Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.PrintStream;
   5 import java.io.Reader;
   6 import java.io.BufferedReader;
   7 import java.io.FileReader;
   8 import java.io.FileInputStream;
   9 import java.util.Hashtable;
  10 import java.util.Iterator;
  11 import java.util.Set;
  12 import java.util.Vector;
  13
  14 import IR.Tree.ParseNode;
  15 import IR.Tree.BuildIR;
  16 import IR.Tree.SemanticCheck;
  17 import IR.Flat.BuildCodeMultiCore;
  18 import IR.Flat.BuildFlat;
  19 import IR.Flat.BuildCode;
  20 import IR.Flat.Inliner;
  21 import IR.ClassDescriptor;
  22 import IR.State;
  23 import IR.TaskDescriptor;
  24 import IR.TypeUtil;
  25 import Analysis.Scheduling.MCImplSynthesis;
  26 import Analysis.Scheduling.Schedule;
  27 import Analysis.Scheduling.ScheduleAnalysis;
  28 import Analysis.Scheduling.ScheduleSimulator;
  29 import Analysis.TaskStateAnalysis.TaskAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  31 import Analysis.TaskStateAnalysis.TaskGraph;
  32 import Analysis.CallGraph.CallGraph;
  33 import Analysis.TaskStateAnalysis.FEdge;
  34 import Analysis.TaskStateAnalysis.FlagState;
  35 import Analysis.TaskStateAnalysis.TagAnalysis;
  36 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  37 import Analysis.TaskStateAnalysis.ExecutionGraph;
  38 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  39 import Analysis.Locality.LocalityAnalysis;
  40 import Analysis.Locality.GenerateConversions;
  41 import Analysis.Prefetch.PrefetchAnalysis;
  42 import Analysis.FlatIRGraph.FlatIRGraph;
  43 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  44 import Analysis.MLP.MLPAnalysis;
  45 import Analysis.Loops.*;
  46 import Analysis.Liveness;
  47 import IR.MethodDescriptor;
  48 import IR.Flat.FlatMethod;
  49 import Interface.*;
  50 import Util.GraphNode;
  51 import Util.GraphNode.DFS;
  52 import Util.GraphNode.SCC;
  53
  54 public class Main {
  55
  56   /** Main method for the compiler.  */
  57
  58   public static void main(String args[]) throws Exception {
  59     String ClassLibraryPrefix="./ClassLibrary/";
  60     State state=new State();
  61     Vector sourcefiles=new Vector();
  62     state.classpath.add(".");
  63
  64     String outputdir = null;
  65     boolean isDistributeInfo = false;
  66     boolean isDisAll = false;
  67     int startnum = 0;
  68
  69     for(int i=0; i<args.length; i++) {
  70       String option=args[i];
  71       if (option.equals("-precise"))
  72         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  73       else if (option.equals("-prefetch"))
  74         state.PREFETCH=true;
  75       else if (option.equals("-dir"))
  76         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  77       else if (option.equals("-fastcheck"))
  78         state.FASTCHECK=true;
  79       else if (option.equals("-selfloop"))
  80         state.selfloops.add(args[++i]);
  81           else if (option.equals("-outputdir"))
  82         state.outputdir = args[++i];
  83       else if (option.equals("-excprefetch"))
  84         state.excprefetch.add(args[++i]);
  85       else if (option.equals("-classlibrary"))
  86         state.classpath.add(args[++i]);
  87       else if (option.equals("-inlineatomic")) {
  88         state.INLINEATOMIC=true;
  89         state.inlineatomicdepth=Integer.parseInt(args[++i]);
  90       } else if(option.equals("-numcore")) {
  91         ++i;
  92         state.CORENUM = Integer.parseInt(args[i]);
  93       } else if (option.equals("-mainclass"))
  94         state.main=args[++i];
  95       else if (option.equals("-trueprob")) {
  96         state.TRUEPROB=Double.parseDouble(args[++i]);
  97       } else if (option.equals("-printflat"))
  98         State.PRINTFLAT=true;
  99       else if (option.equals("-printscheduling"))
 100         State.PRINTSCHEDULING=true;
 101       else if (option.equals("-minimize"))
 102         state.MINIMIZE=true;
 103       else if (option.equals("-printschedulesim"))
 104         State.PRINTSCHEDULESIM=true;
 105       else if (option.equals("-printcriticalpath"))
 106           State.PRINTCRITICALPATH=true;
 107       else if (option.equals("-struct"))
 108         state.structfile=args[++i];
 109       else if (option.equals("-conscheck"))
 110         state.CONSCHECK=true;
 111       else if (option.equals("-task"))
 112         state.TASK=true;
 113       else if (option.equals("-abortreaders"))
 114         state.ABORTREADERS=true;
 115       else if (option.equals("-sandbox"))
 116         state.SANDBOX=true;
