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25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 #ifndef G4INCLClusteringModelIntercomparison_h 38 #ifndef G4INCLClusteringModelIntercomparison_hh
39 #define G4INCLClusteringModelIntercomparison_h 39 #define G4INCLClusteringModelIntercomparison_hh 1
40 40
41 #ifdef INCLXX_IN_GEANT4_MODE 41 #ifdef INCLXX_IN_GEANT4_MODE
42 #define INCL_CACHING_CLUSTERING_MODEL_INTERCOM 42 #define INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_Set 1
43 #endif // INCLXX_IN_GEANT4_MODE 43 #endif // INCLXX_IN_GEANT4_MODE
44 44
45 #include "G4INCLIClusteringModel.hh" 45 #include "G4INCLIClusteringModel.hh"
46 #include "G4INCLParticle.hh" 46 #include "G4INCLParticle.hh"
47 #include "G4INCLParticleTable.hh" 47 #include "G4INCLParticleTable.hh"
48 #include "G4INCLCluster.hh" 48 #include "G4INCLCluster.hh"
49 #include "G4INCLNucleus.hh" 49 #include "G4INCLNucleus.hh"
50 #include "G4INCLKinematicsUtils.hh" 50 #include "G4INCLKinematicsUtils.hh"
51 #include "G4INCLHashing.hh" 51 #include "G4INCLHashing.hh"
52 52
53 #include <set> 53 #include <set>
54 #include <algorithm> 54 #include <algorithm>
55 55
56 namespace G4INCL { 56 namespace G4INCL {
57 57
58 /** \brief Container for the relevant inform 58 /** \brief Container for the relevant information
59 * 59 *
60 * This struct contains all the information 60 * This struct contains all the information that is relevant for the
61 * clustering algorithm. It is probably more 61 * clustering algorithm. It is probably more compact than the Particles it
62 * feeds on, hopefully improving cache perfo 62 * feeds on, hopefully improving cache performance.
63 */ 63 */
64 struct ConsideredPartner { 64 struct ConsideredPartner {
65 Particle *particle; 65 Particle *particle;
66 G4bool isTargetSpectator; 66 G4bool isTargetSpectator;
67 G4int Z; 67 G4int Z;
68 G4int S; <<
69 ThreeVector position; 68 ThreeVector position;
70 ThreeVector momentum; 69 ThreeVector momentum;
71 G4double energy; 70 G4double energy;
72 G4double potentialEnergy; 71 G4double potentialEnergy;
73 72
74 ConsideredPartner() : 73 ConsideredPartner() :
75 particle(NULL), 74 particle(NULL),
76 isTargetSpectator(false), 75 isTargetSpectator(false),
77 Z(0), 76 Z(0),
78 S(0), <<
79 energy(0.), 77 energy(0.),
80 potentialEnergy(0.) 78 potentialEnergy(0.)
81 {} 79 {}
82 80
83 ConsideredPartner(Particle * const p) : 81 ConsideredPartner(Particle * const p) :
84 particle(p), 82 particle(p),
85 isTargetSpectator(particle->isTargetSpec 83 isTargetSpectator(particle->isTargetSpectator()),
86 Z(particle->getZ()), 84 Z(particle->getZ()),
87 S(particle->getS()), <<
88 position(particle->getPosition()), 85 position(particle->getPosition()),
89 momentum(particle->getMomentum()), 86 momentum(particle->getMomentum()),
90 energy(particle->getEnergy()), 87 energy(particle->getEnergy()),
91 potentialEnergy(particle->getPotentialEn 88 potentialEnergy(particle->getPotentialEnergy())
92 {} 89 {}
93 }; 90 };
94 91
95 /// \brief Cluster coalescence algorithm use 92 /// \brief Cluster coalescence algorithm used in the IAEA intercomparison
96 class ClusteringModelIntercomparison : publi 93 class ClusteringModelIntercomparison : public IClusteringModel {
97 public: 94 public:
98 ClusteringModelIntercomparison(Config cons 95 ClusteringModelIntercomparison(Config const * const theConfig) :
99 theNucleus(NULL), 96 theNucleus(NULL),
100 selectedA(0), 97 selectedA(0),
101 selectedZ(0), 98 selectedZ(0),
102 selectedS(0), <<
103 sqtot(0.), 99 sqtot(0.),
104 cascadingEnergyPool(0.), 100 cascadingEnergyPool(0.),
