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.Schedule;
  25 import Analysis.Scheduling.ScheduleAnalysis;
  26 import Analysis.Scheduling.ScheduleSimulator;
  27 import Analysis.TaskStateAnalysis.TaskAnalysis;
  28 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskGraph;
  30 import Analysis.CallGraph.CallGraph;
  31 import Analysis.TaskStateAnalysis.FEdge;
  32 import Analysis.TaskStateAnalysis.FlagState;
  33 import Analysis.TaskStateAnalysis.TagAnalysis;
  34 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  35 import Analysis.TaskStateAnalysis.ExecutionGraph;
  36 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  37 import Analysis.Locality.LocalityAnalysis;
  38 import Analysis.Locality.GenerateConversions;
  39 import Analysis.Prefetch.PrefetchAnalysis;
  40 import Analysis.FlatIRGraph.FlatIRGraph;
  41 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  42 import Interface.*;
  43 import Util.GraphNode;
  44 import Util.GraphNode.DFS;
  45 import Util.GraphNode.SCC;
  46
  47 public class Main {
  48
  49   /** Main method for the compiler.  */
  50
  51   public static void main(String args[]) throws Exception {
  52     String ClassLibraryPrefix="./ClassLibrary/";
  53     State state=new State();
  54     Vector sourcefiles=new Vector();
  55     state.classpath.add(".");
  56
  57     for(int i=0; i<args.length; i++) {
  58       String option=args[i];
  59       if (option.equals("-precise"))
  60         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  61       else if (option.equals("-prefetch"))
  62         state.PREFETCH=true;
  63       else if (option.equals("-dir"))
  64         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  65       else if (option.equals("-fastcheck"))
  66         state.FASTCHECK=true;
  67       else if (option.equals("-selfloop"))
  68         state.selfloops.add(args[++i]);
  69       else if (option.equals("-excprefetch"))
  70         state.excprefetch.add(args[++i]);
  71       else if (option.equals("-classlibrary"))
  72         state.classpath.add(args[++i]);
  73       else if(option.equals("-numcore")) {
  74         ++i;
  75         state.CORENUM = Integer.parseInt(args[i]);
  76       } else if (option.equals("-mainclass"))
  77         state.main=args[++i];
  78       else if (option.equals("-trueprob")) {
  79         state.TRUEPROB=Double.parseDouble(args[++i]);
  80       } else if (option.equals("-printflat"))
  81         State.PRINTFLAT=true;
  82       else if (option.equals("-printscheduling"))
  83         State.PRINTSCHEDULING=true;
  84       else if (option.equals("-printschedulesim"))
  85         State.PRINTSCHEDULESIM=true;
  86       else if (option.equals("-struct"))
  87         state.structfile=args[++i];
  88       else if (option.equals("-conscheck"))
  89         state.CONSCHECK=true;
  90       else if (option.equals("-task"))
  91         state.TASK=true;
  92       else if (option.equals("-abortreaders"))
  93         state.ABORTREADERS=true;
  94       else if (option.equals("-taskstate"))
  95         state.TASKSTATE=true;
  96       else if (option.equals("-tagstate"))
  97         state.TAGSTATE=true;
  98       else if (option.equals("-flatirtasks")) {
  99         state.FLATIRGRAPH=true;
 100         state.FLATIRGRAPHTASKS=true;
 101       } else if (option.equals("-flatirusermethods")) {
 102         state.FLATIRGRAPH=true;
 103         state.FLATIRGRAPHUSERMETHODS=true;
 104       } else if (option.equals("-flatirlibmethods")) {
 105         state.FLATIRGRAPH=true;
 106         state.FLATIRGRAPHLIBMETHODS=true;
 107       } else if (option.equals("-multicore"))
 108         state.MULTICORE=true;
 109       else if (option.equals("-ownership"))
 110         state.OWNERSHIP=true;
 111       else if (option.equals("-ownallocdepth")) {
 112         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 113       } else if (option.equals("-ownwritedots")) {
 114         state.OWNERSHIPWRITEDOTS=true;
 115         if (args[++i].equals("all")) {
 116           state.OWNERSHIPWRITEALL=true;
 117         }
 118       } else if (option.equals("-ownaliasfile"))
 119         state.OWNERSHIPALIASFILE=args[++i];
 120       else if (option.equals("-optional"))
 121         state.OPTIONAL=true;
 122       else if (option.equals("-raw"))
 123         state.RAW=true;
 124       else if (option.equals("-scheduling"))
 125         state.SCHEDULING=true;
 126       else if (option.equals("-useprofile"))
 127         state.USEPROFILE=true;
 128       else if (option.equals("-thread"))
 129         state.THREAD=true;
 130       else if (option.equals("-dsm"))
 131         state.DSM=true;
 132       else if (option.equals("-webinterface"))
 133         state.WEBINTERFACE=true;
 134       else if (option.equals("-instructionfailures"))
 135         state.INSTRUCTIONFAILURE=true;
 136       else if (option.equals("-abcclose"))
 137         state.ARRAYBOUNDARYCHECK=false;
 138       else if (option.equals("-help")) {
 139         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 140         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 141         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 142         System.out.println("-struct structfile -- output structure declarations for repair tool");
 143         System.out.println("-mainclass -- main function to call");
 144         System.out.println("-dsm -- distributed shared memory support");
 145         System.out.println("-abortreaders -- abort readers");
 146         System.out.println("-precise -- use precise garbage collection");
