Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.InputStream;
   5 import java.io.PrintStream;
   6 import java.io.Reader;
   7 import java.io.BufferedReader;
   8 import java.io.FileReader;
   9 import java.io.FileInputStream;
  10 import java.util.Iterator;
  11 import java.util.Vector;
  12
  13 import IR.Tree.ParseNode;
  14 import IR.Tree.BuildIR;
  15 import IR.Tree.SemanticCheck;
  16 import IR.Flat.BuildCodeMultiCore;
  17 import IR.Flat.BuildFlat;
  18 import IR.Flat.BuildCode;
  19 import IR.ClassDescriptor;
  20 import IR.State;
  21 import IR.TaskDescriptor;
  22 import IR.TypeUtil;
  23 import Analysis.Scheduling.Schedule;
  24 import Analysis.Scheduling.ScheduleAnalysis;
  25 import Analysis.Scheduling.ScheduleEdge;
  26 import Analysis.Scheduling.ScheduleNode;
  27 import Analysis.Scheduling.ScheduleSimulator;
  28 import Analysis.TaskStateAnalysis.TaskAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskGraph;
  31 import Analysis.CallGraph.CallGraph;
  32 import Analysis.TaskStateAnalysis.FEdge;
  33 import Analysis.TaskStateAnalysis.FlagState;
  34 import Analysis.TaskStateAnalysis.TagAnalysis;
  35 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  36 import Analysis.TaskStateAnalysis.ExecutionGraph;
  37 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  38 import Analysis.Locality.LocalityAnalysis;
  39 import Analysis.Locality.GenerateConversions;
  40 import Analysis.Prefetch.PrefetchAnalysis;
  41 import Analysis.FlatIRGraph.FlatIRGraph;
  42 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  43 import Interface.*;
  44
  45 public class Main {
  46
  47   /** Main method for the compiler.  */
  48
  49   public static void main(String args[]) throws Exception {
  50     String ClassLibraryPrefix="./ClassLibrary/";
  51     State state=new State();
  52
  53     for(int i=0; i<args.length; i++) {
  54       String option=args[i];
  55       if (option.equals("-precise"))
  56         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  57       else if (option.equals("-prefetch"))
  58         state.PREFETCH=true;
  59       else if (option.equals("-dir"))
  60         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  61       else if (option.equals("-selfloop"))
  62         state.selfloops.add(args[++i]);
  63       else if (option.equals("-excprefetch"))
  64         state.excprefetch.add(args[++i]);
  65       else if (option.equals("-classlibrary"))
  66         ClassLibraryPrefix=args[++i]+"/";
  67       else if(option.equals("-numcore")) {
  68         ++i;
  69         state.CORENUM = Integer.parseInt(args[i]);
  70       } else if (option.equals("-mainclass"))
  71         state.main=args[++i];
  72       else if (option.equals("-trueprob")) {
  73         state.TRUEPROB=Double.parseDouble(args[++i]);
  74       } else if (option.equals("-printflat"))
  75         State.PRINTFLAT=true;
  76       else if (option.equals("-struct"))
  77         state.structfile=args[++i];
  78       else if (option.equals("-conscheck"))
  79         state.CONSCHECK=true;
  80       else if (option.equals("-task"))
  81         state.TASK=true;
  82       else if (option.equals("-taskstate"))
  83         state.TASKSTATE=true;
  84       else if (option.equals("-tagstate"))
  85         state.TAGSTATE=true;
  86       else if (option.equals("-flatirtasks")) {
  87         state.FLATIRGRAPH=true;
  88         state.FLATIRGRAPHTASKS=true;
  89       } else if (option.equals("-flatirusermethods")) {
  90         state.FLATIRGRAPH=true;
  91         state.FLATIRGRAPHUSERMETHODS=true;
  92       } else if (option.equals("-flatirlibmethods")) {
  93         state.FLATIRGRAPH=true;
  94         state.FLATIRGRAPHLIBMETHODS=true;
  95       } else if (option.equals("-multicore"))
  96         state.MULTICORE=true;
  97       else if (option.equals("-ownership"))
  98         state.OWNERSHIP=true;
  99       else if (option.equals("-ownallocdepth")) {
 100         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 101       } else if (option.equals("-ownwritedots")) {
 102         state.OWNERSHIPWRITEDOTS=true;
 103         if (args[++i].equals("all")) {
 104           state.OWNERSHIPWRITEALL=true;
 105         }
 106       } else if (option.equals("-ownaliasfile"))
 107         state.OWNERSHIPALIASFILE=args[++i];
 108       else if (option.equals("-optional"))
 109         state.OPTIONAL=true;
 110       else if (option.equals("-raw"))
 111         state.RAW=true;
 112       else if (option.equals("-scheduling"))
 113         state.SCHEDULING=true;
 114       else if (option.equals("-thread"))
 115         state.THREAD=true;
 116       else if (option.equals("-dsm"))
 117         state.DSM=true;
 118       else if (option.equals("-webinterface"))
 119         state.WEBINTERFACE=true;
 120       else if (option.equals("-instructionfailures"))
 121         state.INSTRUCTIONFAILURE=true;
 122       else if (option.equals("-help")) {
 123         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 124         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 125         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 126         System.out.println("-struct structfile -- output structure declarations for repair tool");
 127         System.out.println("-mainclass -- main function to call");
 128         System.out.println("-dsm -- distributed shared memory support");
 129         System.out.println("-precise -- use precise garbage collection");
 130         System.out.println("-conscheck -- turn on consistency checking");