105 protonMass(ParticleTable::getRealMass(Pr 101 protonMass(ParticleTable::getRealMass(Proton)),
106 neutronMass(ParticleTable::getRealMass(N 102 neutronMass(ParticleTable::getRealMass(Neutron)),
107 lambdaMass(ParticleTable::getRealMass(La <<
108 runningMaxClusterAlgorithmMass(theConfig 103 runningMaxClusterAlgorithmMass(theConfig->getClusterMaxMass()),
109 nConsideredMax(0), 104 nConsideredMax(0),
110 nConsidered(0), 105 nConsidered(0),
111 consideredPartners(NULL), 106 consideredPartners(NULL),
112 isInRunningConfiguration(NULL), 107 isInRunningConfiguration(NULL),
113 maxMassConfigurationSkipping(ParticleTab 108 maxMassConfigurationSkipping(ParticleTable::maxClusterMass)
114 { 109 {
115 // Set up the maximum charge and neutron 110 // Set up the maximum charge and neutron number for clusters
116 clusterZMaxAll = 0; 111 clusterZMaxAll = 0;
117 clusterNMaxAll = 0; 112 clusterNMaxAll = 0;
118 for(G4int A=0; A<=runningMaxClusterAlgor 113 for(G4int A=0; A<=runningMaxClusterAlgorithmMass; ++A) {
119 if(clusterZMax[A]>clusterZMaxAll) 114 if(clusterZMax[A]>clusterZMaxAll)
120 clusterZMaxAll = clusterZMax[A]; 115 clusterZMaxAll = clusterZMax[A];
121 if(A-clusterZMin[A]>clusterNMaxAll) 116 if(A-clusterZMin[A]>clusterNMaxAll)
122 clusterNMaxAll = A-clusterZMin[A]; 117 clusterNMaxAll = A-clusterZMin[A];
123 } 118 }
124 std::fill(candidateConfiguration, 119 std::fill(candidateConfiguration,
125 candidateConfiguration + Parti 120 candidateConfiguration + ParticleTable::maxClusterMass,
126 static_cast<Particle*>(NULL)); 121 static_cast<Particle*>(NULL));
127 122
128 std::fill(runningEnergies, 123 std::fill(runningEnergies,
129 runningEnergies + ParticleTabl 124 runningEnergies + ParticleTable::maxClusterMass,
130 0.0); 125 0.0);
131 126
132 std::fill(runningPotentials, 127 std::fill(runningPotentials,
133 runningPotentials + ParticleTa 128 runningPotentials + ParticleTable::maxClusterMass,
134 0.0); 129 0.0);
135 130
136 std::fill(runningConfiguration, 131 std::fill(runningConfiguration,
137 runningConfiguration + Particl 132 runningConfiguration + ParticleTable::maxClusterMass,
138 -1); 133 -1);
139 134
140 } 135 }
141 136
142 virtual ~ClusteringModelIntercomparison() 137 virtual ~ClusteringModelIntercomparison() {
143 delete [] consideredPartners; 138 delete [] consideredPartners;
144 delete [] isInRunningConfiguration; 139 delete [] isInRunningConfiguration;
145 } 140 }
146 141
147 virtual Cluster* getCluster(Nucleus*, Part 142 virtual Cluster* getCluster(Nucleus*, Particle*);
148 virtual G4bool clusterCanEscape(Nucleus co 143 virtual G4bool clusterCanEscape(Nucleus const * const, Cluster const * const);
149 144
150 private: 145 private:
151 void findClusterStartingFrom(const G4int o << 146 void findClusterStartingFrom(const G4int oldA, const G4int oldZ);
152 G4double getPhaseSpace(const G4int oldA, C 147 G4double getPhaseSpace(const G4int oldA, ConsideredPartner const &p);
153 148
154 Nucleus *theNucleus; 149 Nucleus *theNucleus;
155 150
156 G4double runningEnergies[ParticleTable::ma 151 G4double runningEnergies[ParticleTable::maxClusterMass+1];
157 ThreeVector runningMomenta[ParticleTable:: 152 ThreeVector runningMomenta[ParticleTable::maxClusterMass+1];
158 ThreeVector runningPositions[ParticleTable 153 ThreeVector runningPositions[ParticleTable::maxClusterMass+1];
159 G4double runningPotentials[ParticleTable:: 154 G4double runningPotentials[ParticleTable::maxClusterMass+1];
160 #if defined(INCL_CACHING_CLUSTERING_MODEL_INTE 155 #if defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_HashMask)
