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("-mainclass"))
  68               state.main=args[++i];
  69           else if (option.equals("-trueprob")) {
  70               state.TRUEPROB=Double.parseDouble(args[++i]);
  71           } else if (option.equals("-printflat"))
  72               State.PRINTFLAT=true;
  73           else if (option.equals("-struct"))
  74               state.structfile=args[++i];
  75           else if (option.equals("-conscheck"))
  76               state.CONSCHECK=true;
  77           else if (option.equals("-task"))
  78               state.TASK=true;
  79           else if (option.equals("-taskstate"))
  80               state.TASKSTATE=true;
  81           else if (option.equals("-tagstate"))
  82               state.TAGSTATE=true;
  83           else if (option.equals("-flatirtasks")) {
  84               state.FLATIRGRAPH=true;
  85               state.FLATIRGRAPHTASKS=true;
  86           }
  87           else if (option.equals("-flatirusermethods")) {
  88               state.FLATIRGRAPH=true;
  89               state.FLATIRGRAPHUSERMETHODS=true;
  90           }
  91           else if (option.equals("-flatirlibmethods")) {
  92               state.FLATIRGRAPH=true;
  93               state.FLATIRGRAPHLIBMETHODS=true;
  94           }
  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       readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
 152       readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
 153       readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
 154       readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
 155       readSourceFile(state, ClassLibraryPrefix+"File.java");
 156       readSourceFile(state, ClassLibraryPrefix+"Math.java");
 157       readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
 158       readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
 159       readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
 160       readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
 161           readSourceFile(state, ClassLibraryPrefix+"Vector.java");
 162           readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
 163
 164
 165       if (state.TASK) {
 166           readSourceFile(state, ClassLibraryPrefix+"Object.java");
 167           readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
 168       } else if (state.DSM) {
 169           readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
 170           readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
 171       } else {
 172           if (state.THREAD) {
 173               readSourceFile(state, ClassLibraryPrefix+"Thread.java");
 174               readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
 175           } else
 176               readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
 177       }
 178
 179       if (state.TASK) {
 180           readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
 181           readSourceFile(state, ClassLibraryPrefix+"Socket.java");
 182           readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
 183       } else {
 184           readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
 185           readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
 186       }
 187
 188       BuildIR bir=new BuildIR(state);
 189       bir.buildtree();
 190
 191       TypeUtil tu=new TypeUtil(state);
 192
 193       SemanticCheck sc=new SemanticCheck(state,tu);
 194       sc.semanticCheck();
 195       tu.createFullTable();
 196
 197       BuildFlat bf=new BuildFlat(state,tu);
 198       bf.buildFlat();
 199       SafetyAnalysis sa=null;
 200
 201       if (state.TAGSTATE) {
 202           CallGraph callgraph=new CallGraph(state);
 203           TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 204           TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
 205       }
 206
 207       if (state.TASKSTATE) {
 208           CallGraph callgraph=new CallGraph(state);
 209           TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 210           TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
 211           ta.taskAnalysis();
 212           TaskGraph tg=new TaskGraph(state, ta);
 213           tg.createDOTfiles();
 214
 215           if (state.OPTIONAL) {
 216               ExecutionGraph et=new ExecutionGraph(state, ta);
 217               et.createExecutionGraph();
 218               sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 219               sa.doAnalysis();
 220               state.storeAnalysisResult(sa.getResult());
 221               state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 222           }
 223
 224           if (state.WEBINTERFACE) {
 225               GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 226               WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 227               JhttpServer serve=new JhttpServer(8000,wi);
 228               serve.run();
 229           }
 230
 231           if (state.SCHEDULING) {
 232               // Save the current standard input, output, and error streams
 233               // for later restoration.
 234               PrintStream       origOut = System.out;
 235
 236               // Create a new output stream for the standard output.
 237               PrintStream       stdout  = null;
 238               try {
 239                   stdout = new PrintStream (new FileOutputStream("SimulatorResult.out"));
 240               } catch (Exception e) {
 241                   // Sigh.  Couldn't open the file.
 242                   System.out.println ("Redirect:  Unable to open output file!");
 243                   System.exit (1);
 244               }
 245
 246               // Print stuff to the original output and error streams.
 247               // On most systems all of this will end up on your console when you
 248               // run this application.
