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