Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.PrintStream;
   5 import java.io.Reader;
   6 import java.io.BufferedReader;
   7 import java.io.FileReader;
   8 import java.io.FileInputStream;
   9 import java.util.Hashtable;
  10 import java.util.Iterator;
  11 import java.util.Set;
  12 import java.util.Vector;
  13
  14 import IR.Tree.ParseNode;
  15 import IR.Tree.BuildIR;
  16 import IR.Tree.SemanticCheck;
  17 import IR.Flat.BuildCodeMultiCore;
  18 import IR.Flat.BuildFlat;
  19 import IR.Flat.BuildCode;
  20 import IR.ClassDescriptor;
  21 import IR.State;
  22 import IR.TaskDescriptor;
  23 import IR.TypeUtil;
  24 import Analysis.Scheduling.Schedule;
  25 import Analysis.Scheduling.ScheduleAnalysis;
  26 import Analysis.Scheduling.ScheduleSimulator;
  27 import Analysis.TaskStateAnalysis.TaskAnalysis;
  28 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskGraph;
  30 import Analysis.CallGraph.CallGraph;
  31 import Analysis.TaskStateAnalysis.FEdge;
  32 import Analysis.TaskStateAnalysis.FlagState;
  33 import Analysis.TaskStateAnalysis.TagAnalysis;
  34 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  35 import Analysis.TaskStateAnalysis.ExecutionGraph;
  36 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  37 import Analysis.Locality.LocalityAnalysis;
  38 import Analysis.Locality.GenerateConversions;
  39 import Analysis.Prefetch.PrefetchAnalysis;
  40 import Analysis.FlatIRGraph.FlatIRGraph;
  41 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  42 import Interface.*;
  43 import Util.GraphNode;
  44 import Util.GraphNode.DFS;
  45 import Util.GraphNode.SCC;
  46
  47 public class Main {
  48
  49   /** Main method for the compiler.  */
  50
  51   public static void main(String args[]) throws Exception {
  52     String ClassLibraryPrefix="./ClassLibrary/";
  53     State state=new State();
  54
  55     for(int i=0; i<args.length; i++) {
  56       String option=args[i];
  57       if (option.equals("-precise"))
  58         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  59       else if (option.equals("-prefetch"))
  60         state.PREFETCH=true;
  61       else if (option.equals("-dir"))
  62         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  63       else if (option.equals("-selfloop"))
  64         state.selfloops.add(args[++i]);
  65       else if (option.equals("-excprefetch"))
  66         state.excprefetch.add(args[++i]);
  67       else if (option.equals("-classlibrary"))
  68         ClassLibraryPrefix=args[++i]+"/";
  69       else if(option.equals("-numcore")) {
  70         ++i;
  71         state.CORENUM = Integer.parseInt(args[i]);
  72       } else if (option.equals("-mainclass"))
  73         state.main=args[++i];
  74       else if (option.equals("-trueprob")) {
  75         state.TRUEPROB=Double.parseDouble(args[++i]);
  76       } else if (option.equals("-printflat"))
  77         State.PRINTFLAT=true;
  78       else if (option.equals("-printscheduling"))
  79         State.PRINTSCHEDULING=true;
  80       else if (option.equals("-printschedulesim"))
  81         State.PRINTSCHEDULESIM=true;
  82       else if (option.equals("-struct"))
  83         state.structfile=args[++i];
  84       else if (option.equals("-conscheck"))
  85         state.CONSCHECK=true;
  86       else if (option.equals("-task"))
  87         state.TASK=true;
  88       else if (option.equals("-taskstate"))
  89         state.TASKSTATE=true;
  90       else if (option.equals("-tagstate"))
  91         state.TAGSTATE=true;
  92       else if (option.equals("-flatirtasks")) {
  93         state.FLATIRGRAPH=true;
  94         state.FLATIRGRAPHTASKS=true;
  95       } else if (option.equals("-flatirusermethods")) {
  96         state.FLATIRGRAPH=true;
  97         state.FLATIRGRAPHUSERMETHODS=true;
  98       } else if (option.equals("-flatirlibmethods")) {
  99         state.FLATIRGRAPH=true;
 100         state.FLATIRGRAPHLIBMETHODS=true;
 101       } else if (option.equals("-multicore"))
 102         state.MULTICORE=true;
 103       else if (option.equals("-ownership"))
 104         state.OWNERSHIP=true;
 105       else if (option.equals("-ownallocdepth")) {
 106         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 107       } else if (option.equals("-ownwritedots")) {
 108         state.OWNERSHIPWRITEDOTS=true;
 109         if (args[++i].equals("all")) {
 110           state.OWNERSHIPWRITEALL=true;
 111         }
 112       } else if (option.equals("-ownaliasfile"))
 113         state.OWNERSHIPALIASFILE=args[++i];
 114       else if (option.equals("-optional"))
 115         state.OPTIONAL=true;
 116       else if (option.equals("-raw"))
 117         state.RAW=true;
 118       else if (option.equals("-scheduling"))
 119         state.SCHEDULING=true;
 120       else if (option.equals("-useprofile"))
 121         state.USEPROFILE=true;
 122       else if (option.equals("-thread"))
 123         state.THREAD=true;
 124       else if (option.equals("-dsm"))
 125         state.DSM=true;
 126       else if (option.equals("-webinterface"))
 127         state.WEBINTERFACE=true;
 128       else if (option.equals("-instructionfailures"))
 129         state.INSTRUCTIONFAILURE=true;
 130       else if (option.equals("-help")) {
 131         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 132         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 133         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 134         System.out.println("-struct structfile -- output structure declarations for repair tool");