 117       else if (option.equals("-taskstate"))
 118         state.TASKSTATE=true;
 119       else if (option.equals("-tagstate"))
 120         state.TAGSTATE=true;
 121       else if (option.equals("-stmarray"))
 122         state.STMARRAY=true;
 123       else if (option.equals("-flatirtasks")) {
 124         state.FLATIRGRAPH=true;
 125         state.FLATIRGRAPHTASKS=true;
 126       } else if (option.equals("-flatirusermethods")) {
 127         state.FLATIRGRAPH=true;
 128         state.FLATIRGRAPHUSERMETHODS=true;
 129       } else if (option.equals("-flatirlibmethods")) {
 130         state.FLATIRGRAPH=true;
 131         state.FLATIRGRAPHLIBMETHODS=true;
 132       } else if (option.equals("-multicore"))
 133         state.MULTICORE=true;
 134       else if (option.equals("-multicoregc"))
 135         state.MULTICOREGC=true;
 136       else if (option.equals("-ownership"))
 137         state.OWNERSHIP=true;
 138       else if (option.equals("-ownallocdepth")) {
 139         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 140       } else if (option.equals("-ownwritedots")) {
 141         state.OWNERSHIPWRITEDOTS=true;
 142         if (args[++i].equals("all")) {
 143           state.OWNERSHIPWRITEALL=true;
 144         }
 145       } else if (option.equals("-ownaliasfile")) {
 146         state.OWNERSHIPALIASFILE=args[++i];
 147       } else if (option.equals("-ownaliasfiletab")) {
 148         state.OWNERSHIPALIASFILE=args[++i];
 149         state.OWNERSHIPALIASTAB=true;
 150       } else if (option.equals("-owndebugcallee")) {
 151         state.OWNERSHIPDEBUGCALLEE=args[++i];
 152       } else if (option.equals("-owndebugcaller")) {
 153         state.OWNERSHIPDEBUGCALLER=args[++i];
 154       } else if (option.equals("-owndebugcallcount")) {
 155         state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 156       }
 157       else if (option.equals("-optional"))
 158         state.OPTIONAL=true;
 159       else if (option.equals("-optimize"))
 160         state.OPTIMIZE=true;
 161       else if (option.equals("-dcopts"))
 162         state.DCOPTS=true;
 163       else if (option.equals("-arraypad"))
 164         state.ARRAYPAD=true;
 165       else if (option.equals("-delaycomp"))
 166         state.DELAYCOMP=true;
 167       else if (option.equals("-raw"))
 168         state.RAW=true;
 169       else if (option.equals("-scheduling"))
 170         state.SCHEDULING=true;
 171       else if (option.equals("-distributioninfo"))
 172         isDistributeInfo=true;
 173       else if (option.equals("-disall"))
 174         isDisAll=true;
 175       else if (option.equals("-disstart"))
 176         startnum = Integer.parseInt(args[++i]);
 177       else if (option.equals("-useprofile")) {
 178         state.USEPROFILE=true;
 179     state.profilename = args[++i];
 180       }
 181       else if (option.equals("-thread"))
 182         state.THREAD=true;
 183       else if (option.equals("-dsm"))
 184         state.DSM=true;
 185       else if (option.equals("-dsmtask"))
 186   state.DSMTASK=true;
 187       else if (option.equals("-singleTM"))
 188         state.SINGLETM=true;
 189       else if (option.equals("-readset"))
 190         state.READSET=true;
 191       else if (option.equals("-webinterface"))
 192         state.WEBINTERFACE=true;
 193       else if (option.equals("-instructionfailures"))
 194         state.INSTRUCTIONFAILURE=true;
 195       else if (option.equals("-abcclose"))
 196         state.ARRAYBOUNDARYCHECK=false;
 197
 198       else if (option.equals("-mlp")) {
 199         state.MLP            = true;
 200         state.OWNERSHIP      = true;
 201         state.MLP_NUMCORES   = Integer.parseInt( args[++i] );
 202         state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
 203
 204       } else if (option.equals("-mlpdebug")) {
 205         state.MLPDEBUG=true;
 206
 207       } else if (option.equals("-methodeffects")) {
 208         state.METHODEFFECTS=true;
 209       }else if (option.equals("-help")) {
 210         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 211         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 212         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 213         System.out.println("-struct structfile -- output structure declarations for repair tool");
 214         System.out.println("-mainclass -- main function to call");
 215         System.out.println("-dsm -- distributed shared memory support");
 216         System.out.println("-singleTM -- single machine committing transactions");