 249               //origOut.println ("\nRedirect:  Round #1");
 250               //System.out.println ("Test output via 'System.out'.");
 251               //origOut.println ("Test output via 'origOut' reference.");
 252
 253               // Set the System out and err streams to use our replacements.
 254               System.setOut(stdout);
 255
 256               // Print stuff to the original output and error streams.
 257               // The stuff printed through the 'origOut' and 'origErr' references
 258               // should go to the console on most systems while the messages
 259               // printed through the 'System.out' and 'System.err' will end up in
 260               // the files we created for them.
 261               //origOut.println ("\nRedirect:  Round #2");
 262               //System.out.println ("Test output via 'SimulatorResult.out'.");
 263               //origOut.println ("Test output via 'origOut' reference.");
 264
 265               // for test
 266               // Randomly set the newRate and probability of FEdges
 267               java.util.Random r=new java.util.Random();
 268               int tint = 0;
 269               for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator();it_classes.hasNext();) {
 270                   ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 271                   if(cd.hasFlags()){
 272                       Vector rootnodes=ta.getRootNodes(cd);
 273                       if(rootnodes!=null)
 274                           for(Iterator it_rootnodes=rootnodes.iterator();it_rootnodes.hasNext();){
 275                               FlagState root=(FlagState)it_rootnodes.next();
 276                               Vector allocatingTasks = root.getAllocatingTasks();
 277                               if(allocatingTasks != null) {
 278                                   for(int k = 0; k < allocatingTasks.size(); k++) {
 279                                       TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 280                                       Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 281                                       int numEdges = fev.size();
 282                                       int total = 100;
 283                                       for(int j = 0; j < numEdges; j++) {
 284                                           FEdge pfe = fev.elementAt(j);
 285                                           if(numEdges - j == 1) {
 286                                               pfe.setProbability(total);
 287                                           } else {
 288                                               if((total != 0) && (total != 1)){
 289                                                   do {
 290                                                       tint = r.nextInt()%total;
 291                                                   } while(tint <= 0);
 292                                               }
 293                                               pfe.setProbability(tint);
 294                                               total -= tint;
 295                                           }
 296                                           /*do {
 297                                               tint = r.nextInt()%10;
 298                                           } while(tint <= 0);*/
 299                                           //int newRate = tint;
 300                                           //int newRate = (j+1)%2+1;
 301                                           int newRate = 1;
 302                                           /*do {
 303                                               tint = r.nextInt()%100;
 304                                           } while(tint <= 0);
 305                                           int probability = tint;*/
 306                                           int probability = 100;
 307                                           pfe.addNewObjInfo(cd, newRate, probability);
 308                                       }
 309                                   }
 310                               }
 311                           }
 312
 313                       Iterator it_flags = ta.getFlagStates(cd).iterator();
 314                       while(it_flags.hasNext()) {
 315                           FlagState fs = (FlagState)it_flags.next();
 316                           Iterator it_edges = fs.edges();
 317                           while(it_edges.hasNext()) {
 318                               /*do {
 319                                   tint = r.nextInt()%10;
 320                               } while(tint <= 0);*/
 321                               tint = 1;
 322                               ((FEdge)it_edges.next()).setExeTime(tint);
 323                           }
 324                       }
 325                   }
 326               }
 327
 328               // generate multiple schedulings
 329               ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
 330               scheduleAnalysis.preSchedule();
 331               scheduleAnalysis.scheduleAnalysis();
 332               //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 333               scheduleAnalysis.setCoreNum(1);
 334               //scheduleAnalysis.setCoreNum(2);
 335               scheduleAnalysis.schedule();
 336
 337               //simulate these schedulings
 338               ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
 339               Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
 340               int index = 0;
 341               Vector<Integer> selectedScheduling = new Vector<Integer>();
 342               int processTime = Integer.MAX_VALUE;
