 Timestamp:
 Mar 25, 2011 1:20:10 PM (8 years ago)
 Location:
 trunk/Cbc/src
 Files:

 2 edited
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trunk/Cbc/src/CbcSolver.cpp
r1621 r1622 1099 1099 1100 1100 int CbcClpUnitTest (const CbcModel & saveModel, 1101 std::string& dirMiplib, int testSwitch,1102 double * stuff);1101 const std::string& dirMiplib, int testSwitch, 1102 const double * stuff); 1103 1103 1104 1104 int CbcMain1 (int argc, const char *argv[], 
trunk/Cbc/src/unitTestClp.cpp
r1573 r1622 8 8 #include <string> 9 9 #include <iostream> 10 #include <iomanip> 10 11 11 12 #include "CoinTime.hpp" … … 82 83 83 84 //############################################################################# 84 // testSwitch 2 unitTest, 1 normal (==2) 85 int CbcClpUnitTest (const CbcModel & saveModel, std::string& dirMiplib, 86 int testSwitch, 87 double * stuff) 85 /* 86 jjf: testSwitch 2 unitTest, 1 normal (==2) 87 88 MiplibTest might be more appropriate. 89 90 TestSwitch and stuff[6] together control how much of miplib is executed: 91 For testSwitch set to: 92 2: solve p0033 and p0201 only (the unit test) 93 1: solve miplib sets #0 and #1 94 0: solve nothing 95 k: execute sets j:k, where j is determined by the value of stuff[6] 96 The last parameter of PUSH_MPS specifies the test set membership. 97 98 For miplib, extra2 sets testSwitch, extra3 sets stuff[6]. The command 99 cbc extra2 2 miplib 100 will execute the unit test on the miplib directory. 101 102 dirMiplib should end in the directory separator character for the platform. 103 104 If you want to activate the row cut debugger for a given problem, change the 105 last parameter of the PUSH_MPS macro for the problem to true. 106 107 Returns 0 if all goes well, 1 if the Miplib directory is missing, otherwise 108 100*(number with bad objective)+(number that exceeded node limit) 109 */ 110 int CbcClpUnitTest (const CbcModel &saveModel, const std::string &dirMiplib, 111 int testSwitch, const double *stuff) 88 112 { 89 // Stop Windows popup 90 WindowsErrorPopupBlocker(); 91 unsigned int m ; 92 93 // Set directory containing miplib data files. 94 std::string test1 = dirMiplib + "p0033"; 95 // See if files exist 96 bool doTest = CbcTestMpsFile(test1); 97 98 if (!doTest) { 99 printf("Not doing miplib run as can't find mps files  ? .gz without libz\n"); 100 return 1; 101 } 102 /* 103 Vectors to hold test problem names and characteristics. The objective value 104 after optimization (objValue) must agree to the specified tolerance 105 (objValueTol). 106 */ 113 // Stop Windows popup 114 WindowsErrorPopupBlocker() ; 115 unsigned int m ; 116 117 // Do an existence check. 118 std::string test1 = dirMiplib+"p0033"; 119 bool doTest = CbcTestMpsFile(test1); 120 if (!doTest) { 121 std::cout 122 << "Not doing miplib run as can't find mps files." << std::endl 123 << "Perhaps you're trying to read gzipped (.gz) files without libz?" 124 << std::endl ; 125 return (1) ; 126 } 127 int dfltPrecision = std::cout.precision() ; 128 /* 129 Set the range of problems to be tested. testSwitch = 2 is special and is 130 picked up below. 131 */ 132 int loSet = 0 ; 133 int hiSet = 0 ; 134 if (testSwitch == 1) { 135 loSet = 0 ; 136 hiSet = 1 ; 137 } else if (testSwitch >= 0) { 138 loSet = static_cast<int>(stuff[6]) ; 139 hiSet = testSwitch ; 140 std::cout 141 << "Solving miplib problems in sets " << loSet 142 << ":" << hiSet << "." << std::endl ; 143 } 144 /* 145 Vectors to hold test problem names and characteristics. 146 */ 107 147 std::vector<std::string> mpsName ; 108 148 std::vector<int> nRows ; … … 111 151 std::vector<double> objValue ; 112 152 std::vector<int> testSet ; 113 /* 114 And a macro to make the vector creation marginally readable. 115 */ 153 std::vector<bool> rowCutDebugger ; 154 /* 155 A macro to make the vector creation marginally readable. Parameters are 156 name, rows, columns, integer objective, continuous objective, set ID, 157 row cut debugger 158 159 To enable the row cut debugger for a given problem, change the last 160 parameter to true. Don't forget to turn it off before committing changes! 161 */ 116 162 #define PUSH_MPS(zz_mpsName_zz,\ 117 163 zz_nRows_zz,zz_nCols_zz,zz_objValue_zz,zz_objValueC_zz, \ 118 zz_testSet_zz ) \164 zz_testSet_zz, zz_rcDbg_zz) \ 119 165 mpsName.push_back(zz_mpsName_zz) ; \ 120 166 nRows.push_back(zz_nRows_zz) ; \ … … 122 168 objValueC.push_back(zz_objValueC_zz) ; \ 123 169 testSet.push_back(zz_testSet_zz) ; \ 124 objValue.push_back(zz_objValue_zz) ; 125 int loSwitch = 0; 126 if (testSwitch == 2) { 127 PUSH_MPS("p0033", 16, 33, 3089, 2520.57, 0); 128 PUSH_MPS("p0201", 133, 201, 7615, 6875.0, 0); 129 testSwitch = 0; 170 objValue.push_back(zz_objValue_zz) ; \ 171 rowCutDebugger.push_back(zz_rcDbg_zz) ; 172 /* 173 Push the miplib problems. Except for 2 (unitTest), push all, even if we're 174 not going to do all of them. 175 */ 176 if (testSwitch == 2) { 177 PUSH_MPS("p0033", 16, 33, 3089, 2520.57, 0, false); 178 PUSH_MPS("p0201", 133, 201, 7615, 6875.0, 0, false); 179 // PUSH_MPS("flugpl", 18, 18, 1201500, 1167185.7, 0, false); 180 } else { 181 /* 182 Load up the problem vector. Note that the row counts here include the 183 objective function. 