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.BuildFlat;
  17 import IR.Flat.BuildCode;
  18 import IR.ClassDescriptor;
  19 import IR.State;
  20 import IR.TaskDescriptor;
  21 import IR.TypeUtil;
  22 import Analysis.Scheduling.Schedule;
  23 import Analysis.Scheduling.ScheduleAnalysis;
  24 import Analysis.Scheduling.ScheduleEdge;
  25 import Analysis.Scheduling.ScheduleNode;
  26 import Analysis.Scheduling.ScheduleSimulator;
  27 import Analysis.TaskStateAnalysis.TaskAnalysis;
  28 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskGraph;
  30 import Analysis.CallGraph.CallGraph;
  31 import Analysis.TaskStateAnalysis.FEdge;
  32 import Analysis.TaskStateAnalysis.FlagState;
  33 import Analysis.TaskStateAnalysis.TagAnalysis;
  34 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  35 import Analysis.TaskStateAnalysis.ExecutionGraph;
  36 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  37 import Analysis.Locality.LocalityAnalysis;
  38 import Analysis.Locality.GenerateConversions;
  39 import Analysis.Prefetch.PrefetchAnalysis;
  40 import Analysis.FlatIRGraph.FlatIRGraph;
  41 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  42 import Interface.*;
  43
  44 public class Main {
  45
  46     /** Main method for the compiler.  */
  47
  48   public static void main(String args[]) throws Exception {
  49       String ClassLibraryPrefix="./ClassLibrary/";
  50       State state=new State();
  51
  52       for(int i=0;i<args.length;i++) {
  53           String option=args[i];
  54           if (option.equals("-precise"))
  55               IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  56           else if (option.equals("-prefetch"))
  57               state.PREFETCH=true;
  58           else if (option.equals("-dir"))
  59               IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  60           else if (option.equals("-selfloop"))
  61               state.selfloops.add(args[++i]);
  62           else if (option.equals("-excprefetch"))
  63               state.excprefetch.add(args[++i]);
  64           else if (option.equals("-classlibrary"))
  65               ClassLibraryPrefix=args[++i]+"/";
  66           else if (option.equals("-mainclass"))
  67               state.main=args[++i];
  68           else if (option.equals("-printflat"))
  69               State.PRINTFLAT=true;
  70           else if (option.equals("-struct"))
  71               state.structfile=args[++i];
  72           else if (option.equals("-conscheck"))
  73               state.CONSCHECK=true;
  74           else if (option.equals("-task"))
  75               state.TASK=true;
  76           else if (option.equals("-taskstate"))
  77               state.TASKSTATE=true;
  78           else if (option.equals("-tagstate"))
  79               state.TAGSTATE=true;
  80           else if (option.equals("-flatirtasks")) {
  81               state.FLATIRGRAPH=true;
  82               state.FLATIRGRAPHTASKS=true;
  83           }
  84           else if (option.equals("-flatirusermethods")) {
  85               state.FLATIRGRAPH=true;
  86               state.FLATIRGRAPHUSERMETHODS=true;
  87           }
  88           else if (option.equals("-flatirlibmethods")) {
  89               state.FLATIRGRAPH=true;
  90               state.FLATIRGRAPHLIBMETHODS=true;
  91           }
  92           else if (option.equals("-ownership"))
  93               state.OWNERSHIP=true;
  94           else if (option.equals("-optional"))
  95               state.OPTIONAL=true;
  96           else if (option.equals("-scheduling"))
  97                   state.SCHEDULING=true;
  98           else if (option.equals("-thread"))
  99               state.THREAD=true;
 100           else if (option.equals("-dsm"))
 101               state.DSM=true;
 102           else if (option.equals("-webinterface"))
 103               state.WEBINTERFACE=true;
 104           else if (option.equals("-instructionfailures"))
 105               state.INSTRUCTIONFAILURE=true;
 106           else if (option.equals("-help")) {
 107               System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 108               System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 109               System.out.println("-dir outputdirectory -- output code in outputdirectory");
 110               System.out.println("-struct structfile -- output structure declarations for repair tool");
 111               System.out.println("-mainclass -- main function to call");
 112               System.out.println("-dsm -- distributed shared memory support");
 113               System.out.println("-precise -- use precise garbage collection");
 114               System.out.println("-conscheck -- turn on consistency checking");
 115               System.out.println("-task -- compiler for tasks");
 116               System.out.println("-thread -- threads");
 117               System.out.println("-printflat -- print out flat representation");
 118               System.out.println("-instructionfailures -- insert code for instruction level failures");
 119               System.out.println("-taskstate -- do task state analysis");