161 Hashing::NucleonItem runningConfiguration[ 156 Hashing::NucleonItem runningConfiguration[ParticleTable::maxClusterMass];
162 #elif defined(INCL_CACHING_CLUSTERING_MODEL_IN 157 #elif defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_Set) || defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_None)
163 G4int runningConfiguration[ParticleTable:: 158 G4int runningConfiguration[ParticleTable::maxClusterMass];
164 #else 159 #else
165 #error Unrecognized INCL_CACHING_CLUSTERING_MO 160 #error Unrecognized INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON. Allowed values are: Set, HashMask, None.
166 #endif 161 #endif
167 162
168 G4int selectedA, selectedZ, selectedS; << 163 G4int selectedA, selectedZ;
169 G4double sqtot; 164 G4double sqtot;
170 165
171 G4int clusterZMaxAll, clusterNMaxAll; 166 G4int clusterZMaxAll, clusterNMaxAll;
172 167
173 G4double cascadingEnergyPool; 168 G4double cascadingEnergyPool;
174 169
175 /// \brief Lower limit of Z for cluster of 170 /// \brief Lower limit of Z for cluster of mass A
176 static const G4int clusterZMin[ParticleTab 171 static const G4int clusterZMin[ParticleTable::maxClusterMass+1];
177 /// \brief Upper limit of Z for cluster of 172 /// \brief Upper limit of Z for cluster of mass A
178 static const G4int clusterZMax[ParticleTab 173 static const G4int clusterZMax[ParticleTable::maxClusterMass+1];
179 174
180 /// \brief Precomputed factor 1.0/A 175 /// \brief Precomputed factor 1.0/A
181 static const G4double clusterPosFact[Parti 176 static const G4double clusterPosFact[ParticleTable::maxClusterMass+1];
182 177
183 /// \brief Precomputed factor (1.0/A)^2 178 /// \brief Precomputed factor (1.0/A)^2
184 static const G4double clusterPosFact2[Part 179 static const G4double clusterPosFact2[ParticleTable::maxClusterMass+1];
185 180
186 /// \brief Phase-space parameters for clus 181 /// \brief Phase-space parameters for cluster formation
187 static const G4double clusterPhaseSpaceCut 182 static const G4double clusterPhaseSpaceCut[ParticleTable::maxClusterMass+1];
188 183
189 static const G4double limitCosEscapeAngle; 184 static const G4double limitCosEscapeAngle;
190 185
191 const G4double protonMass; 186 const G4double protonMass;
192 const G4double neutronMass; 187 const G4double neutronMass;
193 const G4double lambdaMass; <<
194 188
195 G4int runningMaxClusterAlgorithmMass; 189 G4int runningMaxClusterAlgorithmMass;
196 190
197 G4int nConsideredMax; 191 G4int nConsideredMax;
198 G4int nConsidered; 192 G4int nConsidered;
199 193
200 /** \brief Array of considered cluster par 194 /** \brief Array of considered cluster partners
201 * 195 *
202 * A dynamical array of ConsideredPartner 196 * A dynamical array of ConsideredPartner objects is allocated on this
203 * variable and filled with pointers to nu 197 * variable and filled with pointers to nucleons which are eligible for
204 * clustering. We used to use a ParticleLi 198 * clustering. We used to use a ParticleList for this purpose, but this
205 * made it very cumbersome to check whethe 199 * made it very cumbersome to check whether nucleons had already been
206 * included in the running configuration. 200 * included in the running configuration. Using an array of Particle*
207 * coupled with a boolean mask (\see{isInR 201 * coupled with a boolean mask (\see{isInRunningConfiguration}) reduces the
208 * overhead by a large amount. Running ti 202 * overhead by a large amount. Running times for 1-GeV p+Pb208 went down
209 * by almost 30% (!). 203 * by almost 30% (!).