184 */ 185 PUSH_MPS("10teams", 230, 2025, 924, 917, 1, false); 186 PUSH_MPS("air03", 124, 10757, 340160, 338864.25, 0, false); 187 PUSH_MPS("air04", 823, 8904, 56137, 55535.436, 2, false); 188 PUSH_MPS("air05", 426, 7195, 26374, 25877.609, 2, false); 189 PUSH_MPS("arki001", 1048, 1388, 7580813.0459, 7579599.80787, 7, false); 190 PUSH_MPS("bell3a", 123, 133, 878430.32, 862578.64, 0, false); 191 PUSH_MPS("bell5", 91, 104, 8966406.49, 8608417.95, 1, false); 192 PUSH_MPS("blend2", 274, 353, 7.598985, 6.9156751140, 0, false); 193 PUSH_MPS("cap6000", 2176, 6000, 2451377, 2451537.325, 1, false); 194 PUSH_MPS("dano3mip", 3202, 13873, 728.1111, 576.23162474, 7, false); 195 PUSH_MPS("danoint", 664, 521, 65.67, 62.637280418, 6, false); 196 PUSH_MPS("dcmulti", 290, 548, 188182, 183975.5397, 0, false); 197 PUSH_MPS("dsbmip", 1182, 1886, 305.19817501, 305.19817501, 0, false); 198 PUSH_MPS("egout", 98, 141, 568.101, 149.589, 0, false); 199 PUSH_MPS("enigma", 21, 100, 0.0, 0.0, 0, false); 200 PUSH_MPS("fast0507", 507, 63009, 174, 172.14556668, 5, false); 201 PUSH_MPS("fiber", 363, 1298, 405935.18000, 156082.51759, 0, false); 202 PUSH_MPS("fixnet6", 478, 878, 3983, 1200.88, 1, false); 203 PUSH_MPS("flugpl", 18, 18, 1201500, 1167185.7, 0, false); 204 PUSH_MPS("gen", 780, 870, 112313, 112130.0, 0, false); 205 PUSH_MPS("gesa2", 1392, 1224, 25779856.372, 25476489.678, 1, false); 206 PUSH_MPS("gesa2_o", 1248, 1224, 25779856.372, 25476489.678, 1, false); 207 PUSH_MPS("gesa3", 1368, 1152, 27991042.648, 27833632.451, 0, false); 208 PUSH_MPS("gesa3_o", 1224, 1152, 27991042.648, 27833632.451, 0, false); 209 PUSH_MPS("gt2", 29, 188, 21166.000, 13460.233074, 0, false); 210 PUSH_MPS("harp2", 112, 2993, 73899798.00, 74353341.502, 6, false); 211 PUSH_MPS("khb05250", 101, 1350, 106940226, 95919464.0, 0, false); 212 PUSH_MPS("l152lav", 97, 1989, 4722, 4656.36, 1, false); 213 PUSH_MPS("lseu", 28, 89, 1120, 834.68, 0, false); 214 PUSH_MPS("mas74", 13, 151, 11801.18573, 10482.79528, 3, false); 215 PUSH_MPS("mas76", 12, 151, 40005.05414, 38893.9036, 2, false); 216 PUSH_MPS("misc03", 96, 160, 3360, 1910., 0, false); 217 PUSH_MPS("misc06", 820, 1808, 12850.8607, 12841.6, 0, false); 218 PUSH_MPS("misc07", 212, 260, 2810, 1415.0, 1, false); 219 PUSH_MPS("mitre", 2054, 10724, 115155, 114740.5184, 1, false); 220 PUSH_MPS("mkc", 3411, 5325, 553.75, 611.85, 7, false); // suboptimal 221 PUSH_MPS("mod008", 6, 319, 307, 290.9, 0, false); 222 PUSH_MPS("mod010", 146, 2655, 6548, 6532.08, 0, false); 223 PUSH_MPS("mod011", 4480, 10958, 54558535, 62121982.55, 2, false); 224 PUSH_MPS("modglob", 291, 422, 20740508, 20430947., 2, false); 225 PUSH_MPS("noswot", 182, 128, 43, 43.0, 6, false); 226 PUSH_MPS("nw04", 36, 87482, 16862, 16310.66667, 1, false); 227 PUSH_MPS("p0033", 16, 33, 3089, 2520.57, 0, false); 228 PUSH_MPS("p0201", 133, 201, 7615, 6875.0, 0, false); 229 PUSH_MPS("p0282", 241, 282, 258411, 176867.50, 0, false); 230 PUSH_MPS("p0548", 176, 548, 8691, 315.29, 0, false); 231 PUSH_MPS("p2756", 755, 2756, 3124, 2688.75, 0, false); 232 PUSH_MPS("pk1", 45, 86, 11.0, 0.0, 2, false); 233 PUSH_MPS("pp08a", 136, 240, 7350.0, 2748.3452381, 1, false); 234 PUSH_MPS("pp08aCUTS", 246, 240, 7350.0, 5480.6061563, 1, false); 235 PUSH_MPS("qiu", 1192, 840, 132.873137, 931.638857, 3, false); 236 PUSH_MPS("qnet1", 503, 1541, 16029.692681, 14274.102667, 0, false); 237 PUSH_MPS("qnet1_o", 456, 1541, 16029.692681, 12095.571667, 0, false); 238 PUSH_MPS("rentacar", 6803, 9557, 30356761, 28806137.644, 0, false); 239 PUSH_MPS("rgn", 24, 180, 82.1999, 48.7999, 0, false); 240 PUSH_MPS("rout", 291, 556, 1077.56, 981.86428571, 3, false); 241 PUSH_MPS("set1ch", 492, 712, 54537.75, 32007.73, 5, false); 242 PUSH_MPS("seymour", 4944, 1372, 423, 403.84647413, 7, false); 243 PUSH_MPS("seymour_1", 4944, 1372, 410.76370, 403.84647413, 5, false); 244 PUSH_MPS("stein27", 118, 27, 18, 13.0, 0, false); 245 PUSH_MPS("stein45", 331, 45, 30, 22.0, 1, false); 246 PUSH_MPS("swath", 884, 6805, 497.603, 334.4968581, 7, false); 247 PUSH_MPS("vpm1", 234, 378, 20, 15.4167, 0, false); 248 PUSH_MPS("vpm2", 234, 378, 13.75, 9.8892645972, 0, false); 249 } 250 #undef PUSH_MPS 251 252 /* 253 Normally the problems are executed in order. Define RANDOM_ORDER below to 254 randomize. 255 256 #define RANDOM_ORDER 257 */ 258 int which[100]; 259 int nLoop = static_cast<int>(mpsName.size()); 260 assert (nLoop <= 100); 261 for (int i = 0; i < nLoop; i++) which[i] = i; 262 263 # ifdef RANDOM_ORDER 264 unsigned int iTime = static_cast<unsigned int>(CoinGetTimeOfDay()1.256e9); 265 std::cout << "Time (seed) " << iTime << "." << std::endl ; 266 double sort[100]; 267 CoinDrand48(true,iTime); 268 for (int i = 0; i < nLoop; i++) sort[i] = CoinDrand48(); 269 CoinSort_2(sort,sort+nLoop,which); 270 # endif 271 272 int problemCnt = 0; 273 for (m = 0 ; m < mpsName.size() ; m++) { 274 int setID = testSet[m]; 275 if (loSet <= setID && setID <= hiSet) problemCnt++; 276 } 277 278 int numberFailures = 0; 279 int numberAttempts = 0; 280 int numProbSolved = 0; 281 double timeTaken = 0.0; 282 283 //#define CLP_FACTORIZATION_INSTRUMENT 284 # ifdef CLP_FACTORIZATION_INSTRUMENT 285 double timeTakenFac = 0.0; 286 # endif 287 288 /* 289 Open the main loop to step through the MPS problems. 290 */ 291 for (unsigned int mw = 0 ; mw < mpsName.size() ; mw++) { 292 m = which[mw]; 293 int setID = testSet[m]; 294 // Skip if problem is not in specified problem set(s) 295 if (!(loSet <= setID && setID <= hiSet)) continue ; 296 297 numberAttempts++; 298 std::cout << " processing mps file: " << mpsName[m] 299 << " (" << numberAttempts << " out of " 300 << problemCnt << ")" << std::endl ; 301 /* 302 Stage 1: Read the MPS and make sure the size of the constraint matrix 303 is correct. 304 */ 305 CbcModel *model = new CbcModel(saveModel) ; 306 307 std::string fn = dirMiplib+mpsName[m] ; 308 if (!CbcTestMpsFile(fn)) { 309 std::cout << "ERROR: Cannot find MPS file " << fn << "." << std::endl ; 310 continue; 311 } 312 model>solver()>readMps(fn.c_str(), "") ; 313 assert(model>getNumRows() == nRows[m]) ; 314 assert(model>getNumCols() == nCols[m]) ; 315 316 // Careful! We're initialising for the benefit of other code. 317 CoinDrand48(true,1234567); 318 //printf("RAND1 %g %g\n",CoinDrand48(true,1234567),model>randomNumberGenerator()>randomDouble()); 319 //printf("RAND1 %g\n",CoinDrand48(true,1234567)); 320 321 // Higher limits for the serious problems. 