 135         System.out.println("-mainclass -- main function to call");
 136         System.out.println("-dsm -- distributed shared memory support");
 137         System.out.println("-precise -- use precise garbage collection");
 138         System.out.println("-conscheck -- turn on consistency checking");
 139         System.out.println("-task -- compiler for tasks");
 140         System.out.println("-thread -- threads");
 141         System.out.println("-trueprob <d> -- probability of true branch");
 142         System.out.println("-printflat -- print out flat representation");
 143         System.out.println("-instructionfailures -- insert code for instruction level failures");
 144         System.out.println("-taskstate -- do task state analysis");
 145         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 146         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 147         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 148         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 149         System.out.println("-ownership -- do ownership analysis");
 150         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 151         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 152         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 153         System.out.println("-optional -- enable optional arguments");
 154         System.out.println("-scheduling do task scheduling");
 155         System.out.println("-multicore generate multi-core version binary");
 156         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 157         System.out.println("-raw generate raw version binary (should be used together with -multicore)");
 158         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 159         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 160         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 161         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 162         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 163         System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
 164         System.out.println("-printscheduling -- print out scheduling graphs");
 165         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 166         System.out.println("-webinterface -- enable web interface");
 167         System.out.println("-help -- print out help");
 168         System.exit(0);
 169       } else {
 170         readSourceFile(state, args[i]);
 171       }
 172     }
 173
 174
 175     readSourceFile(state, ClassLibraryPrefix+"System.java");
 176     readSourceFile(state, ClassLibraryPrefix+"String.java");
 177     readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
 178     readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
 179     readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
 180     readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
 181     readSourceFile(state, ClassLibraryPrefix+"Integer.java");
 182     readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
 183     //if(!state.RAW) {
 184     readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
 185     readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
 186     readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
 187     readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
 188     readSourceFile(state, ClassLibraryPrefix+"File.java");
 189     readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
 190     readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
 191     readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
 192     //}
 193     readSourceFile(state, ClassLibraryPrefix+"Math.java");
 194     readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
 195     readSourceFile(state, ClassLibraryPrefix+"Vector.java");
 196     readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
 197     readSourceFile(state, ClassLibraryPrefix+"Dictionary.java");
 198     readSourceFile(state, ClassLibraryPrefix+"Writer.java");
 199     readSourceFile(state, ClassLibraryPrefix+"BufferedWriter.java");
 200     readSourceFile(state, ClassLibraryPrefix+"OutputStreamWriter.java");
 201     readSourceFile(state, ClassLibraryPrefix+"FileWriter.java");
 202     readSourceFile(state, ClassLibraryPrefix+"Date.java");
 203
 204     if (state.TASK) {
 205       readSourceFile(state, ClassLibraryPrefix+"Object.java");
 206       readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
 207     } else if (state.DSM) {
 208       readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
 209       readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
 210       readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
 211     } else {
 212       if (state.THREAD) {
 213         readSourceFile(state, ClassLibraryPrefix+"Thread.java");
 214         readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
 215       } else
 216         readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
 217     }
 218
 219     if (state.TASK) {
 220       readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
 221       readSourceFile(state, ClassLibraryPrefix+"Socket.java");
 222       readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
 223     } else {
 224       readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
