3 import java.io.FileOutputStream;
4 import java.io.InputStream;
5 import java.io.PrintStream;
7 import java.io.BufferedReader;
8 import java.io.FileReader;
9 import java.io.FileInputStream;
10 import java.util.Iterator;
11 import java.util.Vector;
13 import IR.Tree.ParseNode;
14 import IR.Tree.BuildIR;
15 import IR.Tree.SemanticCheck;
16 import IR.Flat.BuildCodeMultiCore;
17 import IR.Flat.BuildFlat;
18 import IR.Flat.BuildCode;
19 import IR.ClassDescriptor;
21 import IR.TaskDescriptor;
23 import Analysis.Scheduling.Schedule;
24 import Analysis.Scheduling.ScheduleAnalysis;
25 import Analysis.Scheduling.ScheduleEdge;
26 import Analysis.Scheduling.ScheduleNode;
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;
47 /** Main method for the compiler. */
49 public static void main(String args[]) throws Exception {
50 String ClassLibraryPrefix="./ClassLibrary/";
51 State state=new State();
53 for(int i=0;i<args.length;i++) {
54 String option=args[i];
55 if (option.equals("-precise"))
56 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
57 else if (option.equals("-prefetch"))
59 else if (option.equals("-dir"))
60 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
61 else if (option.equals("-selfloop"))
62 state.selfloops.add(args[++i]);
63 else if (option.equals("-excprefetch"))
64 state.excprefetch.add(args[++i]);
65 else if (option.equals("-classlibrary"))
66 ClassLibraryPrefix=args[++i]+"/";
67 else if (option.equals("-mainclass"))
69 else if (option.equals("-trueprob")) {
70 state.TRUEPROB=Double.parseDouble(args[++i]);
71 } else if (option.equals("-printflat"))
73 else if (option.equals("-struct"))
74 state.structfile=args[++i];
75 else if (option.equals("-conscheck"))
77 else if (option.equals("-task"))
79 else if (option.equals("-taskstate"))
81 else if (option.equals("-tagstate"))
83 else if (option.equals("-flatirtasks")) {
84 state.FLATIRGRAPH=true;
85 state.FLATIRGRAPHTASKS=true;
87 else if (option.equals("-flatirusermethods")) {
88 state.FLATIRGRAPH=true;
89 state.FLATIRGRAPHUSERMETHODS=true;
91 else if (option.equals("-flatirlibmethods")) {
92 state.FLATIRGRAPH=true;
93 state.FLATIRGRAPHLIBMETHODS=true;
95 else if (option.equals("-multicore"))
97 else if (option.equals("-ownership"))
99 else if (option.equals("-optional"))
101 /*else if (option.equals("-raw"))
103 else if (option.equals("-scheduling"))
104 state.SCHEDULING=true;
105 else if (option.equals("-thread"))
107 else if (option.equals("-dsm"))
109 else if (option.equals("-webinterface"))
110 state.WEBINTERFACE=true;
111 else if (option.equals("-instructionfailures"))
112 state.INSTRUCTIONFAILURE=true;
113 else if (option.equals("-help")) {
114 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
115 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
116 System.out.println("-dir outputdirectory -- output code in outputdirectory");
117 System.out.println("-struct structfile -- output structure declarations for repair tool");
118 System.out.println("-mainclass -- main function to call");
119 System.out.println("-dsm -- distributed shared memory support");
120 System.out.println("-precise -- use precise garbage collection");
121 System.out.println("-conscheck -- turn on consistency checking");
122 System.out.println("-task -- compiler for tasks");
123 System.out.println("-thread -- threads");
124 System.out.println("-trueprob <d> -- probability of true branch");
125 System.out.println("-printflat -- print out flat representation");
126 System.out.println("-instructionfailures -- insert code for instruction level failures");
127 System.out.println("-taskstate -- do task state analysis");
128 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
129 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
130 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
131 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
132 System.out.println("-ownership -- do ownership analysis");
133 System.out.println("-optional -- enable optional arguments");
134 System.out.println("-webinterface -- enable web interface");
135 System.out.println("-help -- print out help");
138 readSourceFile(state, args[i]);
143 readSourceFile(state, ClassLibraryPrefix+"System.java");
144 readSourceFile(state, ClassLibraryPrefix+"String.java");
145 readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
146 readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
147 readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
148 readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
149 readSourceFile(state, ClassLibraryPrefix+"Integer.java");
150 readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
151 readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
152 readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