210 * 204 *
211 * Lesson learnt: when you need speed, not 205 * Lesson learnt: when you need speed, nothing beats a good ol' array.
212 */ 206 */
213 ConsideredPartner *consideredPartners; 207 ConsideredPartner *consideredPartners;
214 208
215 /** \brief Array of flags for nucleons in 209 /** \brief Array of flags for nucleons in the running configuration
216 * 210 *
217 * Clustering partners that are already us 211 * Clustering partners that are already used in the running cluster
218 * configuration are flagged as "true" in 212 * configuration are flagged as "true" in this array.
219 */ 213 */
220 G4bool *isInRunningConfiguration; 214 G4bool *isInRunningConfiguration;
221 215
222 /** \brief Best cluster configuration 216 /** \brief Best cluster configuration
223 * 217 *
224 * This array contains pointers to the nuc 218 * This array contains pointers to the nucleons which make up the best
225 * cluster configuration that has been fou 219 * cluster configuration that has been found so far.
226 */ 220 */
227 Particle *candidateConfiguration[ParticleT 221 Particle *candidateConfiguration[ParticleTable::maxClusterMass];
228 222
229 #if defined(INCL_CACHING_CLUSTERING_MODEL_INTE 223 #if defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_HashMask)
230 typedef std::set<Hashing::HashType> HashCo 224 typedef std::set<Hashing::HashType> HashContainer;
231 typedef HashContainer::iterator HashIterat 225 typedef HashContainer::iterator HashIterator;
232 226
233 /// \brief Array of containers for configu 227 /// \brief Array of containers for configurations that have already been checked
234 HashContainer checkedConfigurations[Partic 228 HashContainer checkedConfigurations[ParticleTable::maxClusterMass-2];
235 #elif defined(INCL_CACHING_CLUSTERING_MODEL_IN 229 #elif defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_Set)
236 /** \brief Class for storing and comparing 230 /** \brief Class for storing and comparing sorted nucleon configurations
237 * 231 *
238 * This class is actually just a wrapper a 232 * This class is actually just a wrapper around an array of Particle*
239 * pointers. It provides a lexicographical 233 * pointers. It provides a lexicographical comparison operator
240 * (SortedNucleonConfiguration::operator<) 234 * (SortedNucleonConfiguration::operator<) for inclusion in std::set
241 * containers. 235 * containers.
242 */ 236 */
243 class SortedNucleonConfiguration { 237 class SortedNucleonConfiguration {
244 public: 238 public:
245 // Use Particle* as nucleon identifier 239 // Use Particle* as nucleon identifiers
246 typedef G4int NucleonItem; 240 typedef G4int NucleonItem;
247 241
248 /// \brief Constructor 242 /// \brief Constructor
249 SortedNucleonConfiguration() : theSize 243 SortedNucleonConfiguration() : theSize(0), nucleons(NULL) {}
250 244
251 /// \brief Copy constructor 245 /// \brief Copy constructor
252 SortedNucleonConfiguration(const Sorte 246 SortedNucleonConfiguration(const SortedNucleonConfiguration &rhs) :
253 theSize(rhs.theSize), 247 theSize(rhs.theSize),
254 nucleons(new NucleonItem[theSize]) 248 nucleons(new NucleonItem[theSize])
255 { 249 {
256 std::copy(rhs.nucleons, rhs.nucleons+t 250 std::copy(rhs.nucleons, rhs.nucleons+theSize, nucleons);
257 } 251 }
258 252
259 /// \brief Destructor 253 /// \brief Destructor
260 ~SortedNucleonConfiguration() { 254 ~SortedNucleonConfiguration() {
261 delete [] nucleons; 255 delete [] nucleons;
262 } 256 }
263 257
