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