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