322 int testMaximumNodes = 200000; 323 if (hiSet > 1) 324 testMaximumNodes = 20000000; 325 if (model>getMaximumNodes() > testMaximumNodes) { 326 model>setMaximumNodes(testMaximumNodes); 327 } 328 /* 329 Stage 2: Call solver to solve the problem. 330 */ 331 332 # ifdef CLP_FACTORIZATION_INSTRUMENT 333 extern double factorization_instrument(int type); 334 double facTime1 = factorization_instrument(0); 335 std::cout 336 << "Factorization  initial solve " << facTime1 << " seconds." 337 << std::endl ; 338 timeTakenFac += facTime1; 339 # endif 340 341 double startTime = CoinCpuTime()+CoinCpuTimeJustChildren(); 342 343 // Setup specific to clp 344 OsiClpSolverInterface *siClp = 345 dynamic_cast<OsiClpSolverInterface *>(model>solver()) ; 346 ClpSimplex *modelC = NULL; 347 if (siClp) { 348 modelC = siClp>getModelPtr(); 349 ClpMatrixBase * matrix = modelC>clpMatrix(); 350 ClpPackedMatrix * clpMatrix = dynamic_cast< ClpPackedMatrix*>(matrix); 351 if (stuff && stuff[9] && clpMatrix) { 352 // vector matrix! 353 clpMatrix>makeSpecialColumnCopy(); 354 } 355 356 # ifdef JJF_ZERO 357 if (clpMatrix) { 358 int numberRows = clpMatrix>getNumRows(); 359 int numberColumns = clpMatrix>getNumCols(); 360 double * elements = clpMatrix>getMutableElements(); 361 const int * row = clpMatrix>getIndices(); 362 const CoinBigIndex * columnStart = clpMatrix>getVectorStarts(); 363 const int * columnLength = clpMatrix>getVectorLengths(); 364 double * smallest = new double [numberRows]; 365 double * largest = new double [numberRows]; 366 char * flag = new char [numberRows]; 367 CoinZeroN(flag, numberRows); 368 for (int i = 0; i < numberRows; i++) { 369 smallest[i] = COIN_DBL_MAX; 370 largest[i] = 0.0; 371 } 372 for (int iColumn = 0; iColumn < numberColumns; iColumn++) { 373 bool isInteger = modelC>isInteger(iColumn); 374 CoinBigIndex j; 375 for (j = columnStart[iColumn]; 376 j < columnStart[iColumn] + columnLength[iColumn]; j++) { 377 int iRow = row[j]; 378 double value = fabs(elements[j]); 379 if (!isInteger) 380 flag[iRow] = 1; 381 smallest[iRow] = CoinMin(smallest[iRow], value); 382 largest[iRow] = CoinMax(largest[iRow], value); 383 } 384 } 385 double * rowLower = modelC>rowLower(); 386 double * rowUpper = modelC>rowUpper(); 387 bool changed = false; 388 for (int i = 0; i < numberRows; i++) { 389 if (flag[i] && smallest[i] > 10.0 && false) { 390 smallest[i] = 1.0 / smallest[i]; 391 if (rowLower[i] > 1.0e20) 392 rowLower[i] *= smallest[i]; 393 if (rowUpper[i] < 1.0e20) 394 rowUpper[i] *= smallest[i]; 395 changed = true; 396 } else { 397 smallest[i] = 0.0; 398 } 399 } 400 if (changed) { 401 printf("SCALED\n"); 402 for (int iColumn = 0; iColumn < numberColumns; iColumn++) { 403 CoinBigIndex j; 404 for (j = columnStart[iColumn]; 405 j < columnStart[iColumn] + columnLength[iColumn]; j++) { 406 int iRow = row[j]; 407 if (smallest[iRow]) 408 elements[j] *= smallest[iRow]; 409 } 410 } 411 } 412 delete [] smallest; 413 delete [] largest; 414 delete [] flag; 415 } 416 # endif // JJF_ZERO 417 418 model>checkModel(); 419 modelC>tightenPrimalBounds(0.0, 0, true); 420 model>initialSolve(); 421 if (modelC>dualBound() == 1.0e10) { 422 // user did not set  so modify 423 // get largest scaled away from bound 424 ClpSimplex temp = *modelC; 425 temp.dual(0, 7); 426 double largestScaled = 1.0e12; 427 double largest = 1.0e12; 428 int numberRows = temp.numberRows(); 429 const double * rowPrimal = temp.primalRowSolution(); 430 const double * rowLower = temp.rowLower(); 431 const double * rowUpper = temp.rowUpper(); 432 const double * rowScale = temp.rowScale(); 433 int iRow; 434 for (iRow = 0; iRow < numberRows; iRow++) { 435 double value = rowPrimal[iRow]; 436 double above = value  rowLower[iRow]; 437 double below = rowUpper[iRow]  value; 438 if (above < 1.0e12) { 439 largest = CoinMax(largest, above); 440 } 441 if (below < 1.0e12) { 442 largest = CoinMax(largest, below); 443 } 444 if (rowScale) { 445 double multiplier = rowScale[iRow]; 446 above *= multiplier; 447 below *= multiplier; 448 } 449 if (above < 1.0e12) { 450 largestScaled = CoinMax(largestScaled, above); 451 } 452 if (below < 1.0e12) { 453 largestScaled = CoinMax(largestScaled, below); 454 } 455 } 456 457 int numberColumns = temp.numberColumns(); 458 const double * columnPrimal = temp.primalColumnSolution(); 459 const double * columnLower = temp.columnLower(); 460 const double * columnUpper = temp.columnUpper(); 461 const double * columnScale = temp.columnScale(); 462 int iColumn; 463 for (iColumn = 0; iColumn < numberColumns; iColumn++) { 464 double value = columnPrimal[iColumn]; 465 double above = value  columnLower[iColumn]; 466 double below = columnUpper[iColumn]  value; 467 if (above < 1.0e12) { 468 largest = CoinMax(largest, above); 469 } 470 if (below < 1.0e12) { 471 largest = CoinMax(largest, below); 472 } 473 if (columnScale) { 474 double multiplier = 1.0 / columnScale[iColumn]; 475 above *= multiplier; 476 below *= multiplier; 477 } 478 if (above < 1.0e12) { 479 largestScaled = CoinMax(largestScaled, above); 480 } 481 if (below < 1.0e12) { 482 largestScaled = CoinMax(largestScaled, below); 483 } 484 } 485 std::cout << "Largest (scaled) away from bound " << largestScaled 486 << " unscaled " << largest << std::endl; 487 # ifdef JJF_ZERO 488 modelC>setDualBound(CoinMax(1.0001e8, 489 CoinMin(1000.0*largestScaled,1.00001e10))); 490 # else 491 modelC>setDualBound(CoinMax(1.0001e9, 492 CoinMin(1000.0*largestScaled,1.0001e10))); 493 # endif 494 } 495 } // end clpspecific setup 496 /* 497 Cut passes: For small models (n < 500) always do 100 passes, if possible 498 (100). For larger models, use minimum drop to stop (100, 20). 