 225       readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
 226     }
 227
 228     BuildIR bir=new BuildIR(state);
 229     bir.buildtree();
 230
 231     TypeUtil tu=new TypeUtil(state);
 232
 233     SemanticCheck sc=new SemanticCheck(state,tu);
 234     sc.semanticCheck();
 235     tu.createFullTable();
 236
 237     BuildFlat bf=new BuildFlat(state,tu);
 238     bf.buildFlat();
 239     SafetyAnalysis sa=null;
 240     PrefetchAnalysis pa=null;
 241
 242     if (state.TAGSTATE) {
 243       CallGraph callgraph=new CallGraph(state);
 244       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 245       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
 246     }
 247
 248     if (state.TASKSTATE) {
 249       CallGraph callgraph=new CallGraph(state);
 250       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 251       TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
 252       ta.taskAnalysis();
 253       TaskGraph tg=new TaskGraph(state, ta);
 254       tg.createDOTfiles();
 255
 256       if (state.OPTIONAL) {
 257         ExecutionGraph et=new ExecutionGraph(state, ta);
 258         et.createExecutionGraph();
 259         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 260         sa.doAnalysis();
 261         state.storeAnalysisResult(sa.getResult());
 262         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 263       }
 264
 265       if (state.WEBINTERFACE) {
 266         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 267         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 268         JhttpServer serve=new JhttpServer(8000,wi);
 269         serve.run();
 270       }
 271
 272       if (state.SCHEDULING) {
 273         // Indentify backedges
 274         for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 275           ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 276           if(cd.hasFlags()) {
 277             Set<FlagState> fss = ta.getFlagStates(cd);
 278             SCC scc=GraphNode.DFS.computeSCC(fss);
 279             if (scc.hasCycles()) {
 280               for(int i=0; i<scc.numSCC(); i++) {
 281                 if (scc.hasCycle(i)) {
 282                   Set cycleset = scc.getSCC(i);
 283                   Iterator it_fs = cycleset.iterator();
 284                   while(it_fs.hasNext()) {
 285                     FlagState fs = (FlagState)it_fs.next();
 286                     Iterator it_edges = fs.edges();
 287                     while(it_edges.hasNext()) {
 288                       FEdge edge = (FEdge)it_edges.next();
 289                       if(cycleset.contains(edge.getTarget())) {
 290                         // a backedge
 291                         edge.setisbackedge(true);
 292                       }
 293                     }
 294                   }
 295                 }
 296               }
 297             }
 298             fss = null;
 299           }
 300         }
 301
 302         // set up profiling data
 303         if(state.USEPROFILE) {
 304           // read in profile data and set
 305           FileInputStream inStream = new FileInputStream("/scratch/profile.rst");
 306           byte[] b = new byte[1024 * 100];
 307           int length = inStream.read(b);
 308           if(length < 0) {
 309             System.out.print("No content in input file: /scratch/profile.rst\n");
 310             System.exit(-1);
 311           }
 312           String profiledata = new String(b, 0, length);
 313           java.util.Hashtable<String, TaskInfo> taskinfos = new java.util.Hashtable<String, TaskInfo>();
 314
 315           // profile data format:
 316           //   taskname, numoftaskexits(; exetime, probability, numofnewobjtypes(, newobj type, num of objs)+)+
 317           int inindex = profiledata.indexOf('\n');
 318           while((inindex != -1) ) {
 319             String inline = profiledata.substring(0, inindex);
 320             profiledata = profiledata.substring(inindex + 1);
 321             //System.printString(inline + "\n");
 322             int tmpinindex = inline.indexOf(',');
 323             if(tmpinindex == -1) {
 324               break;
 325             }
 326             String inname = inline.substring(0, tmpinindex);
 327             String inint = inline.substring(tmpinindex + 1);
 328             while(inint.startsWith(" ")) {
 329               inint = inint.substring(1);
 330             }
 331             tmpinindex = inint.indexOf(',');
 332             if(tmpinindex == -1) {
 333               break;
 334             }
 335             int numofexits = Integer.parseInt(inint.substring(0, tmpinindex));
 336             TaskInfo tinfo = new TaskInfo(numofexits);
 337             inint = inint.substring(tmpinindex + 1);
 338             while(inint.startsWith(" ")) {
 339               inint = inint.substring(1);
 340             }
 341             tmpinindex = inint.indexOf(';');
 342             int byObj = Integer.parseInt(inint.substring(0, tmpinindex));
 343             if(byObj != -1) {
 344               tinfo.m_byObj = byObj;
 345             }
 346             inint = inint.substring(tmpinindex + 1);
 347             while(inint.startsWith(" ")) {
 348               inint = inint.substring(1);
 349             }
 350             for(int i = 0; i < numofexits; i++) {
 351               String tmpinfo = null;
 352               if(i < numofexits - 1) {
 353                 tmpinindex = inint.indexOf(';');
 354                 tmpinfo = inint.substring(0, tmpinindex);