 131         System.out.println("-task -- compiler for tasks");
 132         System.out.println("-thread -- threads");
 133         System.out.println("-trueprob <d> -- probability of true branch");
 134         System.out.println("-printflat -- print out flat representation");
 135         System.out.println("-instructionfailures -- insert code for instruction level failures");
 136         System.out.println("-taskstate -- do task state analysis");
 137         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 138         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 139         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 140         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 141         System.out.println("-ownership -- do ownership analysis");
 142         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 143         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 144         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 145         System.out.println("-optional -- enable optional arguments");
 146         System.out.println("-webinterface -- enable web interface");
 147         System.out.println("-help -- print out help");
 148         System.exit(0);
 149       } else {
 150         readSourceFile(state, args[i]);
 151       }
 152     }
 153
 154
 155     readSourceFile(state, ClassLibraryPrefix+"System.java");
 156     readSourceFile(state, ClassLibraryPrefix+"String.java");
 157     readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
 158     readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
 159     readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
 160     readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
 161     readSourceFile(state, ClassLibraryPrefix+"Integer.java");
 162     readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
 163     //if(!state.RAW) {
 164     readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
 165     readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
 166     readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
 167     readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
 168     readSourceFile(state, ClassLibraryPrefix+"File.java");
 169     readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
 170     readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
 171     readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
 172     //}
 173     readSourceFile(state, ClassLibraryPrefix+"Math.java");
 174     readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
 175     readSourceFile(state, ClassLibraryPrefix+"Vector.java");
 176     readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
 177
 178     if (state.TASK) {
 179       readSourceFile(state, ClassLibraryPrefix+"Object.java");
 180       readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
 181     } else if (state.DSM) {
 182       readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
 183       readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
 184       readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
 185     } else {
 186       if (state.THREAD) {
 187         readSourceFile(state, ClassLibraryPrefix+"Thread.java");
 188         readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
 189       } else
 190         readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
 191     }
 192
 193     if (state.TASK) {
 194       readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
 195       readSourceFile(state, ClassLibraryPrefix+"Socket.java");
 196       readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
 197     } else {
 198       readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
 199       readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
 200     }
 201
 202     BuildIR bir=new BuildIR(state);
 203     bir.buildtree();
 204
 205     TypeUtil tu=new TypeUtil(state);
 206
 207     SemanticCheck sc=new SemanticCheck(state,tu);
 208     sc.semanticCheck();
 209     tu.createFullTable();
 210
 211     BuildFlat bf=new BuildFlat(state,tu);
 212     bf.buildFlat();
 213     SafetyAnalysis sa=null;
 214     PrefetchAnalysis pa=null;
 215
 216     if (state.TAGSTATE) {
 217       CallGraph callgraph=new CallGraph(state);
 218       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 219       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
 220     }
 221
 222     if (state.TASKSTATE) {
 223       CallGraph callgraph=new CallGraph(state);
 224       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 225       TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
 226       ta.taskAnalysis();
 227       TaskGraph tg=new TaskGraph(state, ta);
 228       tg.createDOTfiles();
 229
 230       if (state.OPTIONAL) {
 231         ExecutionGraph et=new ExecutionGraph(state, ta);
 232         et.createExecutionGraph();
 233         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 234         sa.doAnalysis();
 235         state.storeAnalysisResult(sa.getResult());
 236         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 237       }
 238
 239       if (state.WEBINTERFACE) {
 240         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 241         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 242         JhttpServer serve=new JhttpServer(8000,wi);
 243         serve.run();
 244       }
 245
 246       if (state.SCHEDULING) {
 247         // Save the current standard input, output, and error streams
 248         // for later restoration.