499 */ 500 model>setMinimumDrop(CoinMin(5.0e2, 501 fabs(model>getMinimizationObjValue())*1.0e3+1.0e4)); 502 if (CoinAbs(model>getMaximumCutPassesAtRoot()) <= 100) { 503 if (model>getNumCols() < 500) { 504 model>setMaximumCutPassesAtRoot(100); 505 } else if (model>getNumCols() < 5000) { 506 model>setMaximumCutPassesAtRoot(100); 507 } else { 508 model>setMaximumCutPassesAtRoot(20); 509 } 510 } 511 // If defaults then increase trust for small models 512 if (model>numberStrong() == 5 && model>numberBeforeTrust() == 10) { 513 int numberColumns = model>getNumCols(); 514 if (numberColumns <= 50) { 515 model>setNumberBeforeTrust(1000); 516 } else if (numberColumns <= 100) { 517 model>setNumberBeforeTrust(100); 518 } else if (numberColumns <= 300) { 519 model>setNumberBeforeTrust(50); 520 } 521 } 522 //if (model>getNumCols()>=500) { 523 // switch off Clp stuff 524 //model>setFastNodeDepth(1); 525 //} 526 /* 527 Activate the row cut debugger, if requested. 528 */ 529 if (rowCutDebugger[m] == true) { 530 std::string probName ; 531 model>solver()>getStrParam(OsiProbName,probName) ; 532 model>solver()>activateRowCutDebugger(probName.c_str()) ; 533 if (model>solver()>getRowCutDebugger()) 534 std::cout << "Row cut debugger activated for " ; 535 else 536 std::cout << "Failed to activate row cut debugger for " ; 537 std::cout << mpsName[m] << "." << std::endl ; 538 } 539 setCutAndHeuristicOptions(*model) ; 540 /* 541 More clpspecific setup. 542 */ 543 if (siClp) { 544 # ifdef CLP_MULTIPLE_FACTORIZATIONS 545 if (!modelC>factorization()>isDenseOrSmall()) { 546 int denseCode = stuff ? static_cast<int> (stuff[4]) : 1; 547 int smallCode = stuff ? static_cast<int> (stuff[10]) : 1; 548 if (stuff && stuff[8] >= 1) { 549 if (denseCode < 0) 550 denseCode = 40; 551 if (smallCode < 0) 552 smallCode = 40; 553 } 554 if (denseCode > 0) 555 modelC>factorization()>setGoDenseThreshold(denseCode); 556 if (smallCode > 0) 557 modelC>factorization()>setGoSmallThreshold(smallCode); 558 if (denseCode >= modelC>numberRows()) { 559 //printf("problem going dense\n"); 560 //modelC>factorization()>goDenseOrSmall(modelC>numberRows()); 561 } 562 } 563 # endif 564 if (stuff && stuff[8] >= 1) { 565 if (modelC>numberColumns() + modelC>numberRows() <= 10000 && 566 model>fastNodeDepth() == 1) 567 model>setFastNodeDepth(9); 568 } 569 } 570 //OsiObject * obj = new CbcBranchToFixLots(model,0.3,0.0,3,3000003); 571 //model>addObjects(1,&obj); 572 //delete obj; 573 /* 574 Finally, the actual call to solve the MIP with branchandcut. 575 */ 576 model>branchAndBound(); 577 578 # ifdef CLP_FACTORIZATION_INSTRUMENT 579 double facTime = factorization_instrument(0); 580 std::cout << "Factorization " << facTime << " seconds." << std::endl , 581 timeTakenFac += facTime; 582 # endif 583 584 /* 585 Stage 3: Do the statistics and check the answer. 586 */ 587 double timeOfSolution = CoinCpuTime()+CoinCpuTimeJustChildren()startTime; 588 std::cout 589 << "Cuts at root node changed objective from " 590 << model>getContinuousObjective() << " to " 591 << model>rootObjectiveAfterCuts() << std::endl ; 592 int numberGenerators = model>numberCutGenerators(); 593 for (int iGenerator = 0 ; iGenerator < numberGenerators ; iGenerator++) { 594 CbcCutGenerator *generator = model>cutGenerator(iGenerator); 595 # ifdef CLIQUE_ANALYSIS 596 # ifndef CLP_INVESTIGATE 597 CglImplication *implication = 598 dynamic_cast<CglImplication*>(generator>generator()); 599 if (implication) continue; 600 # endif 601 # endif 602 std::cout 603 << generator>cutGeneratorName() << " was tried " 604 << generator>numberTimesEntered() << " times and created " 605 << generator>numberCutsInTotal() << " cuts of which " 606 << generator>numberCutsActive() 607 << " were active after adding rounds of cuts"; 608 if (generator>timing()) 609 std::cout << " (" << generator>timeInCutGenerator() << " seconds)" ; 610 std::cout << "." << std::endl; 611 } 612 std::cout 613 << model>getNumberHeuristicSolutions() 614 << " solutions found by heuristics." << std::endl ; 615 int numberHeuristics = model>numberHeuristics(); 616 for (int iHeuristic = 0 ; iHeuristic < numberHeuristics ; iHeuristic++) { 617 CbcHeuristic *heuristic = model>heuristic(iHeuristic); 618 if (heuristic>numRuns()) { 619 std::cout 620 << heuristic>heuristicName() << " was tried " 621 << heuristic>numRuns() << " times out of " 622 << heuristic>numCouldRun() << " and created " 623 << heuristic>numberSolutionsFound() << " solutions." << std::endl ; 624 } 625 } 626 /* 627 Check for the correct answer. 628 */ 629 if (!model>status()) { 630 631 double objActual = model>getObjValue() ; 632 double objExpect = objValue[m] ; 633 double tolerance = CoinMin(fabs(objActual),fabs(objExpect)) ; 634 tolerance = CoinMax(1.0e5,1.0e5*tolerance) ; 635 //CoinRelFltEq eq(1.0e3) ; 636 637 std::cout 638 << "cbc_clp (" << mpsName[m] << ") " 639 << std::setprecision(10) << objActual ; 640 if (fabs(objActualobjExpect) < tolerance) { 641 std::cout << std::setprecision(dfltPrecision) << "; okay" ; 642 numProbSolved++; 643 } else { 644 std::cout 645 << " != " << objExpect << std::setprecision(dfltPrecision) 646 << "; error = " << fabs(objExpectobjActual) ; 647 numberFailures++; 648 //#ifdef COIN_DEVELOP 649 //abort(); 650 //#endif 651 } 130 652 } else { 131 if (testSwitch == 1) { 132 testSwitch = 1; 133 } else { 134 loSwitch = static_cast<int>(stuff[6]); 135 printf("Solving miplib problems in sets >= %d and <=%d\n", 136 loSwitch, testSwitch); 137 } 138 /* 139 Load up the problem vector. Note that the row counts here include the 140 objective function. 