////////////////////////////////////////////////////////////////////////////////////////////////
		// Compare
		/////////////////////////////////////////////////////////////////////////////////////////////////
		Print("Compute Diff...");
129 130
		FMath::FAccurater<FReal> potentialDiff;
		FMath::FAccurater<FReal> fx, fy, fz;
COULAUD Olivier's avatar
COULAUD Olivier committed
131 132 133 134 135 136 137 138 139
		{ // Check that each particle has been summed with all other

			tree.forEachLeaf([&](LeafClass* leaf){
				if( leaf->getTargets()->getNbParticles() ){
					const FReal*const potentials = leaf->getTargets()->getPotentials();
					const FReal*const physicalValues = leaf->getTargets()->getPhysicalValues();
					const FReal*const forcesX = leaf->getTargets()->getForcesX();
					const FReal*const forcesY = leaf->getTargets()->getForcesY();
					const FReal*const forcesZ = leaf->getTargets()->getForcesZ();
140 141
					const FSize nbParticlesInLeaf = leaf->getTargets()->getNbParticles();
					const FVector<FSize>& indexes = leaf->getTargets()->getIndexes();
COULAUD Olivier's avatar
COULAUD Olivier committed
142

143 144
					for(FSize idxPart = 0 ; idxPart < nbParticlesInLeaf ; ++idxPart){
						const FSize indexPartOrig = indexes[idxPart];
145 146 147 148
						potentialDiff.add(particlesTargets[indexPartOrig].getPotential(),potentials[idxPart]);
						fx.add(particlesTargets[indexPartOrig].getForces()[0],forcesX[idxPart]);
						fy.add(particlesTargets[indexPartOrig].getForces()[1],forcesY[idxPart]);
						fz.add(particlesTargets[indexPartOrig].getForces()[2],forcesZ[idxPart]);
COULAUD Olivier's avatar
COULAUD Olivier committed
149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
						energy   += potentials[idxPart]*physicalValues[idxPart];
					}
				}
			});
		}

		delete[] particlesTargets;
		delete[] particlesSources;
		//
		// Print for information

		Print("Potential diff is = ");
		printf("         Pot L2Norm     %e\n",potentialDiff.getL2Norm());
		printf("         Pot RL2Norm   %e\n",potentialDiff.getRelativeL2Norm());
		printf("         Pot RMSError   %e\n",potentialDiff.getRMSError());
		Print("Fx diff is = ");
		printf("         Fx L2Norm     %e\n",fx.getL2Norm());
		printf("         Fx RL2Norm   %e\n",fx.getRelativeL2Norm());
		printf("         Fx RMSError   %e\n",fx.getRMSError());
		Print("Fy diff is = ");
		printf("        Fy L2Norm     %e\n",fy.getL2Norm());
		printf("        Fy RL2Norm   %e\n",fy.getRelativeL2Norm());
		printf("        Fy RMSError   %e\n",fy.getRMSError());
		Print("Fz diff is = ");
		printf("        Fz L2Norm     %e\n",fz.getL2Norm());
		printf("        Fz RL2Norm   %e\n",fz.getRelativeL2Norm());
		printf("        Fz RMSError   %e\n",fz.getRMSError());
		FReal L2error = (fx.getRelativeL2Norm()*fx.getRelativeL2Norm() + fy.getRelativeL2Norm()*fy.getRelativeL2Norm()  + fz.getRelativeL2Norm() *fz.getRelativeL2Norm()  );
		printf(" Total L2 Force Error= %e\n",FMath::Sqrt(L2error)) ;
		printf("  Energy Error  =   %.12e\n",FMath::Abs(energy-energyD));
		printf("  Energy FMM    =   %.12e\n",FMath::Abs(energy));
		printf("  Energy DIRECT =   %.12e\n",FMath::Abs(energyD));