 249         PrintStream origOut = System.out;
 250
 251         // Create a new output stream for the standard output.
 252         PrintStream stdout  = null;
 253         try {
 254           stdout = new PrintStream(new FileOutputStream("SimulatorResult.out"));
 255         } catch (Exception e) {
 256           // Sigh.  Couldn't open the file.
 257           System.out.println("Redirect:  Unable to open output file!");
 258           System.exit(1);
 259         }
 260
 261         // Print stuff to the original output and error streams.
 262         // On most systems all of this will end up on your console when you
 263         // run this application.
 264         //origOut.println ("\nRedirect:  Round #1");
 265         //System.out.println ("Test output via 'System.out'.");
 266         //origOut.println ("Test output via 'origOut' reference.");
 267
 268         // Set the System out and err streams to use our replacements.
 269         System.setOut(stdout);
 270
 271         // Print stuff to the original output and error streams.
 272         // The stuff printed through the 'origOut' and 'origErr' references
 273         // should go to the console on most systems while the messages
 274         // printed through the 'System.out' and 'System.err' will end up in
 275         // the files we created for them.
 276         //origOut.println ("\nRedirect:  Round #2");
 277         //System.out.println ("Test output via 'SimulatorResult.out'.");
 278         //origOut.println ("Test output via 'origOut' reference.");
 279
 280         // for test
 281         // Randomly set the newRate and probability of FEdges
 282         java.util.Random r=new java.util.Random();
 283         int tint = 0;
 284         for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 285           ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 286           if(cd.hasFlags()) {
 287             Vector rootnodes=ta.getRootNodes(cd);
 288             if(rootnodes!=null)
 289               for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
 290                 FlagState root=(FlagState)it_rootnodes.next();
 291                 Vector allocatingTasks = root.getAllocatingTasks();
 292                 if(allocatingTasks != null) {
 293                   for(int k = 0; k < allocatingTasks.size(); k++) {
 294                     TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 295                     Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 296                     int numEdges = fev.size();
 297                     int total = 100;
 298                     for(int j = 0; j < numEdges; j++) {
 299                       FEdge pfe = fev.elementAt(j);
 300                       if(numEdges - j == 1) {
 301                         pfe.setProbability(total);
 302                       } else {
 303                         if((total != 0) && (total != 1)) {
 304                           do {
 305                             tint = r.nextInt()%total;
 306                           } while(tint <= 0);
 307                         }
 308                         pfe.setProbability(tint);
 309                         total -= tint;
 310                       }
 311                       /*do {
 312                           tint = r.nextInt()%10;
 313                          } while(tint <= 0);*/
 314                       //int newRate = tint;
 315                       //int newRate = (j+1)%2+1;
 316                       int newRate = 1;
 317                       String cdname = cd.getSymbol();
 318                       if((cdname.equals("SeriesRunner")) ||
 319                          (cdname.equals("MDRunner")) ||
 320                          (cdname.equals("Stage")) ||
 321                          (cdname.equals("AppDemoRunner")) ||
 322                          (cdname.equals("FilterBankAtom"))) {
 323                         newRate = 16;
 324                       } else if(cdname.equals("SentenceParser")) {
 325                         newRate = 4;
 326                       }
 327                       /*do {
 328                           tint = r.nextInt()%100;
 329                          } while(tint <= 0);
 330                          int probability = tint;*/
 331                       int probability = 100;
 332                       pfe.addNewObjInfo(cd, newRate, probability);
 333                     }
 334                   }
 335                 }
 336               }
 337
 338             Iterator it_flags = ta.getFlagStates(cd).iterator();
 339             while(it_flags.hasNext()) {
 340               FlagState fs = (FlagState)it_flags.next();
 341               Iterator it_edges = fs.edges();
 342               while(it_edges.hasNext()) {
 343                 /*do {
 344                     tint = r.nextInt()%10;
 345                    } while(tint <= 0);*/
 346                 tint = 3;
 347                 ((FEdge)it_edges.next()).setExeTime(tint);
 348               }
 349             }
 350           }
 351         }
 352
 353         // generate multiple schedulings
 354         ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
 355         scheduleAnalysis.preSchedule();
 356         scheduleAnalysis.scheduleAnalysis();
 357         //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 358         scheduleAnalysis.setCoreNum(state.CORENUM);
 359         scheduleAnalysis.schedule();
 360
 361         //simulate these schedulings
 362         ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
 363         Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
 364         int index = 0;
 365         Vector<Integer> selectedScheduling = new Vector<Integer>();