141 */ 142 // 0 for no test, 1 for some, 2 for many, 3 for all 143 //PUSH_MPS("blend2",274,353,7.598985,6.9156751140,0); 144 //PUSH_MPS("p2756",755,2756,3124,2688.75,0); 145 //PUSH_MPS("seymour_1",4944,1372,410.7637014,404.35152,0); 146 //PUSH_MPS("enigma",21,100,0.0,0.0,0); 147 //PUSH_MPS("misc03",96,160,3360,1910.,0); 148 //PUSH_MPS("p0201",133,201,7615,6875.0,0); 149 #define HOWMANY 6 150 #if HOWMANY 151 PUSH_MPS("10teams", 230, 2025, 924, 917, 1); 152 PUSH_MPS("air03", 124, 10757, 340160, 338864.25, 0); 153 PUSH_MPS("air04", 823, 8904, 56137, 55535.436, 2); 154 PUSH_MPS("air05", 426, 7195, 26374, 25877.609, 2); 155 PUSH_MPS("arki001", 1048, 1388, 7580813.0459, 7579599.80787, 7); 156 PUSH_MPS("bell3a", 123, 133, 878430.32, 862578.64, 0); 157 PUSH_MPS("bell5", 91, 104, 8966406.49, 8608417.95, 1); 158 PUSH_MPS("blend2", 274, 353, 7.598985, 6.9156751140, 0); 159 PUSH_MPS("cap6000", 2176, 6000, 2451377, 2451537.325, 1); 160 PUSH_MPS("dano3mip", 3202, 13873, 728.1111, 576.23162474, 7); 161 PUSH_MPS("danoint", 664, 521, 65.67, 62.637280418, 6); 162 PUSH_MPS("dcmulti", 290, 548, 188182, 183975.5397, 0); 163 PUSH_MPS("dsbmip", 1182, 1886, 305.19817501, 305.19817501, 0); 164 PUSH_MPS("egout", 98, 141, 568.101, 149.589, 0); 165 PUSH_MPS("enigma", 21, 100, 0.0, 0.0, 0); 166 PUSH_MPS("fast0507", 507, 63009, 174, 172.14556668, 5); 167 PUSH_MPS("fiber", 363, 1298, 405935.18000, 156082.51759, 0); 168 PUSH_MPS("fixnet6", 478, 878, 3983, 1200.88, 1); 169 PUSH_MPS("flugpl", 18, 18, 1201500, 1167185.7, 0); 170 PUSH_MPS("gen", 780, 870, 112313, 112130.0, 0); 171 PUSH_MPS("gesa2", 1392, 1224, 25779856.372, 25476489.678, 1); 172 PUSH_MPS("gesa2_o", 1248, 1224, 25779856.372, 25476489.678, 1); 173 PUSH_MPS("gesa3", 1368, 1152, 27991042.648, 27833632.451, 0); 174 PUSH_MPS("gesa3_o", 1224, 1152, 27991042.648, 27833632.451, 0); 175 PUSH_MPS("gt2", 29, 188, 21166.000, 13460.233074, 0); 176 PUSH_MPS("harp2", 112, 2993, 73899798.00, 74353341.502, 6); 177 PUSH_MPS("khb05250", 101, 1350, 106940226, 95919464.0, 0); 178 PUSH_MPS("l152lav", 97, 1989, 4722, 4656.36, 1); 179 PUSH_MPS("lseu", 28, 89, 1120, 834.68, 0); 180 PUSH_MPS("mas74", 13, 151, 11801.18573, 10482.79528, 3); 181 PUSH_MPS("mas76", 12, 151, 40005.05414, 38893.9036, 2); 182 PUSH_MPS("misc03", 96, 160, 3360, 1910., 0); 183 PUSH_MPS("misc06", 820, 1808, 12850.8607, 12841.6, 0); 184 PUSH_MPS("misc07", 212, 260, 2810, 1415.0, 1); 185 PUSH_MPS("mitre", 2054, 10724, 115155, 114740.5184, 1); 186 PUSH_MPS("mkc", 3411, 5325, 553.75, 611.85, 7); // this is suboptimal 187 PUSH_MPS("mod008", 6, 319, 307, 290.9, 0); 188 PUSH_MPS("mod010", 146, 2655, 6548, 6532.08, 0); 189 PUSH_MPS("mod011", 4480, 10958, 54558535, 62121982.55, 2); 190 PUSH_MPS("modglob", 291, 422, 20740508, 20430947., 2); 191 PUSH_MPS("noswot", 182, 128, 43, 43.0, 6); 192 PUSH_MPS("nw04", 36, 87482, 16862, 16310.66667, 1); 193 PUSH_MPS("p0033", 16, 33, 3089, 2520.57, 0); 194 PUSH_MPS("p0201", 133, 201, 7615, 6875.0, 0); 195 PUSH_MPS("p0282", 241, 282, 258411, 176867.50, 0); 196 PUSH_MPS("p0548", 176, 548, 8691, 315.29, 0); 197 PUSH_MPS("p2756", 755, 2756, 3124, 2688.75, 0); 198 PUSH_MPS("pk1", 45, 86, 11.0, 0.0, 2); 199 PUSH_MPS("pp08a", 136, 240, 7350.0, 2748.3452381, 1); 200 PUSH_MPS("pp08aCUTS", 246, 240, 7350.0, 5480.6061563, 1); 201 PUSH_MPS("qiu", 1192, 840, 132.873137, 931.638857, 3); 202 PUSH_MPS("qnet1", 503, 1541, 16029.692681, 14274.102667, 0); 203 PUSH_MPS("qnet1_o", 456, 1541, 16029.692681, 12095.571667, 0); 204 PUSH_MPS("rentacar", 6803, 9557, 30356761, 28806137.644, 0); 205 PUSH_MPS("rgn", 24, 180, 82.1999, 48.7999, 0); 206 PUSH_MPS("rout", 291, 556, 1077.56, 981.86428571, 3); 207 PUSH_MPS("set1ch", 492, 712, 54537.75, 32007.73, 5); 208 PUSH_MPS("seymour", 4944, 1372, 423, 403.84647413, 7); 209 PUSH_MPS("seymour_1", 4944, 1372, 410.76370, 403.84647413, 5); 210 PUSH_MPS("stein27", 118, 27, 18, 13.0, 0); 211 PUSH_MPS("stein45", 331, 45, 30, 22.0, 1); 212 PUSH_MPS("swath", 884, 6805, 497.603, 334.4968581, 7); 213 PUSH_MPS("vpm1", 234, 378, 20, 15.4167, 0); 214 PUSH_MPS("vpm2", 234, 378, 13.75, 9.8892645972, 0); 215 #endif 216 } 217 #undef PUSH_MPS 218 219 int numProbSolved = 0; 220 double timeTaken = 0.0; 221 //#define CLP_FACTORIZATION_INSTRUMENT 222 #ifdef CLP_FACTORIZATION_INSTRUMENT 223 double timeTakenFac = 0.0; 224 #endif 225 // Normally do in order 226 int which[100]; 227 int nLoop = static_cast<int>(mpsName.size()); 228 assert (nLoop <= 100); 229 for (int i = 0; i < nLoop; i++) 230 which[i] = i; 231 //#define RANDOM_ORDER 232 #ifdef RANDOM_ORDER 233 unsigned int iTime = static_cast<unsigned int>(CoinGetTimeOfDay()  1.256e9); 234 printf("Time %d\n", iTime); 235 double sort[100]; 236 CoinDrand48(true, iTime); 237 for (int i = 0; i < nLoop; i++) 238 sort[i] = CoinDrand48(); 239 CoinSort_2(sort, sort + nLoop, which); 240 #endif 241 int numberFailures = 0; 242 int numberAttempts = 0; 243 int numberPossibleAttempts = 0; 244 for (m = 0 ; m < mpsName.size() ; m++) { 245 int test = testSet[m]; 246 if (testSwitch >= test && loSwitch <= test) 247 numberPossibleAttempts++; 248 } 249 250 /* 251 Open the main loop to step through the MPS problems. 252 */ 253 for (unsigned int mw = 0 ; mw < mpsName.size() ; mw++) { 254 m = which[mw]; 255 int test = testSet[m]; 256 if (testSwitch >= test && loSwitch <= test) { 257 numberAttempts++; 258 std::cout << " processing mps file: " << mpsName[m] 259 << " (" << numberAttempts << " out of " 260 << numberPossibleAttempts << ")\n"; 261 /* 262 Stage 1: Read the MPS 263 and make sure the size of the constraint matrix is correct. 264 */ 265 CbcModel * model = new CbcModel(saveModel); 266 267 std::string fn = dirMiplib + mpsName[m] ; 268 if (!CbcTestMpsFile(fn)) { 269 std::cout << "ERROR: Cannot find MPS file " << fn << "\n"; 270 continue; 271 } 272 CoinDrand48(true, 1234567); 273 //printf("RAND1 %g %g\n",CoinDrand48(true,1234567),model>randomNumberGenerator()>randomDouble()); 274 //printf("RAND1 %g\n",CoinDrand48(true,1234567)); 275 model>solver()>readMps(fn.c_str(), "") ; 276 assert(model>getNumRows() == nRows[m]) ; 277 assert(model>getNumCols() == nCols[m]) ; 278 279 /* 280 Stage 2: Call solver to solve the problem. then check the return code and 281 objective. 