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