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