 366         int processTime = Integer.MAX_VALUE;
 367         while(it_scheduling.hasNext()) {
 368           Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 369           scheduleSimulator.setScheduling(scheduling);
 370           int tmpTime = scheduleSimulator.process();
 371           if(tmpTime < processTime) {
 372             selectedScheduling.clear();
 373             selectedScheduling.add(index);
 374             processTime = tmpTime;
 375           } else if(tmpTime == processTime) {
 376             selectedScheduling.add(index);
 377           }
 378           index++;
 379         }
 380         System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
 381         for(int i = 0; i < selectedScheduling.size(); i++) {
 382           System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
 383         }
 384         System.out.println();
 385
 386         /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
 387            Vector<Schedule> scheduling = new Vector<Schedule>();
 388            for(int i = 0; i < 4; i++) {
 389             Schedule schedule = new Schedule(i);
 390             scheduling.add(schedule);
 391            }
 392            Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
 393            while(it_tasks.hasNext()) {
 394             TaskDescriptor td = (TaskDescriptor)it_tasks.next();
 395             if(td.getSymbol().equals("t10")) {
 396                 scheduling.elementAt(1).addTask(td);
 397             } else {
 398                 scheduling.elementAt(0).addTask(td);
 399             }
 400            }
 401            ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
 402            scheduling.elementAt(0).addTargetCore(cd, 1);
 403            scheduleSimulator.setScheduling(scheduling);
 404            scheduleSimulator.process();
 405
 406            Vector<Schedule> scheduling1 = new Vector<Schedule>();
 407            for(int i = 0; i < 4; i++) {
 408             Schedule schedule = new Schedule(i);
 409             scheduling1.add(schedule);
 410            }
 411            Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
 412            while(it_tasks1.hasNext()) {
 413             TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
 414             scheduling1.elementAt(0).addTask(td);
 415            }
 416            scheduleSimulator.setScheduling(scheduling1);
 417            scheduleSimulator.process();*/
 418
 419         // Close the streams.
 420         try {
 421           stdout.close();
 422           System.setOut(origOut);
 423         } catch (Exception e) {
 424           origOut.println("Redirect:  Unable to close files!");
 425         }
 426
 427         if(state.MULTICORE) {
 428           //it_scheduling = scheduleAnalysis.getSchedulingsIter();
 429           //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 430           Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.lastElement());
 431           BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
 432           bcm.buildCode();
 433         }
 434       }
 435
 436     }
 437
 438     if(!state.MULTICORE) {
 439       if (state.DSM) {
 440         CallGraph callgraph=new CallGraph(state);
 441         if (state.PREFETCH) {
 442           //speed up prefetch generation using locality analysis results
 443           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 444           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 445         }
 446
 447         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 448         GenerateConversions gc=new GenerateConversions(la, state);
 449         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
 450         bc.buildCode();
 451       } else {
 452         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
 453         bc.buildCode();
 454       }
 455     }
 456
 457     if (state.FLATIRGRAPH) {
 458       FlatIRGraph firg = new FlatIRGraph(state,
 459                                          state.FLATIRGRAPHTASKS,
 460                                          state.FLATIRGRAPHUSERMETHODS,
 461                                          state.FLATIRGRAPHLIBMETHODS);
 462     }
 463
 464     if (state.OWNERSHIP) {
 465       CallGraph callGraph = new CallGraph(state);
 466       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 467                                                    tu,
 468                                                    callGraph,
 469                                                    state.OWNERSHIPALLOCDEPTH,
 470                                                    state.OWNERSHIPWRITEDOTS,
 471                                                    state.OWNERSHIPWRITEALL,
 472                                                    state.OWNERSHIPALIASFILE);
 473     }
 474
 475     System.exit(0);
 476   }
 477
 478   /** Reads in a source file and adds the parse tree to the state object. */
 479
 480   private static void readSourceFile(State state, String sourcefile) throws Exception {
 481     Reader fr = new BufferedReader(new FileReader(sourcefile));
 482     Lex.Lexer l = new Lex.Lexer(fr);
 483     java_cup.runtime.lr_parser g;
 484     g = new Parse.Parser(l);
 485     ParseNode p=null;
 486     try {
 487       p=(ParseNode) g./*debug_*/ parse().value;
 488     } catch (Exception e) {
 489       System.err.println("Error parsing file:"+sourcefile);
 490       e.printStackTrace();
 491       System.exit(-1);
 492     }
 493     state.addParseNode(p);
 494     if (l.numErrors()!=0) {
 495       System.out.println("Error parsing "+sourcefile);
 496       System.exit(l.numErrors());
 497     }
 498   }
 499 }