 120               System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 121               System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 122               System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 123               System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 124               System.out.println("-ownership -- do ownership analysis");
 125               System.out.println("-optional -- enable optional arguments");
 126               System.out.println("-webinterface -- enable web interface");
 127               System.out.println("-help -- print out help");
 128               System.exit(0);
 129           } else {
 130               readSourceFile(state, args[i]);
 131           }
 132       }
 133
 134
 135       readSourceFile(state, ClassLibraryPrefix+"System.java");
 136       readSourceFile(state, ClassLibraryPrefix+"String.java");
 137       readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
 138       readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
 139       readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
 140       readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
 141       readSourceFile(state, ClassLibraryPrefix+"Integer.java");
 142       readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
 143       readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
 144       readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
 145       readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
 146       readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
 147       readSourceFile(state, ClassLibraryPrefix+"File.java");
 148       readSourceFile(state, ClassLibraryPrefix+"Math.java");
 149       readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
 150       readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
 151       readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
 152       readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
 153           readSourceFile(state, ClassLibraryPrefix+"Vector.java");
 154           readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
 155
 156
 157       if (state.TASK) {
 158           readSourceFile(state, ClassLibraryPrefix+"Object.java");
 159           readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
 160       } else if (state.DSM) {
 161           readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
 162           readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
 163       } else {
 164           if (state.THREAD) {
 165               readSourceFile(state, ClassLibraryPrefix+"Thread.java");
 166               readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
 167           } else
 168               readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
 169       }
 170
 171       if (state.TASK) {
 172           readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
 173           readSourceFile(state, ClassLibraryPrefix+"Socket.java");
 174           readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
 175       } else {
 176           readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
 177           readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
 178       }
 179
 180       BuildIR bir=new BuildIR(state);
 181       bir.buildtree();
 182
 183       TypeUtil tu=new TypeUtil(state);
 184
 185       SemanticCheck sc=new SemanticCheck(state,tu);
 186       sc.semanticCheck();
 187       tu.createFullTable();
 188
 189       BuildFlat bf=new BuildFlat(state,tu);
 190       bf.buildFlat();
 191       SafetyAnalysis sa=null;
 192
 193       if (state.TAGSTATE) {
 194           CallGraph callgraph=new CallGraph(state);
 195           TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 196           TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
 197       }
 198
 199       if (state.TASKSTATE) {
 200           CallGraph callgraph=new CallGraph(state);
 201           TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 202           TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
 203           ta.taskAnalysis();
 204           TaskGraph tg=new TaskGraph(state, ta);
 205           tg.createDOTfiles();
 206
 207           if (state.OPTIONAL) {
 208               ExecutionGraph et=new ExecutionGraph(state, ta);
 209               et.createExecutionGraph();
 210               sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 211               sa.doAnalysis();
 212               state.storeAnalysisResult(sa.getResult());
 213               state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 214           }
 215
 216           if (state.WEBINTERFACE) {
 217               GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 218               WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 219               JhttpServer serve=new JhttpServer(8000,wi);
 220               serve.run();
 221           }
 222
 223           if (state.SCHEDULING) {
 224               // Save the current standard input, output, and error streams
 225               // for later restoration.
 226               PrintStream       origOut = System.out;
 227
 228               // Create a new output stream for the standard output.
 229               PrintStream       stdout  = null;
 230               try {
 231                   stdout = new PrintStream (new FileOutputStream("SimulatorResult.out"));
 232               } catch (Exception e) {
 233                   // Sigh.  Couldn't open the file.