282 */ 283 284 #ifdef CLP_FACTORIZATION_INSTRUMENT 285 extern double factorization_instrument(int type); 286 double facTime1 = factorization_instrument(0); 287 printf("Factorization  initial solve %g seconds\n", 288 facTime1); 289 timeTakenFac += facTime1; 290 #endif 291 double startTime = CoinCpuTime() + CoinCpuTimeJustChildren(); 292 int testMaximumNodes = 200000; 293 if (testSwitch > 1) 294 testMaximumNodes = 20000000; 295 if (model>getMaximumNodes() > testMaximumNodes) { 296 model>setMaximumNodes(testMaximumNodes); 297 } 298 OsiClpSolverInterface * si = 299 dynamic_cast<OsiClpSolverInterface *>(model>solver()) ; 300 ClpSimplex * modelC = NULL; 301 if (si) { 302 // get clp itself 303 modelC = si>getModelPtr(); 304 ClpMatrixBase * matrix = modelC>clpMatrix(); 305 ClpPackedMatrix * clpMatrix = dynamic_cast< ClpPackedMatrix*>(matrix); 306 if (stuff && stuff[9] && clpMatrix) { 307 // vector matrix! 308 clpMatrix>makeSpecialColumnCopy(); 309 } 310 #ifdef JJF_ZERO 311 if (clpMatrix) { 312 int numberRows = clpMatrix>getNumRows(); 313 int numberColumns = clpMatrix>getNumCols(); 314 double * elements = clpMatrix>getMutableElements(); 315 const int * row = clpMatrix>getIndices(); 316 const CoinBigIndex * columnStart = clpMatrix>getVectorStarts(); 317 const int * columnLength = clpMatrix>getVectorLengths(); 318 double * smallest = new double [numberRows]; 319 double * largest = new double [numberRows]; 320 char * flag = new char [numberRows]; 321 CoinZeroN(flag, numberRows); 322 for (int i = 0; i < numberRows; i++) { 323 smallest[i] = COIN_DBL_MAX; 324 largest[i] = 0.0; 325 } 326 for (int iColumn = 0; iColumn < numberColumns; iColumn++) { 327 bool isInteger = modelC>isInteger(iColumn); 328 CoinBigIndex j; 329 for (j = columnStart[iColumn]; 330 j < columnStart[iColumn] + columnLength[iColumn]; j++) { 331 int iRow = row[j]; 332 double value = fabs(elements[j]); 333 if (!isInteger) 334 flag[iRow] = 1; 335 smallest[iRow] = CoinMin(smallest[iRow], value); 336 largest[iRow] = CoinMax(largest[iRow], value); 337 } 338 } 339 double * rowLower = modelC>rowLower(); 340 double * rowUpper = modelC>rowUpper(); 341 bool changed = false; 342 for (int i = 0; i < numberRows; i++) { 343 if (flag[i] && smallest[i] > 10.0 && false) { 344 smallest[i] = 1.0 / smallest[i]; 345 if (rowLower[i] > 1.0e20) 346 rowLower[i] *= smallest[i]; 347 if (rowUpper[i] < 1.0e20) 348 rowUpper[i] *= smallest[i]; 349 changed = true; 350 } else { 351 smallest[i] = 0.0; 352 } 353 } 354 if (changed) { 355 printf("SCALED\n"); 356 for (int iColumn = 0; iColumn < numberColumns; iColumn++) { 357 CoinBigIndex j; 358 for (j = columnStart[iColumn]; 359 j < columnStart[iColumn] + columnLength[iColumn]; j++) { 360 int iRow = row[j]; 361 if (smallest[iRow]) 362 elements[j] *= smallest[iRow]; 363 } 364 } 365 } 366 delete [] smallest; 367 delete [] largest; 368 delete [] flag; 369 } 370 #endif 371 model>checkModel(); 372 modelC>tightenPrimalBounds(0.0, 0, true); 373 model>initialSolve(); 374 if (modelC>dualBound() == 1.0e10) { 375 // user did not set  so modify 376 // get largest scaled away from bound 377 ClpSimplex temp = *modelC; 378 temp.dual(0, 7); 379 double largestScaled = 1.0e12; 380 double largest = 1.0e12; 381 int numberRows = temp.numberRows(); 382 const double * rowPrimal = temp.primalRowSolution(); 383 const double * rowLower = temp.rowLower(); 384 const double * rowUpper = temp.rowUpper(); 385 const double * rowScale = temp.rowScale(); 386 int iRow; 387 for (iRow = 0; iRow < numberRows; iRow++) { 388 double value = rowPrimal[iRow]; 389 double above = value  rowLower[iRow]; 390 double below = rowUpper[iRow]  value; 391 if (above < 1.0e12) { 392 largest = CoinMax(largest, above); 393 } 394 if (below < 1.0e12) { 395 largest = CoinMax(largest, below); 396 } 397 if (rowScale) { 398 double multiplier = rowScale[iRow]; 399 above *= multiplier; 400 below *= multiplier; 401 } 402 if (above < 1.0e12) { 403 largestScaled = CoinMax(largestScaled, above); 404 } 405 if (below < 1.0e12) { 406 largestScaled = CoinMax(largestScaled, below); 407 } 408 } 409 410 int numberColumns = temp.numberColumns(); 411 const double * columnPrimal = temp.primalColumnSolution(); 412 const double * columnLower = temp.columnLower(); 413 const double * columnUpper = temp.columnUpper(); 414 const double * columnScale = temp.columnScale(); 415 int iColumn; 416 for (iColumn = 0; iColumn < numberColumns; iColumn++) { 417 double value = columnPrimal[iColumn]; 418 double above = value  columnLower[iColumn]; 419 double below = columnUpper[iColumn]  value; 420 if (above < 1.0e12) { 421 largest = CoinMax(largest, above); 422 } 423 if (below < 1.0e12) { 424 largest = CoinMax(largest, below); 425 } 426 if (columnScale) { 427 double multiplier = 1.0 / columnScale[iColumn]; 428 above *= multiplier; 429 below *= multiplier; 430 } 431 if (above < 1.0e12) { 432 largestScaled = CoinMax(largestScaled, above); 433 } 434 if (below < 1.0e12) { 435 largestScaled = CoinMax(largestScaled, below); 436 } 437 } 438 std::cout << "Largest (scaled) away from bound " << largestScaled 439 << " unscaled " << largest << std::endl; 440 #ifdef JJF_ZERO 441 modelC>setDualBound(CoinMax(1.0001e8, 442 CoinMin(1000.0*largestScaled, 1.00001e10))); 443 #else 444 modelC>setDualBound(CoinMax(1.0001e9, 445 CoinMin(1000.0*largestScaled, 1.0001e10))); 446 #endif 447 } 448 } 449 model>setMinimumDrop(CoinMin(5.0e2, 450 fabs(model>getMinimizationObjValue())*1.0e3 + 1.0e4)); 451 if (CoinAbs(model>getMaximumCutPassesAtRoot()) <= 100) { 