 355                 inint = inint.substring(tmpinindex + 1);
 356                 while(inint.startsWith(" ")) {
 357                   inint = inint.substring(1);
 358                 }
 359               } else {
 360                 tmpinfo = inint;
 361               }
 362
 363               tmpinindex = tmpinfo.indexOf(',');
 364               tinfo.m_exetime[i] = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
 365               tmpinfo = tmpinfo.substring(tmpinindex + 1);
 366               while(tmpinfo.startsWith(" ")) {
 367                 tmpinfo = tmpinfo.substring(1);
 368               }
 369               tmpinindex = tmpinfo.indexOf(',');
 370               tinfo.m_probability[i] = Double.parseDouble(tmpinfo.substring(0, tmpinindex));
 371               tmpinfo = tmpinfo.substring(tmpinindex + 1);
 372               while(tmpinfo.startsWith(" ")) {
 373                 tmpinfo = tmpinfo.substring(1);
 374               }
 375               tmpinindex = tmpinfo.indexOf(',');
 376               int numofnobjs = 0;
 377               if(tmpinindex == -1) {
 378                 numofnobjs = Integer.parseInt(tmpinfo);
 379                 if(numofnobjs != 0) {
 380                   System.err.println("Error profile data format!");
 381                   System.exit(-1);
 382                 }
 383               } else {
 384                 tinfo.m_newobjinfo.setElementAt(new Hashtable<String,Integer>(), i);
 385                 numofnobjs = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
 386                 tmpinfo = tmpinfo.substring(tmpinindex + 1);
 387                 while(tmpinfo.startsWith(" ")) {
 388                   tmpinfo = tmpinfo.substring(1);
 389                 }
 390                 for(int j = 0; j < numofnobjs; j++) {
 391                   tmpinindex = tmpinfo.indexOf(',');
 392                   String nobjtype = tmpinfo.substring(0, tmpinindex);
 393                   tmpinfo = tmpinfo.substring(tmpinindex + 1);
 394                   while(tmpinfo.startsWith(" ")) {
 395                     tmpinfo = tmpinfo.substring(1);
 396                   }
 397                   int objnum = 0;
 398                   if(j < numofnobjs - 1) {
 399                     tmpinindex = tmpinfo.indexOf(',');
 400                     objnum  = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
 401                     tmpinfo = tmpinfo.substring(tmpinindex + 1);
 402                     while(tmpinfo.startsWith(" ")) {
 403                       tmpinfo = tmpinfo.substring(1);
 404                     }
 405                   } else {
 406                     objnum = Integer.parseInt(tmpinfo);
 407                   }
 408                   tinfo.m_newobjinfo.elementAt(i).put(nobjtype, objnum);
 409                 }
 410               }
 411             }
 412             taskinfos.put(inname, tinfo);
 413             inindex = profiledata.indexOf('\n');
 414           }
 415
 416           java.util.Random r=new java.util.Random();
 417           int tint = 0;
 418           for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 419             ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 420             if(cd.hasFlags()) {
 421               Vector rootnodes=ta.getRootNodes(cd);
 422               if(rootnodes!=null) {
 423                 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
 424                   FlagState root=(FlagState)it_rootnodes.next();
 425                   Vector allocatingTasks = root.getAllocatingTasks();
 426                   if(allocatingTasks != null) {
 427                     for(int k = 0; k < allocatingTasks.size(); k++) {
 428                       TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 429                       Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 430                       int numEdges = fev.size();
 431                       int total = 100;
 432                       for(int j = 0; j < numEdges; j++) {
 433                         FEdge pfe = fev.elementAt(j);
 434                         TaskInfo taskinfo = taskinfos.get(td.getSymbol());
 435                         tint = taskinfo.m_exetime[pfe.getTaskExitIndex()];
 436                         pfe.setExeTime(tint);
 437                         double idouble = taskinfo.m_probability[pfe.getTaskExitIndex()];
 438                         pfe.setProbability(idouble);
 439                         int newRate = 0;
 440                         if((taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()) != null)
 441                            && (taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).containsKey(cd.getSymbol()))) {
 442                           newRate = taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).get(cd.getSymbol());
 443                         }
 444                         pfe.addNewObjInfo(cd, newRate, idouble);
 445                         if(taskinfo.m_byObj != -1) {
 446                           ((FlagState)pfe.getSource()).setByObj(taskinfo.m_byObj);
 447                         }
 448                       }
 449                       fev = null;
 450                     }
 451                   }
 452                 }
 453               }
 454               Iterator it_flags = ta.getFlagStates(cd).iterator();
 455               while(it_flags.hasNext()) {
 456                 FlagState fs = (FlagState)it_flags.next();