		// Assert
		const FReal MaximumDiffPotential = FReal(9e-3);
		const FReal MaximumDiffForces     = FReal(9e-2);
		//
		Print("Test1 - Error Relative L2 norm Potential ");
		uassert(potentialDiff.getRelativeL2Norm() < MaximumDiffPotential);    //1
		Print("Test2 - Error RMS L2 norm Potential ");
		uassert(potentialDiff.getRMSError() < MaximumDiffPotential);  //2
		Print("Test3 - Error Relative L2 norm FX ");
		uassert(fx.getRelativeL2Norm()  < MaximumDiffForces);                       //3
		Print("Test4 - Error RMS L2 norm FX ");
		uassert(fx.getRMSError() < MaximumDiffForces);                      //4
		Print("Test5 - Error Relative L2 norm FY ");
		uassert(fy.getRelativeL2Norm()  < MaximumDiffForces);                       //5
		Print("Test6 - Error RMS L2 norm FY ");
		uassert(fy.getRMSError() < MaximumDiffForces);                      //6
		Print("Test7 - Error Relative L2 norm FZ ");
		uassert(fz.getRelativeL2Norm()  < MaximumDiffForces);                      //8
		Print("Test8 - Error RMS L2 norm FZ ");
		uassert(fz.getRMSError() < MaximumDiffForces);                                           //8
		Print("Test9 - Error Relative L2 norm F ");
		uassert(L2error              < MaximumDiffForces);                                            //9   Total Force
		Print("Test10 - Relative error Energy ");
		uassert(FMath::Abs(energy-energyD) /energyD< MaximumDiffPotential);                     //10  Total Energy
	}

	/** If memstas is running print the memory used */
	void PostTest() {
		if( FMemStats::controler.isUsed() ){
			std::cout << "Memory used at the end " << FMemStats::controler.getCurrentAllocated() << " Bytes (" << FMemStats::controler.getCurrentAllocatedMB() << "MB)\n";
			std::cout << "Max memory used " << FMemStats::controler.getMaxAllocated() << " Bytes (" << FMemStats::controler.getMaxAllocatedMB() << "MB)\n";
			std::cout << "Total memory used " << FMemStats::controler.getTotalAllocated() << " Bytes (" << FMemStats::controler.getTotalAllocatedMB() << "MB)\n";
		}
	}

	///////////////////////////////////////////////////////////
	// The tests!
	///////////////////////////////////////////////////////////

	static const int P = 9;

	/** Rotation */
	void TestRotation(){
225
        typedef double FReal;
226
        typedef FTypedRotationCell<FReal,P>    CellClass;
227
		typedef FP2PParticleContainerIndexed<FReal>  ContainerClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
228

229
        typedef FRotationKernel<FReal, CellClass, ContainerClass, P >          KernelClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
230

231
        typedef FTypedLeaf<FReal,ContainerClass >                     LeafClass;
232
		typedef FOctree<FReal, CellClass, ContainerClass , LeafClass >  OctreeClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
233 234 235

		typedef FFmmAlgorithmTsm<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;

236
        RunTest<FReal, CellClass, ContainerClass, KernelClass, LeafClass, OctreeClass, FmmClass>();
COULAUD Olivier's avatar
COULAUD Olivier committed
237 238 239
	}

	void TestRotationThread(){
240
        typedef double FReal;
241
        typedef FTypedRotationCell<FReal,P>    CellClass;
242
		typedef FP2PParticleContainerIndexed<FReal>  ContainerClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
243

244
        typedef FRotationKernel<FReal, CellClass, ContainerClass, P >          KernelClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
245

246
        typedef FTypedLeaf<FReal,ContainerClass >                     LeafClass;
247
		typedef FOctree<FReal, CellClass, ContainerClass , LeafClass >  OctreeClass;
COULAUD Olivier's avatar
COULAUD Olivier committed
248 249 250

		typedef FFmmAlgorithmThreadTsm<OctreeClass, CellClass, ContainerClass, KernelClass, LeafClass > FmmClass;

251
        RunTest<FReal, CellClass, ContainerClass, KernelClass, LeafClass, OctreeClass, FmmClass>();
COULAUD Olivier's avatar
COULAUD Olivier committed
252 253 254 255 256 257 258 259 260 261 262
	}

	///////////////////////////////////////////////////////////
	// Set the tests!
	///////////////////////////////////////////////////////////

	/** set test */
	void SetTests(){
		AddTest(&TestRotationDirectTsm::TestRotation,"Test Rotation Kernel TSM");
		AddTest(&TestRotationDirectTsm::TestRotationThread,"Test Rotation Kernel TSM thread");
	}
263 264 265 266 267 268 269 270
};


// You must do this
TestClass(TestRotationDirectTsm)