 147         System.out.println("-conscheck -- turn on consistency checking");
 148         System.out.println("-task -- compiler for tasks");
 149         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 150         System.out.println("-thread -- threads");
 151         System.out.println("-trueprob <d> -- probability of true branch");
 152         System.out.println("-printflat -- print out flat representation");
 153         System.out.println("-instructionfailures -- insert code for instruction level failures");
 154         System.out.println("-taskstate -- do task state analysis");
 155         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 156         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 157         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 158         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 159         System.out.println("-ownership -- do ownership analysis");
 160         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 161         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 162         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 163         System.out.println("-optional -- enable optional arguments");
 164         System.out.println("-abcclose close the array boundary check");
 165         System.out.println("-scheduling do task scheduling");
 166         System.out.println("-multicore generate multi-core version binary");
 167         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 168         System.out.println("-raw generate raw version binary (should be used together with -multicore)");
 169         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 170         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 171         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 172         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 173         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 174         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");
 175         System.out.println("-printscheduling -- print out scheduling graphs");
 176         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 177         System.out.println("-webinterface -- enable web interface");
 178         System.out.println("-help -- print out help");
 179         System.exit(0);
 180       } else {
 181         if (args[i].indexOf(".java")!=-1)
 182           sourcefiles.add(args[i].substring(0,args[i].indexOf(".java")));
 183         else
 184           sourcefiles.add(args[i]);
 185       }
 186     }
 187
 188     //add default classpath
 189     if (state.classpath.size()==1)
 190       state.classpath.add(ClassLibraryPrefix);
 191
 192     BuildIR bir=new BuildIR(state);
 193     TypeUtil tu=new TypeUtil(state, bir);
 194
 195
 196     SemanticCheck sc=new SemanticCheck(state,tu);
 197     for(int i=0;i<sourcefiles.size();i++)
 198       sc.getClass((String)sourcefiles.get(i));
 199
 200     //Stuff the runtime wants to see
 201     sc.getClass("String");
 202     sc.getClass("Math");
 203     sc.getClass("File");
 204     sc.getClass("Socket");
 205     sc.getClass("ServerSocket");
 206     sc.getClass("FileInputStream");
 207     sc.getClass("FileOutputStream");
 208
 209     sc.semanticCheck();
 210
 211     tu.createFullTable();
 212
 213     BuildFlat bf=new BuildFlat(state,tu);
 214     bf.buildFlat();
 215     SafetyAnalysis sa=null;
 216     PrefetchAnalysis pa=null;
 217
 218     if (state.TAGSTATE) {
 219       CallGraph callgraph=new CallGraph(state);
 220       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 221       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 222     }
 223
 224     if (state.TASKSTATE) {
 225       CallGraph callgraph=new CallGraph(state);
 226       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 227       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 228       ta.taskAnalysis();
 229       TaskGraph tg=new TaskGraph(state, ta);
 230       tg.createDOTfiles();
 231
 232       if (state.OPTIONAL) {
 233         ExecutionGraph et=new ExecutionGraph(state, ta);
 234         et.createExecutionGraph();
 235         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 236         sa.doAnalysis();
 237         state.storeAnalysisResult(sa.getResult());
 238         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 239       }
 240
 241       if (state.WEBINTERFACE) {
 242         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 243         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 244         JhttpServer serve=new JhttpServer(8000,wi);
 245         serve.run();
 246       }
 247
 248       if (state.SCHEDULING) {
 249         // Use ownership analysis to get alias information
 250         CallGraph callGraph = new CallGraph(state);
 251         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 252                                                      tu,
 253                                                      callGraph,
 254                                                      state.OWNERSHIPALLOCDEPTH,
 255                                                      state.OWNERSHIPWRITEDOTS,
 256                                                      state.OWNERSHIPWRITEALL,
 257                                                      state.OWNERSHIPALIASFILE);
 258
 259         // generate multiple schedulings
 260         ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state,
 261                                                                  ta);
 262         // necessary preparation such as read profile info etc.
