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