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