 343               while(it_scheduling.hasNext()) {
 344                   Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 345                   scheduleSimulator.setScheduling(scheduling);
 346                   int tmpTime = scheduleSimulator.process();
 347                   if(tmpTime < processTime) {
 348                       selectedScheduling.clear();
 349                       selectedScheduling.add(index);
 350                       processTime = tmpTime;
 351                   } else if(tmpTime == processTime) {
 352                       selectedScheduling.add(index);
 353                   }
 354                   index++;
 355               }
 356               System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
 357               for(int i = 0; i < selectedScheduling.size(); i++) {
 358                   System.out.print(selectedScheduling.elementAt(i) + ", ");
 359               }
 360               System.out.println();
 361
 362               /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
 363               Vector<Schedule> scheduling = new Vector<Schedule>();
 364               for(int i = 0; i < 4; i++) {
 365                   Schedule schedule = new Schedule(i);
 366                   scheduling.add(schedule);
 367               }
 368               Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
 369               while(it_tasks.hasNext()) {
 370                   TaskDescriptor td = (TaskDescriptor)it_tasks.next();
 371                   if(td.getSymbol().equals("t10")) {
 372                       scheduling.elementAt(1).addTask(td);
 373                   } else {
 374                       scheduling.elementAt(0).addTask(td);
 375                   }
 376               }
 377               ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
 378               scheduling.elementAt(0).addTargetCore(cd, 1);
 379               scheduleSimulator.setScheduling(scheduling);
 380               scheduleSimulator.process();
 381
 382               Vector<Schedule> scheduling1 = new Vector<Schedule>();
 383               for(int i = 0; i < 4; i++) {
 384                   Schedule schedule = new Schedule(i);
 385                   scheduling1.add(schedule);
 386               }
 387               Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
 388               while(it_tasks1.hasNext()) {
 389                   TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
 390                   scheduling1.elementAt(0).addTask(td);
 391               }
 392               scheduleSimulator.setScheduling(scheduling1);
 393               scheduleSimulator.process();*/
 394
 395               // Close the streams.
 396               try {
 397                   stdout.close ();
 398                   System.setOut(origOut);
 399               } catch (Exception e) {
 400                   origOut.println ("Redirect:  Unable to close files!");
 401               }
 402
 403               if(state.MULTICORE) {
 404                   it_scheduling = scheduleAnalysis.getSchedulingsIter();
 405                   Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 406                   BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum());
 407                   bcm.buildCode();
 408               }
 409           }
 410
 411       }
 412
 413       if(!state.MULTICORE) {
 414           if (state.DSM) {
 415               CallGraph callgraph=new CallGraph(state);
 416               if (state.PREFETCH) {
 417                   PrefetchAnalysis pa=new PrefetchAnalysis(state, callgraph, tu);
 418               }
 419               LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 420               GenerateConversions gc=new GenerateConversions(la, state);
 421               BuildCode bc=new BuildCode(state, bf.getMap(), tu, la);
 422               bc.buildCode();
 423           } else {
 424               BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa);
 425               bc.buildCode();
 426           }
 427       }
 428
 429       if (state.FLATIRGRAPH) {
 430           FlatIRGraph firg = new FlatIRGraph(state,
 431                                              state.FLATIRGRAPHTASKS,
 432                                              state.FLATIRGRAPHUSERMETHODS,
 433                                              state.FLATIRGRAPHLIBMETHODS);
 434       }
 435
 436       if (state.OWNERSHIP) {
 437           CallGraph callGraph  = new CallGraph( state );
 438           int allocationDepth  = 3;
 439           OwnershipAnalysis oa =
 440               new OwnershipAnalysis( state, callGraph, allocationDepth );
 441           //This was breaking the compile
 442           //      oa.writeAllAliases( "identifiedAliases.txt" );
 443       }
 444
 445       System.exit(0);
 446   }
 447
 448     /** Reads in a source file and adds the parse tree to the state object. */
 449
 450     private static void readSourceFile(State state, String sourcefile) throws Exception {
 451         Reader fr = new BufferedReader(new FileReader(sourcefile));
 452         Lex.Lexer l = new Lex.Lexer(fr);
 453         java_cup.runtime.lr_parser g;
 454         g = new Parse.Parser(l);
 455         ParseNode p=null;
 456         try {
 457             p=(ParseNode) g./*debug_*/parse().value;
 458         } catch (Exception e) {
 459             System.err.println("Error parsing file:"+sourcefile);
 460             e.printStackTrace();
 461             System.exit(-1);
 462         }
 463         state.addParseNode(p);
 464         if (l.numErrors()!=0) {
 465             System.out.println("Error parsing "+sourcefile);
 466             System.exit(l.numErrors());
 467         }
 468     }
 469 }