452 if (model>getNumCols() < 500) { 453 model>setMaximumCutPassesAtRoot(100); // always do 100 if possible 454 } else if (model>getNumCols() < 5000) { 455 model>setMaximumCutPassesAtRoot(100); // use minimum drop 456 } else { 457 model>setMaximumCutPassesAtRoot(20); 458 } 459 } 460 // If defaults then increase trust for small models 461 if (model>numberStrong() == 5 && model>numberBeforeTrust() == 10) { 462 int numberColumns = model>getNumCols(); 463 if (numberColumns <= 50) { 464 model>setNumberBeforeTrust(1000); 465 } else if (numberColumns <= 100) { 466 model>setNumberBeforeTrust(100); 467 } else if (numberColumns <= 300) { 468 model>setNumberBeforeTrust(50); 469 } 470 } 471 //if (model>getNumCols()>=500) { 472 // switch off Clp stuff 473 //model>setFastNodeDepth(1); 474 //} 475 if (model>getNumCols() == 2756) { 476 // p2756 477 std::string problemName ; 478 model>solver()>getStrParam(OsiProbName, problemName) ; 479 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 480 } 481 if (model>getNumCols() == 201) { 482 // p201 483 std::string problemName ; 484 model>solver()>getStrParam(OsiProbName, problemName) ; 485 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 486 } 487 if (model>getNumCols() == 104) { 488 // bell5 489 std::string problemName ; 490 model>solver()>getStrParam(OsiProbName, problemName) ; 491 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 492 } 493 if (model>getNumCols() == 548 && model>getNumRows() == 176) { 494 // p0548 495 std::string problemName ; 496 model>solver()>getStrParam(OsiProbName, problemName) ; 497 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 498 } 499 if (model>getNumCols() == 160) { 500 // misc03 501 std::string problemName ; 502 model>solver()>getStrParam(OsiProbName, problemName) ; 503 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 504 } 505 if (model>getNumCols() == 353) { 506 // blend2 507 std::string problemName ; 508 model>solver()>getStrParam(OsiProbName, problemName) ; 509 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 510 } 511 if (model>getNumCols() == 100 && model>getNumRows() == 21) { 512 // enigma 513 std::string problemName ; 514 model>solver()>getStrParam(OsiProbName, problemName) ; 515 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 516 } 517 if (model>getNumCols() == 1541) { 518 // qnet1 519 std::string problemName ; 520 model>solver()>getStrParam(OsiProbName, problemName) ; 521 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 522 } 523 if (model>getNumCols() == 10724) { 524 // mitre 525 std::string problemName ; 526 model>solver()>getStrParam(OsiProbName, problemName) ; 527 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 528 } 529 if (model>getNumCols() == 1224) { 530 //PUSH_MPS("gesa2",1392,1224,25779856.372,25476489.678,7); 531 // gesa2 532 std::string problemName ; 533 model>solver()>getStrParam(OsiProbName, problemName) ; 534 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 535 } 536 if (model>getNumCols() == 1224 && model>getNumRows() < 1380) { 537 //PUSH_MPS("gesa2_o",1248,1224,25779856.372,25476489.678,1); 538 // gesa2_o 539 std::string problemName ; 540 model>solver()>getStrParam(OsiProbName, problemName) ; 541 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 542 } 543 if (model>getNumCols() == 1152 && model>getNumRows() == 1368) { 544 //PUSH_MPS("gesa3",1368,1152,27991042.648,27833632.451,7); 545 // gesa3 546 std::string problemName ; 547 model>solver()>getStrParam(OsiProbName, problemName) ; 548 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 549 } 550 if (model>getNumCols() == 1152 && model>getNumRows() == 1224) { 551 //PUSH_MPS("gesa3_o",1224,1152,27991042.648,27833632.451,7); 552 // gesa3 553 std::string problemName ; 554 model>solver()>getStrParam(OsiProbName, problemName) ; 555 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 556 } 557 if (model>getNumCols() == 282) { 558 //PUSH_MPS("p0282",241,282,258411,176867.50,7); 559 // p0282 560 std::string problemName ; 561 model>solver()>getStrParam(OsiProbName, problemName) ; 562 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 563 } 564 if (model>getNumCols() == 141) { 565 // egout 566 std::string problemName ; 567 model>solver()>getStrParam(OsiProbName, problemName) ; 568 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 569 } 570 if (model>getNumCols() == 378) { 571 // vpm2 572 std::string problemName ; 573 model>solver()>getStrParam(OsiProbName, problemName) ; 574 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 575 } 576 if (model>getNumCols() == 240 && model>getNumRows() == 246) { 577 // pp08aCUTS 578 std::string problemName ; 579 model>solver()>getStrParam(OsiProbName, problemName) ; 580 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 581 } 582 if (model>getNumCols() == 240 && model>getNumRows() == 136) { 583 // pp08a 584 std::string problemName ; 585 model>solver()>getStrParam(OsiProbName, problemName) ; 586 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 587 } 588 if (model>getNumCols() == 1372 && model>getNumRows() == 4944) { 589 // seymour1 590 std::string problemName ; 591 model>solver()>getStrParam(OsiProbName, problemName) ; 592 model>solver()>activateRowCutDebugger(problemName.c_str()) ; 593 } 594 setCutAndHeuristicOptions(*model); 595 if (si) { 596 #ifdef CLP_MULTIPLE_FACTORIZATIONS 597 if (!modelC>factorization()>isDenseOrSmall()) { 598 int denseCode = stuff ? static_cast<int> (stuff[4]) : 1; 599 int smallCode = stuff ? static_cast<int> (stuff[10]) : 1; 600 if (stuff && stuff[8] >= 1) { 601 if (denseCode < 0) 602 denseCode = 40; 603 if (smallCode < 0) 604 smallCode = 40; 605 } 606 if (denseCode > 0) 607 modelC>factorization()>setGoDenseThreshold(denseCode); 608 if (smallCode > 0) 609 modelC>factorization()>setGoSmallThreshold(smallCode); 