 217         System.out.println("-abortreaders -- abort readers");
 218         System.out.println("-precise -- use precise garbage collection");
 219         System.out.println("-conscheck -- turn on consistency checking");
 220         System.out.println("-task -- compiler for tasks");
 221         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 222         System.out.println("-thread -- threads");
 223         System.out.println("-trueprob <d> -- probability of true branch");
 224         System.out.println("-printflat -- print out flat representation");
 225         System.out.println("-instructionfailures -- insert code for instruction level failures");
 226         System.out.println("-taskstate -- do task state analysis");
 227         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 228         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 229         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 230         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 231         System.out.println("-ownership -- do ownership analysis");
 232         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 233         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 234         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 235         System.out.println("-optimize -- enable optimizations");
 236         System.out.println("-optional -- enable optional arguments");
 237         System.out.println("-abcclose close the array boundary check");
 238         System.out.println("-scheduling do task scheduling");
 239         System.out.println("-mlp <num cores> <max sese age> build mlp code");
 240         System.out.println("-mlpdebug if mlp, report progress and interim results");
 241         System.out.println("-multicore generate multi-core version binary");
 242         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 243         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 244         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 245         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 246         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 247         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 248         System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
 249         System.out.println("-printscheduling -- print out scheduling graphs");
 250         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 251         System.out.println("-webinterface -- enable web interface");
 252         System.out.println("-help -- print out help");
 253         System.exit(0);
 254       } else {
 255         sourcefiles.add(args[i]);
 256       }
 257     }
 258
 259     //add default classpath
 260     if (state.classpath.size()==1)
 261       state.classpath.add(ClassLibraryPrefix);
 262
 263     BuildIR bir=new BuildIR(state);
 264     TypeUtil tu=new TypeUtil(state, bir);
 265
 266
 267     SemanticCheck sc=new SemanticCheck(state,tu);
 268
 269     for(int i=0;i<sourcefiles.size();i++)
 270       loadClass(state, bir,(String)sourcefiles.get(i));
 271
 272     //Stuff the runtime wants to see
 273     sc.getClass("String");
 274     sc.getClass("Math");
 275     sc.getClass("File");
 276     sc.getClass("Socket");
 277     sc.getClass("ServerSocket");
 278     sc.getClass("FileInputStream");
 279     sc.getClass("FileOutputStream");
 280     if (state.TASK) {
 281       sc.getClass("TagDescriptor");
 282     }
 283     if (state.THREAD||state.DSM||state.SINGLETM) {
 284       sc.getClass("Thread");
 285     }
 286
 287     sc.semanticCheck();
 288
 289     tu.createFullTable();
 290
 291     BuildFlat bf=new BuildFlat(state,tu);
 292     bf.buildFlat();
 293     SafetyAnalysis sa=null;
 294     PrefetchAnalysis pa=null;
 295     MLPAnalysis mlpa=null;
 296     if (state.INLINEATOMIC) {
 297       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 298       while(classit.hasNext()) {
 299         ClassDescriptor cn=(ClassDescriptor)classit.next();
 300         Iterator methodit=cn.getMethods();
 301         while(methodit.hasNext()) {
 302           // do inlining
 303           MethodDescriptor md=(MethodDescriptor)methodit.next();
 304           FlatMethod fm=state.getMethodFlat(md);
 305           Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
 306         }
 307       }
 308     }
 309
 310
 311     if (state.OPTIMIZE) {
 312       CallGraph callgraph=new CallGraph(state);
 313       CopyPropagation cp=new CopyPropagation();