 263         scheduleAnalysis.preparation();
 264         scheduleAnalysis.preSchedule();
 265         scheduleAnalysis.scheduleAnalysis();
 266         //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 267         scheduleAnalysis.setCoreNum(state.CORENUM);
 268         scheduleAnalysis.schedule();
 269
 270         //simulate these schedulings
 271         ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(),
 272                                                                     state,
 273                                                                     ta);
 274         Vector<Vector<Schedule>> schedulings = scheduleAnalysis.getSchedulings();
 275         Vector<Integer> selectedScheduling = scheduleSimulator.simulate(schedulings);
 276
 277         if(state.MULTICORE) {
 278           Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.firstElement());
 279           BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 280                                                         bf.getMap(),
 281                                                         tu,
 282                                                         sa,
 283                                                         scheduling,
 284                                                         scheduleAnalysis.getCoreNum(),
 285                                                         pa);
 286           bcm.setOwnershipAnalysis(oa);
 287           bcm.buildCode();
 288           scheduling = null;
 289         }
 290         schedulings = null;
 291         selectedScheduling = null;
 292       }
 293
 294     }
 295
 296     if(!state.MULTICORE) {
 297       if (state.DSM) {
 298         CallGraph callgraph=new CallGraph(state);
 299         if (state.PREFETCH) {
 300           //speed up prefetch generation using locality analysis results
 301           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 302           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 303         }
 304
 305         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 306         GenerateConversions gc=new GenerateConversions(la, state);
 307         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
 308         bc.buildCode();
 309       } else {
 310         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
 311         bc.buildCode();
 312       }
 313     }
 314
 315     if (state.FLATIRGRAPH) {
 316       FlatIRGraph firg = new FlatIRGraph(state,
 317                                          state.FLATIRGRAPHTASKS,
 318                                          state.FLATIRGRAPHUSERMETHODS,
 319                                          state.FLATIRGRAPHLIBMETHODS);
 320     }
 321
 322     if (state.OWNERSHIP) {
 323       CallGraph callGraph = new CallGraph(state);
 324       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 325                                                    tu,
 326                                                    callGraph,
 327                                                    state.OWNERSHIPALLOCDEPTH,
 328                                                    state.OWNERSHIPWRITEDOTS,
 329                                                    state.OWNERSHIPWRITEALL,
 330                                                    state.OWNERSHIPALIASFILE);
 331     }
 332
 333     System.exit(0);
 334   }
 335
 336   /** Reads in a source file and adds the parse tree to the state object. */
 337
 338   public static ParseNode readSourceFile(State state, String sourcefile) {
 339     try {
 340       Reader fr= new BufferedReader(new FileReader(sourcefile));
 341       Lex.Lexer l = new Lex.Lexer(fr);
 342       java_cup.runtime.lr_parser g;
 343       g = new Parse.Parser(l);
 344       ParseNode p=null;
 345       try {
 346         p=(ParseNode) g./*debug_*/ parse().value;
 347       } catch (Exception e) {
 348         System.err.println("Error parsing file:"+sourcefile);
 349         e.printStackTrace();
 350         System.exit(-1);
 351       }
 352       state.addParseNode(p);
 353       if (l.numErrors()!=0) {
 354         System.out.println("Error parsing "+sourcefile);
 355         System.exit(l.numErrors());
 356       }
 357       return p;
 358
 359     } catch (Exception e) {
 360       throw new Error(e);
 361     }
 362   }
 363 }