610 if (denseCode >= modelC>numberRows()) { 611 //printf("problem going dense\n"); 612 //modelC>factorization()>goDenseOrSmall(modelC>numberRows()); 613 } 614 } 615 #endif 616 if (stuff && stuff[8] >= 1) { 617 if (modelC>numberColumns() + modelC>numberRows() <= 10000 && 618 model>fastNodeDepth() == 1) 619 model>setFastNodeDepth(9); 620 } 621 } 622 //OsiObject * obj = new CbcBranchToFixLots(model,0.3,0.0,3,3000003); 623 //model>addObjects(1,&obj); 624 //delete obj; 625 model>branchAndBound(); 626 #ifdef CLP_FACTORIZATION_INSTRUMENT 627 double facTime = factorization_instrument(0); 628 printf("Factorization %g seconds\n", 629 facTime); 630 timeTakenFac += facTime; 631 #endif 632 633 double timeOfSolution = CoinCpuTime() + CoinCpuTimeJustChildren()  startTime; 634 // Print more statistics 635 std::cout << "Cuts at root node changed objective from " << model>getContinuousObjective() 636 << " to " << model>rootObjectiveAfterCuts() << std::endl; 637 int numberGenerators = model>numberCutGenerators(); 638 for (int iGenerator = 0; iGenerator < numberGenerators; iGenerator++) { 639 CbcCutGenerator * generator = model>cutGenerator(iGenerator); 640 #ifndef CLP_INVESTIGATE 641 CglImplication * implication = dynamic_cast<CglImplication*>(generator>generator()); 642 if (implication) 643 continue; 644 #endif 645 std::cout << generator>cutGeneratorName() << " was tried " 646 << generator>numberTimesEntered() << " times and created " 647 << generator>numberCutsInTotal() << " cuts of which " 648 << generator>numberCutsActive() << " were active after adding rounds of cuts"; 649 if (generator>timing()) 650 std::cout << " ( " << generator>timeInCutGenerator() << " seconds)" << std::endl; 651 else 652 std::cout << std::endl; 653 } 654 printf("%d solutions found by heuristics\n", 655 model>getNumberHeuristicSolutions()); 656 for (int iHeuristic = 0; iHeuristic < model>numberHeuristics(); iHeuristic++) { 657 CbcHeuristic * heuristic = model>heuristic(iHeuristic); 658 if (heuristic>numRuns()) { 659 // Need to bring others inline 660 char generalPrint[1000]; 661 sprintf(generalPrint, "%s was tried %d times out of %d and created %d solutions\n", 662 heuristic>heuristicName(), 663 heuristic>numRuns(), 664 heuristic>numCouldRun(), 665 heuristic>numberSolutionsFound()); 666 std::cout << generalPrint << std::endl; 667 } 668 } 669 if (!model>status()) { 670 double soln = model>getObjValue(); 671 double tolerance = CoinMax(1.0e5, 1.0e5 * CoinMin(fabs(soln), fabs(objValue[m]))); 672 //CoinRelFltEq eq(1.0e3) ; 673 if (fabs(soln  objValue[m]) < tolerance) { 674 std::cout 675 << "cbc_clp" << " " 676 << soln << " = " << objValue[m] << " ; okay"; 677 numProbSolved++; 678 } else { 679 std::cout << "cbc_clp" << " " << soln << " != " << objValue[m] 680 << "; error=" << fabs(objValue[m]  soln); 681 numberFailures++; 682 //#ifdef COIN_DEVELOP 683 //abort(); 684 //#endif 685 } 686 } else { 687 std::cout << "cbc_clp error; too many nodes" ; 688 } 689 timeTaken += timeOfSolution; 690 std::cout << "  took " << timeOfSolution << " seconds.(" << 691 model>getNodeCount() << " / " << model>getIterationCount() << 692 " ) subtotal " << timeTaken 693 << " (" << mpsName[m] << ")" << std::endl; 694 delete model; 695 } 696 } // end main loop on MPS problem 697 int returnCode = 0; 653 std::cout 654 << "cbc_clp (" << mpsName[m] << ") status not optimal; " 655 << "assuming too many nodes" ; 656 } 657 timeTaken += timeOfSolution; 698 658 std::cout 699 << "cbc_clp" 700 << " solved " 701 << numProbSolved 702 << " out of " 703 << numberAttempts; 704 int numberOnNodes = numberAttempts  numProbSolved  numberFailures; 659 << "  (" << model>getNodeCount() << " n / " 660 << model>getIterationCount() << " i / " 661 << timeOfSolution << " s) (subtotal " << timeTaken << " s)" 662 << std::endl; 663 delete model; 664 } 665 /* 666 End main loop on MPS problems. Print a summary and calculate the return 667 value. 668 */ 669 int returnCode = 0; 670 std::cout 671 << "cbc_clp solved " << numProbSolved << " out of " << numberAttempts; 672 int numberOnNodes = numberAttemptsnumProbSolvednumberFailures; 673 if (numberFailures  numberOnNodes) { 674 if (numberOnNodes) { 675 std::cout << " (" << numberOnNodes << " stopped on nodes)"; 676 returnCode = numberOnNodes; 677 } 678 if (numberFailures) { 679 std::cout << " (" << numberFailures << " gave bad answer!)"; 680 returnCode += 100*numberFailures; 681 } 682 } 683 std::cout 684 << " and took " << timeTaken << " seconds." << std::endl; 685 686 if (testSwitch == 2) { 705 687 if (numberFailures  numberOnNodes) { 706 if (numberOnNodes) { 707 std::cout << " (" << numberOnNodes << " stopped on nodes)"; 708 returnCode = numberOnNodes; 709 } 710 if (numberFailures) { 711 std::cout << " (" << numberFailures << " gave bad answer!)"; 712 returnCode += 100 * numberFailures; 713 } 714 } 715 std::cout << " and took " 716 << timeTaken 717 << " seconds." 718 << std::endl; 719 if (testSwitch == 2) { 720 if (numberFailures  numberOnNodes) { 721 printf("****** Unit Test failed\n"); 722 fprintf(stderr, "****** Unit Test failed\n"); 723 } else { 724 fprintf(stderr, "Unit Test succeeded\n"); 725 } 726 } 727 #ifdef CLP_FACTORIZATION_INSTRUMENT 728 printf("Total factorization time %g seconds\n", 729 timeTakenFac); 730 #endif 731 return returnCode; 688 std::cout << "****** Unit Test failed." << std::endl ; 689 std::cerr << "****** Unit Test failed." << std::endl ; 690 } else { 691 std::cerr << "****** Unit Test succeeded." << std::endl ; 692 } 693 } 694 # ifdef CLP_FACTORIZATION_INSTRUMENT 695 std::cout 696 << "Total factorization time " << timeTakenFac << "seconds." << std::endl ; 697 # endif 698 return (returnCode) ; 732 699 } 733 700
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