 314       DeadCode dc=new DeadCode();
 315       GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
 316       CSE cse=new CSE(gft, tu);
 317       localCSE lcse=new localCSE(gft, tu);
 318       LoopOptimize lo=new LoopOptimize(gft, tu);
 319       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 320       while(classit.hasNext()) {
 321         ClassDescriptor cn=(ClassDescriptor)classit.next();
 322         Iterator methodit=cn.getMethods();
 323         while(methodit.hasNext()) {
 324           /* Classify parameters */
 325           MethodDescriptor md=(MethodDescriptor)methodit.next();
 326           FlatMethod fm=state.getMethodFlat(md);
 327           cp.optimize(fm);
 328           dc.optimize(fm);
 329           lo.optimize(fm);
 330           cp.optimize(fm);
 331           dc.optimize(fm);
 332           lcse.doAnalysis(fm);
 333           cse.doAnalysis(fm);
 334           cp.optimize(fm);
 335           dc.optimize(fm);
 336           cp.optimize(fm);
 337           dc.optimize(fm);
 338         }
 339       }
 340     }
 341
 342     if (state.FLATIRGRAPH) {
 343       FlatIRGraph firg = new FlatIRGraph(state,
 344                                          state.FLATIRGRAPHTASKS,
 345                                          state.FLATIRGRAPHUSERMETHODS,
 346                                          state.FLATIRGRAPHLIBMETHODS);
 347     }
 348
 349     if (state.OWNERSHIP && !state.MLP) {
 350       CallGraph callGraph = new CallGraph(state);
 351       Liveness liveness = new Liveness();
 352       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 353                                                    tu,
 354                                                    callGraph,
 355                                                    liveness,
 356                                                    state.OWNERSHIPALLOCDEPTH,
 357                                                    state.OWNERSHIPWRITEDOTS,
 358                                                    state.OWNERSHIPWRITEALL,
 359                                                    state.OWNERSHIPALIASFILE,
 360                                                    state.METHODEFFECTS);
 361     }
 362
 363     if (state.MLP) {
 364       CallGraph callGraph = new CallGraph(state);
 365       Liveness liveness = new Liveness();
 366       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 367                                                    tu,
 368                                                    callGraph,
 369                                                    liveness,
 370                                                    state.OWNERSHIPALLOCDEPTH,
 371                                                    state.OWNERSHIPWRITEDOTS,
 372                                                    state.OWNERSHIPWRITEALL,
 373                                                    state.OWNERSHIPALIASFILE,
 374                                                    state.METHODEFFECTS);
 375       mlpa = new MLPAnalysis(state,
 376                              tu,
 377                              callGraph,
 378                              oa);
 379     }
 380
 381     if (state.TAGSTATE) {
 382       CallGraph callgraph=new CallGraph(state);
 383       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 384       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 385     }
 386
 387     if (state.TASKSTATE) {
 388       CallGraph callgraph=new CallGraph(state);
 389       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 390       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 391       ta.taskAnalysis();
 392       TaskGraph tg=new TaskGraph(state, ta);
 393       tg.createDOTfiles();
 394
 395       if (state.OPTIONAL) {
 396         ExecutionGraph et=new ExecutionGraph(state, ta);
 397         et.createExecutionGraph();
 398         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 399         sa.doAnalysis();
 400         state.storeAnalysisResult(sa.getResult());
 401         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 402       }
 403
 404       if (state.WEBINTERFACE) {
 405         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 406         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 407         JhttpServer serve=new JhttpServer(8000,wi);
 408         serve.run();
 409       }
 410
 411       if (state.SCHEDULING) {
 412         // Use ownership analysis to get alias information
 413         CallGraph callGraph = new CallGraph(state);