 457                 Iterator it_edges = fs.edges();
 458                 int total = 100;
 459                 while(it_edges.hasNext()) {
 460                   FEdge edge = (FEdge)it_edges.next();
 461                   TaskInfo taskinfo = taskinfos.get(edge.getTask().getSymbol());
 462                   tint = taskinfo.m_exetime[edge.getTaskExitIndex()];
 463                   edge.setExeTime(tint);
 464                   double idouble = taskinfo.m_probability[edge.getTaskExitIndex()];
 465                   edge.setProbability(idouble);
 466                   if(taskinfo.m_byObj != -1) {
 467                     ((FlagState)edge.getSource()).setByObj(taskinfo.m_byObj);
 468                   }
 469                 }
 470               }
 471             }
 472           }
 473           taskinfos = null;
 474         } else {
 475           // for test
 476           // Randomly set the newRate and probability of FEdges
 477           java.util.Random r=new java.util.Random();
 478           int tint = 0;
 479           for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 480             ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 481             if(cd.hasFlags()) {
 482               Vector rootnodes=ta.getRootNodes(cd);
 483               if(rootnodes!=null) {
 484                 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
 485                   FlagState root=(FlagState)it_rootnodes.next();
 486                   Vector allocatingTasks = root.getAllocatingTasks();
 487                   if(allocatingTasks != null) {
 488                     for(int k = 0; k < allocatingTasks.size(); k++) {
 489                       TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 490                       Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 491                       int numEdges = fev.size();
 492                       int total = 100;
 493                       for(int j = 0; j < numEdges; j++) {
 494                         FEdge pfe = fev.elementAt(j);
 495                         if(numEdges - j == 1) {
 496                           pfe.setProbability(total);
 497                         } else {
 498                           if((total != 0) && (total != 1)) {
 499                             do {
 500                               tint = r.nextInt()%total;
 501                             } while(tint <= 0);
 502                           }
 503                           pfe.setProbability(tint);
 504                           total -= tint;
 505                         }
 506                         //do {
 507                         //   tint = r.nextInt()%10;
 508                         //  } while(tint <= 0);
 509                         //int newRate = tint;
 510                         //int newRate = (j+1)%2+1;
 511                         int newRate = 1;
 512                         String cdname = cd.getSymbol();
 513                         if((cdname.equals("SeriesRunner")) ||
 514                            (cdname.equals("MDRunner")) ||
 515                            (cdname.equals("Stage")) ||
 516                            (cdname.equals("AppDemoRunner")) ||
 517                            (cdname.equals("FilterBankAtom")) ||
 518                            (cdname.equals("Grid"))) {
 519                           newRate = 16;
 520                         } else if(cdname.equals("SentenceParser")) {
 521                           newRate = 4;
 522                         }
 523                         //do {
 524                         //    tint = r.nextInt()%100;
 525                         //   } while(tint <= 0);
 526                         //   int probability = tint;
 527                         int probability = 100;
 528                         pfe.addNewObjInfo(cd, newRate, probability);
 529                       }
 530                       fev = null;
 531                     }
 532                   }
 533                 }
 534               }
 535
 536               Iterator it_flags = ta.getFlagStates(cd).iterator();
 537               while(it_flags.hasNext()) {
 538                 FlagState fs = (FlagState)it_flags.next();
 539                 Iterator it_edges = fs.edges();
 540                 int total = 100;
 541                 while(it_edges.hasNext()) {
 542                   //do {
 543                   //    tint = r.nextInt()%10;
 544                   //   } while(tint <= 0);
 545                   tint = 3;
 546                   FEdge edge = (FEdge)it_edges.next();
 547                   edge.setExeTime(tint);
 548                   if((fs.getClassDescriptor().getSymbol().equals("MD")) && (edge.getTask().getSymbol().equals("t6"))) {
 549                     if(edge.isbackedge()) {
 550                       if(edge.getTarget().equals(edge.getSource())) {
 551                         edge.setProbability(93.75);
 552                       } else {
 553                         edge.setProbability(3.125);
 554                       }
 555                     } else {
 556                       edge.setProbability(3.125);
 557                     }
 558                     continue;
 559                   }
 560                   if(!it_edges.hasNext()) {
 561                     edge.setProbability(total);
 562                   } else {
 563                     if((total != 0) && (total != 1)) {
 564                       do {
 565                         tint = r.nextInt()%total;