153 readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
154 readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
155 readSourceFile(state, ClassLibraryPrefix+"File.java");
156 readSourceFile(state, ClassLibraryPrefix+"Math.java");
157 readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
158 readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
159 readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
160 readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
161 readSourceFile(state, ClassLibraryPrefix+"Vector.java");
162 readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
166 readSourceFile(state, ClassLibraryPrefix+"Object.java");
167 readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
168 } else if (state.DSM) {
169 readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
170 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
173 readSourceFile(state, ClassLibraryPrefix+"Thread.java");
174 readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
176 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
180 readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
181 readSourceFile(state, ClassLibraryPrefix+"Socket.java");
182 readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
184 readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
185 readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
188 BuildIR bir=new BuildIR(state);
191 TypeUtil tu=new TypeUtil(state);
193 SemanticCheck sc=new SemanticCheck(state,tu);
195 tu.createFullTable();
197 BuildFlat bf=new BuildFlat(state,tu);
199 SafetyAnalysis sa=null;
201 if (state.TAGSTATE) {
202 CallGraph callgraph=new CallGraph(state);
203 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
204 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
207 if (state.TASKSTATE) {
208 CallGraph callgraph=new CallGraph(state);
209 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
210 TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
212 TaskGraph tg=new TaskGraph(state, ta);
215 if (state.OPTIONAL) {
216 ExecutionGraph et=new ExecutionGraph(state, ta);
217 et.createExecutionGraph();
218 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
220 state.storeAnalysisResult(sa.getResult());
221 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
224 if (state.WEBINTERFACE) {
225 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
226 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
227 JhttpServer serve=new JhttpServer(8000,wi);
231 if (state.SCHEDULING) {
232 // Save the current standard input, output, and error streams
233 // for later restoration.
234 PrintStream origOut = System.out;
236 // Create a new output stream for the standard output.
237 PrintStream stdout = null;
239 stdout = new PrintStream (new FileOutputStream("SimulatorResult.out"));
240 } catch (Exception e) {
241 // Sigh. Couldn't open the file.
242 System.out.println ("Redirect: Unable to open output file!");
246 // Print stuff to the original output and error streams.
247 // On most systems all of this will end up on your console when you
248 // run this application.
249 //origOut.println ("\nRedirect: Round #1");
250 //System.out.println ("Test output via 'System.out'.");
251 //origOut.println ("Test output via 'origOut' reference.");
253 // Set the System out and err streams to use our replacements.
254 System.setOut(stdout);
256 // Print stuff to the original output and error streams.
257 // The stuff printed through the 'origOut' and 'origErr' references
258 // should go to the console on most systems while the messages
259 // printed through the 'System.out' and 'System.err' will end up in
260 // the files we created for them.
261 //origOut.println ("\nRedirect: Round #2");
262 //System.out.println ("Test output via 'SimulatorResult.out'.");
263 //origOut.println ("Test output via 'origOut' reference.");
266 // Randomly set the newRate and probability of FEdges
267 java.util.Random r=new java.util.Random();
269 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator();it_classes.hasNext();) {
270 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
272 Vector rootnodes=ta.getRootNodes(cd);
274 for(Iterator it_rootnodes=rootnodes.iterator();it_rootnodes.hasNext();){
275 FlagState root=(FlagState)it_rootnodes.next();
276 Vector allocatingTasks = root.getAllocatingTasks();
277 if(allocatingTasks != null) {
278 for(int k = 0; k < allocatingTasks.size(); k++) {
279 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
280 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
281 int numEdges = fev.size();
283 for(int j = 0; j < numEdges; j++) {
284 FEdge pfe = fev.elementAt(j);
285 if(numEdges - j == 1) {
286 pfe.setProbability(total);
288 if((total != 0) && (total != 1)){
