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