 566                       } while(tint <= 0);
 567                     }
 568                     edge.setProbability(tint);
 569                     total -= tint;
 570                   }
 571                 }
 572               }
 573             }
 574           }
 575         }
 576
 577         // Use ownership analysis to get alias information
 578         CallGraph callGraph = new CallGraph(state);
 579         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 580                                                      tu,
 581                                                      callGraph,
 582                                                      state.OWNERSHIPALLOCDEPTH,
 583                                                      state.OWNERSHIPWRITEDOTS,
 584                                                      state.OWNERSHIPWRITEALL,
 585                                                      state.OWNERSHIPALIASFILE);
 586
 587         // Save the current standard input, output, and error streams
 588         // for later restoration.
 589         PrintStream origOut = System.out;
 590
 591         // Create a new output stream for the standard output.
 592         PrintStream stdout  = null;
 593         try {
 594           stdout = new PrintStream(new FileOutputStream("/scratch/SimulatorResult.out"));
 595         } catch (Exception e) {
 596           // Sigh.  Couldn't open the file.
 597           System.out.println("Redirect:  Unable to open output file!");
 598           System.exit(1);
 599         }
 600
 601         // Print stuff to the original output and error streams.
 602         // On most systems all of this will end up on your console when you
 603         // run this application.
 604         //origOut.println ("\nRedirect:  Round #1");
 605         //System.out.println ("Test output via 'System.out'.");
 606         //origOut.println ("Test output via 'origOut' reference.");
 607
 608         // Set the System out and err streams to use our replacements.
 609         System.setOut(stdout);
 610
 611         // Print stuff to the original output and error streams.
 612         // The stuff printed through the 'origOut' and 'origErr' references
 613         // should go to the console on most systems while the messages
 614         // printed through the 'System.out' and 'System.err' will end up in
 615         // the files we created for them.
 616         //origOut.println ("\nRedirect:  Round #2");
 617         //System.out.println ("Test output via 'SimulatorResult.out'.");
 618         //origOut.println ("Test output via 'origOut' reference.");
 619
 620         // generate multiple schedulings
 621         ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
 622         scheduleAnalysis.preSchedule();
 623         scheduleAnalysis.scheduleAnalysis();
 624         //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 625         scheduleAnalysis.setCoreNum(state.CORENUM);
 626         scheduleAnalysis.schedule();
 627
 628         //simulate these schedulings
 629         ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
 630         Vector<Vector<Schedule>> schedulings = scheduleAnalysis.getSchedulings();
 631         Vector<Integer> selectedScheduling = new Vector<Integer>();
 632         int processTime = Integer.MAX_VALUE;
 633         if(schedulings.size() > 1500) {
 634           int index = 0;
 635           int upperbound = schedulings.size();
 636           long seed = 0;
 637           java.util.Random r = new java.util.Random(seed);
 638           for(int ii = 0; ii < 1500; ii++) {
 639             index = (int)((Math.abs((double)r.nextInt() / (double)Integer.MAX_VALUE)) * upperbound);
 640             System.out.println("Scheduling index:" + index);
 641             //System.err.println("Scheduling index:" + index);
 642             Vector<Schedule> scheduling = schedulings.elementAt(index);
 643             scheduleSimulator.setScheduling(scheduling);
 644             int tmpTime = scheduleSimulator.process();
 645             if(tmpTime < processTime) {
 646               selectedScheduling.clear();
 647               selectedScheduling.add(index);
 648               processTime = tmpTime;
 649             } else if(tmpTime == processTime) {
 650               selectedScheduling.add(index);
 651             }
 652             scheduling = null;
 653           }
 654         } else {
 655           Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
 656           int index = 0;
 657           while(it_scheduling.hasNext()) {
 658             Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 659             scheduleSimulator.setScheduling(scheduling);
 660             int tmpTime = scheduleSimulator.process();
 661             if(tmpTime < processTime) {
 662               selectedScheduling.clear();
 663               selectedScheduling.add(index);
 664               processTime = tmpTime;
 665             } else if(tmpTime == processTime) {
 666               selectedScheduling.add(index);
 667             }
 668             scheduling = null;
 669             index++;
 670           }
 671         }
 672
 673         System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
 674         for(int i = 0; i < selectedScheduling.size(); i++) {
 675           System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
 676         }
 677         System.out.println();
 678
 679         // Close the streams.