264 /// \brief Helper method for the assig 258 /// \brief Helper method for the assignment operator
265 void swap(SortedNucleonConfiguration & 259 void swap(SortedNucleonConfiguration &rhs) {
266 std::swap(theSize, rhs.theSize); 260 std::swap(theSize, rhs.theSize);
267 std::swap(nucleons, rhs.nucleons); 261 std::swap(nucleons, rhs.nucleons);
268 } 262 }
269 263
270 /// \brief Assignment operator 264 /// \brief Assignment operator
271 SortedNucleonConfiguration &operator=( 265 SortedNucleonConfiguration &operator=(const SortedNucleonConfiguration &rhs) {
272 SortedNucleonConfiguration tempConfi 266 SortedNucleonConfiguration tempConfig(rhs);
273 swap(tempConfig); 267 swap(tempConfig);
274 return *this; 268 return *this;
275 } 269 }
276 270
277 /** \brief Order operator for SortedNu 271 /** \brief Order operator for SortedNucleonConfiguration
278 * 272 *
279 * The comparison is done lexicographi 273 * The comparison is done lexicographically (i.e. from the first
280 * element to the last). 274 * element to the last).
281 */ 275 */
282 G4bool operator<(const SortedNucleonCo 276 G4bool operator<(const SortedNucleonConfiguration &rhs) const {
283 // assert(theSize==rhs.theSize); 277 // assert(theSize==rhs.theSize);
284 return std::lexicographical_compare( 278 return std::lexicographical_compare(nucleons, nucleons+theSize, rhs.nucleons, rhs.nucleons+theSize);
285 } 279 }
286 280
287 /// \brief Fill configuration with arr 281 /// \brief Fill configuration with array of NucleonItem
288 void fill(NucleonItem *config, size_t 282 void fill(NucleonItem *config, size_t n) {
289 theSize = n; 283 theSize = n;
290 nucleons = new NucleonItem[theSize]; 284 nucleons = new NucleonItem[theSize];
291 std::copy(config, config+theSize, nu 285 std::copy(config, config+theSize, nucleons);
292 std::sort(nucleons, nucleons+theSize 286 std::sort(nucleons, nucleons+theSize);
293 } 287 }
294 288
295 private: 289 private:
296 /// \brief Size of the array 290 /// \brief Size of the array
297 size_t theSize; 291 size_t theSize;
298 292
299 /// \brief The real array 293 /// \brief The real array
300 NucleonItem *nucleons; 294 NucleonItem *nucleons;
301 }; 295 };
302 296
303 typedef std::set<SortedNucleonConfiguratio 297 typedef std::set<SortedNucleonConfiguration> SortedNucleonConfigurationContainer;
304 typedef SortedNucleonConfigurationContaine 298 typedef SortedNucleonConfigurationContainer::iterator SortedNucleonConfigurationIterator;
305 299
306 /// \brief Array of containers for configu 300 /// \brief Array of containers for configurations that have already been checked
307 SortedNucleonConfigurationContainer checke 301 SortedNucleonConfigurationContainer checkedConfigurations[ParticleTable::maxClusterMass-2];
308 #elif !defined(INCL_CACHING_CLUSTERING_MODEL_I 302 #elif !defined(INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON_None)
309 #error Unrecognized INCL_CACHING_CLUSTERING_MO 303 #error Unrecognized INCL_CACHING_CLUSTERING_MODEL_INTERCOMPARISON. Allowed values are: Set, HashMask, None.
310 #endif 304 #endif
311 305
312 /** \brief Maximum mass for configuration 306 /** \brief Maximum mass for configuration storage
313 * 307 *
314 * Skipping configurations becomes ineffic 308 * Skipping configurations becomes inefficient above this mass.
315 */ 309 */
316 G4int maxMassConfigurationSkipping; 310 G4int maxMassConfigurationSkipping;
317 }; 311 };
318 312
319 } 313 }
320 314
321 #endif 315 #endif
322 316