290 tint = r.nextInt()%total;
293 pfe.setProbability(tint);
297 tint = r.nextInt()%10;
298 } while(tint <= 0);*/
299 //int newRate = tint;
300 //int newRate = (j+1)%2+1;
303 tint = r.nextInt()%100;
305 int probability = tint;*/
306 int probability = 100;
307 pfe.addNewObjInfo(cd, newRate, probability);
313 Iterator it_flags = ta.getFlagStates(cd).iterator();
314 while(it_flags.hasNext()) {
315 FlagState fs = (FlagState)it_flags.next();
316 Iterator it_edges = fs.edges();
317 while(it_edges.hasNext()) {
319 tint = r.nextInt()%10;
320 } while(tint <= 0);*/
322 ((FEdge)it_edges.next()).setExeTime(tint);
328 // generate multiple schedulings
329 ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
330 scheduleAnalysis.preSchedule();
331 scheduleAnalysis.scheduleAnalysis();
332 //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
333 scheduleAnalysis.setCoreNum(1);
334 //scheduleAnalysis.setCoreNum(2);
335 scheduleAnalysis.schedule();
337 //simulate these schedulings
338 ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
339 Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
341 Vector<Integer> selectedScheduling = new Vector<Integer>();
342 int processTime = Integer.MAX_VALUE;
343 while(it_scheduling.hasNext()) {
344 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
345 scheduleSimulator.setScheduling(scheduling);
346 int tmpTime = scheduleSimulator.process();
347 if(tmpTime < processTime) {
348 selectedScheduling.clear();
349 selectedScheduling.add(index);
350 processTime = tmpTime;
351 } else if(tmpTime == processTime) {
352 selectedScheduling.add(index);
356 System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
357 for(int i = 0; i < selectedScheduling.size(); i++) {
358 System.out.print(selectedScheduling.elementAt(i) + ", ");
360 System.out.println();
362 /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
363 Vector<Schedule> scheduling = new Vector<Schedule>();
364 for(int i = 0; i < 4; i++) {
365 Schedule schedule = new Schedule(i);
366 scheduling.add(schedule);
368 Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
369 while(it_tasks.hasNext()) {
370 TaskDescriptor td = (TaskDescriptor)it_tasks.next();
371 if(td.getSymbol().equals("t10")) {
372 scheduling.elementAt(1).addTask(td);
374 scheduling.elementAt(0).addTask(td);
377 ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
378 scheduling.elementAt(0).addTargetCore(cd, 1);
379 scheduleSimulator.setScheduling(scheduling);
380 scheduleSimulator.process();
382 Vector<Schedule> scheduling1 = new Vector<Schedule>();
383 for(int i = 0; i < 4; i++) {
384 Schedule schedule = new Schedule(i);
385 scheduling1.add(schedule);
387 Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
388 while(it_tasks1.hasNext()) {
389 TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
390 scheduling1.elementAt(0).addTask(td);
392 scheduleSimulator.setScheduling(scheduling1);
393 scheduleSimulator.process();*/
395 // Close the streams.
398 System.setOut(origOut);
399 } catch (Exception e) {
400 origOut.println ("Redirect: Unable to close files!");
403 if(state.MULTICORE) {
404 it_scheduling = scheduleAnalysis.getSchedulingsIter();
405 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
406 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum());
413 if(!state.MULTICORE) {
415 CallGraph callgraph=new CallGraph(state);
416 if (state.PREFETCH) {
417 PrefetchAnalysis pa=new PrefetchAnalysis(state, callgraph, tu);
419 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
420 GenerateConversions gc=new GenerateConversions(la, state);
421 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la);
424 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa);
429 if (state.FLATIRGRAPH) {
430 FlatIRGraph firg = new FlatIRGraph(state,
431 state.FLATIRGRAPHTASKS,
432 state.FLATIRGRAPHUSERMETHODS,
433 state.FLATIRGRAPHLIBMETHODS);
436 if (state.OWNERSHIP) {
437 CallGraph callGraph = new CallGraph( state );
438 int allocationDepth = 3;
439 OwnershipAnalysis oa =
440 new OwnershipAnalysis( state, callGraph, allocationDepth );
441 //This was breaking the compile
442 // oa.writeAllAliases( "identifiedAliases.txt" );
448 /** Reads in a source file and adds the parse tree to the state object. */
450 private static void readSourceFile(State state, String sourcefile) throws Exception {
451 Reader fr = new BufferedReader(new FileReader(sourcefile));
452 Lex.Lexer l = new Lex.Lexer(fr);
453 java_cup.runtime.lr_parser g;
454 g = new Parse.Parser(l);
457 p=(ParseNode) g./*debug_*/parse().value;
458 } catch (Exception e) {
459 System.err.println("Error parsing file:"+sourcefile);
463 state.addParseNode(p);
464 if (l.numErrors()!=0) {
465 System.out.println("Error parsing "+sourcefile);
466 System.exit(l.numErrors());