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