 234                   System.out.println ("Redirect:  Unable to open output file!");
 235                   System.exit (1);
 236               }
 237
 238               // Print stuff to the original output and error streams.
 239               // On most systems all of this will end up on your console when you
 240               // run this application.
 241               origOut.println ("\nRedirect:  Round #1");
 242               System.out.println ("Test output via 'System.out'.");
 243               origOut.println ("Test output via 'origOut' reference.");
 244
 245               // Set the System out and err streams to use our replacements.
 246               System.setOut(stdout);
 247
 248               // Print stuff to the original output and error streams.
 249               // The stuff printed through the 'origOut' and 'origErr' references
 250               // should go to the console on most systems while the messages
 251               // printed through the 'System.out' and 'System.err' will end up in
 252               // the files we created for them.
 253               origOut.println ("\nRedirect:  Round #2");
 254               System.out.println ("Test output via 'SimulatorResult.out'.");
 255               origOut.println ("Test output via 'origOut' reference.");
 256
 257               // for test
 258               // Randomly set the newRate and probability of FEdges
 259               java.util.Random r=new java.util.Random();
 260               int tint = 0;
 261               for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator();it_classes.hasNext();) {
 262                   ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 263                   if(cd.hasFlags()){
 264                       Vector rootnodes=ta.getRootNodes(cd);
 265                       if(rootnodes!=null)
 266                           for(Iterator it_rootnodes=rootnodes.iterator();it_rootnodes.hasNext();){
 267                               FlagState root=(FlagState)it_rootnodes.next();
 268                               Vector allocatingTasks = root.getAllocatingTasks();
 269                               if(allocatingTasks != null) {
 270                                   for(int k = 0; k < allocatingTasks.size(); k++) {
 271                                       TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 272                                       Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 273                                       int numEdges = fev.size();
 274                                       int total = 100;
 275                                       for(int j = 0; j < numEdges; j++) {
 276                                           FEdge pfe = fev.elementAt(j);
 277                                           if(numEdges - j == 1) {
 278                                               pfe.setProbability(total);
 279                                           } else {
 280                                               if(total != 0) {
 281                                                   do {
 282                                                       tint = r.nextInt()%total;
 283                                                   } while(tint <= 0);
 284                                               }
 285                                               pfe.setProbability(tint);
 286                                               total -= tint;
 287                                           }
 288                                           do {
 289                                               tint = r.nextInt()%10;
 290                                           } while(tint <= 0);
 291                                           //int newRate = tint;
 292                                           int newRate = (j+1)%2+1;
 293                                           /*do {
 294                                               tint = r.nextInt()%100;
 295                                           } while(tint <= 0);
 296                                           int probability = tint;*/
 297                                           int probability = 100;
 298                                           pfe.addNewObjInfo(cd, newRate, probability);
 299                                       }
 300                                   }
 301                               }
 302                           }
 303
 304                       Iterator it_flags = ta.getFlagStates(cd).iterator();
 305                       while(it_flags.hasNext()) {
 306                           FlagState fs = (FlagState)it_flags.next();
 307                           Iterator it_edges = fs.edges();
 308                           while(it_edges.hasNext()) {
 309                               do {
 310                                   tint = r.nextInt()%10;
 311                               } while(tint <= 0);
 312                               ((FEdge)it_edges.next()).setExeTime(tint);
 313                           }
 314                       }
 315                   }
 316               }
 317
 318               // generate multiple schedulings
 319               ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
 320               scheduleAnalysis.preSchedule();
 321               scheduleAnalysis.scheduleAnalysis();
 322               scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 323               scheduleAnalysis.schedule();
 324
 325               //simulate these schedulings
