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