 680         try {
 681           stdout.close();
 682           System.setOut(origOut);
 683         } catch (Exception e) {
 684           origOut.println("Redirect:  Unable to close files!");
 685         }
 686
 687         if(state.MULTICORE) {
 688           //it_scheduling = scheduleAnalysis.getSchedulingsIter();
 689           //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 690           Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.firstElement());
 691           BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
 692           bcm.setOwnershipAnalysis(oa);
 693           bcm.buildCode();
 694           scheduling = null;
 695         }
 696         selectedScheduling = null;
 697       }
 698
 699     }
 700
 701     if(!state.MULTICORE) {
 702       if (state.DSM) {
 703         CallGraph callgraph=new CallGraph(state);
 704         if (state.PREFETCH) {
 705           //speed up prefetch generation using locality analysis results
 706           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 707           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 708         }
 709
 710         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 711         GenerateConversions gc=new GenerateConversions(la, state);
 712         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
 713         bc.buildCode();
 714       } else {
 715         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
 716         bc.buildCode();
 717       }
 718     }
 719
 720     if (state.FLATIRGRAPH) {
 721       FlatIRGraph firg = new FlatIRGraph(state,
 722                                          state.FLATIRGRAPHTASKS,
 723                                          state.FLATIRGRAPHUSERMETHODS,
 724                                          state.FLATIRGRAPHLIBMETHODS);
 725     }
 726
 727     if (state.OWNERSHIP) {
 728       CallGraph callGraph = new CallGraph(state);
 729       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 730                                                    tu,
 731                                                    callGraph,
 732                                                    state.OWNERSHIPALLOCDEPTH,
 733                                                    state.OWNERSHIPWRITEDOTS,
 734                                                    state.OWNERSHIPWRITEALL,
 735                                                    state.OWNERSHIPALIASFILE);
 736     }
 737
 738     System.exit(0);
 739   }
 740
 741   /** Reads in a source file and adds the parse tree to the state object. */
 742
 743   private static void readSourceFile(State state, String sourcefile) throws Exception {
 744     Reader fr = new BufferedReader(new FileReader(sourcefile));
 745     Lex.Lexer l = new Lex.Lexer(fr);
 746     java_cup.runtime.lr_parser g;
 747     g = new Parse.Parser(l);
 748     ParseNode p=null;
 749     try {
 750       p=(ParseNode) g./*debug_*/ parse().value;
 751     } catch (Exception e) {
 752       System.err.println("Error parsing file:"+sourcefile);
 753       e.printStackTrace();
 754       System.exit(-1);
 755     }
 756     state.addParseNode(p);
 757     if (l.numErrors()!=0) {
 758       System.out.println("Error parsing "+sourcefile);
 759       System.exit(l.numErrors());
 760     }
 761   }
 762
 763   static class TaskInfo {
 764     public int m_numofexits;
 765     public int[] m_exetime;
 766     public double[] m_probability;
 767     public Vector<Hashtable<String, Integer>> m_newobjinfo;
 768     public int m_byObj;
 769
 770     public TaskInfo(int numofexits) {
 771       this.m_numofexits = numofexits;
 772       this.m_exetime = new int[this.m_numofexits];
 773       this.m_probability = new double[this.m_numofexits];
 774       this.m_newobjinfo = new Vector<Hashtable<String, Integer>>();
 775       for(int i = 0; i < this.m_numofexits; i++) {
 776         this.m_newobjinfo.add(null);
 777       }
 778       this.m_byObj = -1;
 779     }
 780   }
 781 }