 326               ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
 327               Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
 328               int index = 0;
 329               Vector<Integer> selectedScheduling = new Vector<Integer>();
 330               int processTime = Integer.MAX_VALUE;
 331               while(it_scheduling.hasNext()) {
 332                   Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 333                   scheduleSimulator.setScheduling(scheduling);
 334                   int tmpTime = scheduleSimulator.process();
 335                   if(tmpTime < processTime) {
 336                       selectedScheduling.clear();
 337                       selectedScheduling.add(index);
 338                       processTime = tmpTime;
 339                   } else if(tmpTime == processTime) {
 340                       selectedScheduling.add(index);
 341                   }
 342                   index++;
 343               }
 344               System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
 345               for(int i = 0; i < selectedScheduling.size(); i++) {
 346                   System.out.print(selectedScheduling.elementAt(i) + ", ");
 347               }
 348               System.out.println();
 349
 350               /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
 351               Vector<Schedule> scheduling = new Vector<Schedule>();
 352               for(int i = 0; i < 4; i++) {
 353                   Schedule schedule = new Schedule(i);
 354                   scheduling.add(schedule);
 355               }
 356               Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
 357               while(it_tasks.hasNext()) {
 358                   TaskDescriptor td = (TaskDescriptor)it_tasks.next();
 359                   if(td.getSymbol().equals("t10")) {
 360                       scheduling.elementAt(1).addTask(td);
 361                   } else {
 362                       scheduling.elementAt(0).addTask(td);
 363                   }
 364               }
 365               ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
 366               scheduling.elementAt(0).addTargetCore(cd, 1);
 367               scheduleSimulator.setScheduling(scheduling);
 368               scheduleSimulator.process();
 369
 370               Vector<Schedule> scheduling1 = new Vector<Schedule>();
 371               for(int i = 0; i < 4; i++) {
 372                   Schedule schedule = new Schedule(i);
 373                   scheduling1.add(schedule);
 374               }
 375               Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
 376               while(it_tasks1.hasNext()) {
 377                   TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
 378                   scheduling1.elementAt(0).addTask(td);
 379               }
 380               scheduleSimulator.setScheduling(scheduling1);
 381               scheduleSimulator.process();*/
 382
 383               // Close the streams.
 384               try {
 385                   stdout.close ();
 386                   System.setOut(origOut);
 387               } catch (Exception e) {
 388                   origOut.println ("Redirect:  Unable to close files!");
 389               }
 390           }
 391
 392       }
 393
 394       if (state.DSM) {
 395           CallGraph callgraph=new CallGraph(state);
 396           if (state.PREFETCH) {
 397               PrefetchAnalysis pa=new PrefetchAnalysis(state, callgraph, tu);
 398           }
 399           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 400           GenerateConversions gc=new GenerateConversions(la, state);
 401           BuildCode bc=new BuildCode(state, bf.getMap(), tu, la);
 402           bc.buildCode();
 403       } else {
 404           BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa);
 405           bc.buildCode();
 406       }
 407
 408       if (state.FLATIRGRAPH) {
 409           FlatIRGraph firg = new FlatIRGraph(state,
 410                                              state.FLATIRGRAPHTASKS,
 411                                              state.FLATIRGRAPHUSERMETHODS,
 412                                              state.FLATIRGRAPHLIBMETHODS);
 413       }
 414
 415       if (state.OWNERSHIP) {
 416           CallGraph callGraph  = new CallGraph( state );
 417           int allocationDepth  = 3;
 418           OwnershipAnalysis oa =
 419               new OwnershipAnalysis( state, callGraph, allocationDepth );
 420       }
 421
 422       System.exit(0);
 423   }
 424
 425     /** Reads in a source file and adds the parse tree to the state object. */
 426
 427     private static void readSourceFile(State state, String sourcefile) throws Exception {
 428         Reader fr = new BufferedReader(new FileReader(sourcefile));
 429         Lex.Lexer l = new Lex.Lexer(fr);
 430         java_cup.runtime.lr_parser g;
 431         g = new Parse.Parser(l);
 432         ParseNode p=null;
 433         try {
 434             p=(ParseNode) g./*debug_*/parse().value;
 435         } catch (Exception e) {
 436             System.err.println("Error parsing file:"+sourcefile);
 437             e.printStackTrace();
 438             System.exit(-1);
 439         }
 440         state.addParseNode(p);
 441         if (l.numErrors()!=0) {
 442             System.out.println("Error parsing "+sourcefile);
 443             System.exit(l.numErrors());
 444         }
 445     }
 446 }