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