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