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