 414         Liveness liveness = new Liveness();
 415         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 416                                                      tu,
 417                                                      callGraph,
 418                                                      liveness,
 419                                                      state.OWNERSHIPALLOCDEPTH,
 420                                                      state.OWNERSHIPWRITEDOTS,
 421                                                      state.OWNERSHIPWRITEALL,
 422                                                      state.OWNERSHIPALIASFILE);
 423
 424         // synthesis a layout according to target multicore processor
 425         MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
 426                                                               ta,
 427                                                               oa);
 428         if(isDistributeInfo) {
 429             mcImplSynthesis.distribution(isDisAll, startnum);
 430         } else {
 431             //double timeStartAnalysis = (double) System.nanoTime();
 432             mcImplSynthesis.setScheduleThreshold(20);
 433             mcImplSynthesis.setProbThreshold(0);
 434             mcImplSynthesis.setGenerateThreshold(30);
 435             Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
 436
 437             //double timeEndAnalysis = (double) System.nanoTime();
 438             //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
 439             //System.err.println("The analysis took" + dt +  "sec.");
 440         //System.exit(0);
 441
 442             // generate multicore codes
 443             if(state.MULTICORE) {
 444                 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 445                                                               bf.getMap(),
 446                                                               tu,
 447                                                               sa,
 448                                                               scheduling,
 449                                                               mcImplSynthesis.getCoreNum(),
 450                                                               pa);
 451                 bcm.setOwnershipAnalysis(oa);
 452                 bcm.buildCode();
 453             }
 454             scheduling.clear();
 455             scheduling = null;
 456         }
 457       }
 458     }
 459     if(!state.MULTICORE) {
 460       if (state.DSM||state.SINGLETM) {
 461         CallGraph callgraph=new CallGraph(state);
 462         if (state.PREFETCH) {
 463           //speed up prefetch generation using locality analysis results
 464           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 465           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 466         }
 467         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 468         GenerateConversions gc=new GenerateConversions(la, state);
 469         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
 470         bc.buildCode();
 471       } else {
 472         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
 473         bc.buildCode();
 474       }
 475     }
 476
 477     System.out.println("Lines="+state.lines);
 478     System.exit(0);
 479   }
 480
 481   public static void loadClass(State state, BuildIR bir, String sourcefile) {
 482     ParseNode pn=readSourceFile(state, sourcefile);
 483     bir.buildtree(pn, null);
 484   }
 485
 486   /** Reads in a source file and adds the parse tree to the state object. */
 487
 488   public static ParseNode readSourceFile(State state, String sourcefile) {
 489     try {
 490       Reader fr= new BufferedReader(new FileReader(sourcefile));
 491       Lex.Lexer l = new Lex.Lexer(fr);
 492       java_cup.runtime.lr_parser g;
 493       g = new Parse.Parser(l);
 494       ParseNode p=null;
 495       try {
 496         p=(ParseNode) g./*debug_*/parse().value;
 497       } catch (Exception e) {
 498         System.err.println("Error parsing file:"+sourcefile);
 499         e.printStackTrace();
 500         System.exit(-1);
 501       }
 502       state.addParseNode(p);
 503       if (l.numErrors()!=0) {
 504         System.out.println("Error parsing "+sourcefile);
 505         System.exit(l.numErrors());
 506       }
 507       state.lines+=l.line_num;
 508       return p;
 509
 510     } catch (Exception e) {
 511       throw new Error(e);
 512     }
 513   }
 514 }