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("-numcore")) {
69 state.CORENUM = Integer.parseInt(args[i]);
70 } else if (option.equals("-mainclass"))
72 else if (option.equals("-trueprob")) {
73 state.TRUEPROB=Double.parseDouble(args[++i]);
74 } else if (option.equals("-printflat"))
76 else if (option.equals("-struct"))
77 state.structfile=args[++i];
78 else if (option.equals("-conscheck"))
80 else if (option.equals("-task"))
82 else if (option.equals("-taskstate"))
84 else if (option.equals("-tagstate"))
86 else if (option.equals("-flatirtasks")) {
87 state.FLATIRGRAPH=true;
88 state.FLATIRGRAPHTASKS=true;
89 } else if (option.equals("-flatirusermethods")) {
90 state.FLATIRGRAPH=true;
91 state.FLATIRGRAPHUSERMETHODS=true;
92 } else if (option.equals("-flatirlibmethods")) {
93 state.FLATIRGRAPH=true;
94 state.FLATIRGRAPHLIBMETHODS=true;
95 } else if (option.equals("-multicore"))
97 else if (option.equals("-ownership"))
99 else if (option.equals("-ownallocdepth")) {
100 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
101 } else if (option.equals("-ownwritedots")) {
102 state.OWNERSHIPWRITEDOTS=true;
103 if (args[++i].equals("all")) {
104 state.OWNERSHIPWRITEALL=true;
106 } else if (option.equals("-ownaliasfile"))
107 state.OWNERSHIPALIASFILE=args[++i];
108 else if (option.equals("-optional"))
110 else if (option.equals("-raw"))
112 else if (option.equals("-scheduling"))
113 state.SCHEDULING=true;
114 else if (option.equals("-thread"))
116 else if (option.equals("-dsm"))
118 else if (option.equals("-webinterface"))
119 state.WEBINTERFACE=true;
120 else if (option.equals("-instructionfailures"))
121 state.INSTRUCTIONFAILURE=true;
122 else if (option.equals("-help")) {
123 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
124 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
125 System.out.println("-dir outputdirectory -- output code in outputdirectory");
126 System.out.println("-struct structfile -- output structure declarations for repair tool");
127 System.out.println("-mainclass -- main function to call");
128 System.out.println("-dsm -- distributed shared memory support");
129 System.out.println("-precise -- use precise garbage collection");
130 System.out.println("-conscheck -- turn on consistency checking");
131 System.out.println("-task -- compiler for tasks");
132 System.out.println("-thread -- threads");
133 System.out.println("-trueprob <d> -- probability of true branch");
134 System.out.println("-printflat -- print out flat representation");
135 System.out.println("-instructionfailures -- insert code for instruction level failures");
136 System.out.println("-taskstate -- do task state analysis");
137 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
138 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
139 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
140 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
141 System.out.println("-ownership -- do ownership analysis");
142 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
143 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
144 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
145 System.out.println("-optional -- enable optional arguments");
146 System.out.println("-webinterface -- enable web interface");
147 System.out.println("-help -- print out help");
150 readSourceFile(state, args[i]);
155 readSourceFile(state, ClassLibraryPrefix+"System.java");
156 readSourceFile(state, ClassLibraryPrefix+"String.java");
157 readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
158 readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
159 readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
160 readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
161 readSourceFile(state, ClassLibraryPrefix+"Integer.java");
162 readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
164 readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
165 readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
166 readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
167 readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
168 readSourceFile(state, ClassLibraryPrefix+"File.java");
169 readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
170 readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
171 readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
173 readSourceFile(state, ClassLibraryPrefix+"Math.java");
174 readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
175 readSourceFile(state, ClassLibraryPrefix+"Vector.java");
176 readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
177 readSourceFile(state, ClassLibraryPrefix+"Dictionary.java");
178 readSourceFile(state, ClassLibraryPrefix+"Writer.java");
179 readSourceFile(state, ClassLibraryPrefix+"BufferedWriter.java");
180 readSourceFile(state, ClassLibraryPrefix+"OutputStreamWriter.java");
181 readSourceFile(state, ClassLibraryPrefix+"FileWriter.java");
182 readSourceFile(state, ClassLibraryPrefix+"Date.java");
185 readSourceFile(state, ClassLibraryPrefix+"Object.java");
186 readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
187 } else if (state.DSM) {
188 readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
189 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
190 readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
193 readSourceFile(state, ClassLibraryPrefix+"Thread.java");
194 readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
196 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
200 readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
201 readSourceFile(state, ClassLibraryPrefix+"Socket.java");
202 readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
204 readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
205 readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
208 BuildIR bir=new BuildIR(state);
211 TypeUtil tu=new TypeUtil(state);
213 SemanticCheck sc=new SemanticCheck(state,tu);
215 tu.createFullTable();
217 BuildFlat bf=new BuildFlat(state,tu);
219 SafetyAnalysis sa=null;
220 PrefetchAnalysis pa=null;
222 if (state.TAGSTATE) {
223 CallGraph callgraph=new CallGraph(state);
224 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
225 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
228 if (state.TASKSTATE) {
229 CallGraph callgraph=new CallGraph(state);
230 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
231 TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
233 TaskGraph tg=new TaskGraph(state, ta);
236 if (state.OPTIONAL) {
237 ExecutionGraph et=new ExecutionGraph(state, ta);
238 et.createExecutionGraph();
239 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
241 state.storeAnalysisResult(sa.getResult());
242 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
245 if (state.WEBINTERFACE) {
246 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
247 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
248 JhttpServer serve=new JhttpServer(8000,wi);
252 if (state.SCHEDULING) {
253 // Save the current standard input, output, and error streams
254 // for later restoration.
255 PrintStream origOut = System.out;
257 // Create a new output stream for the standard output.
258 PrintStream stdout = null;
260 stdout = new PrintStream(new FileOutputStream("SimulatorResult.out"));
261 } catch (Exception e) {
262 // Sigh. Couldn't open the file.
263 System.out.println("Redirect: Unable to open output file!");
267 // Print stuff to the original output and error streams.
268 // On most systems all of this will end up on your console when you
269 // run this application.
270 //origOut.println ("\nRedirect: Round #1");
271 //System.out.println ("Test output via 'System.out'.");
272 //origOut.println ("Test output via 'origOut' reference.");
274 // Set the System out and err streams to use our replacements.
275 System.setOut(stdout);
277 // Print stuff to the original output and error streams.
278 // The stuff printed through the 'origOut' and 'origErr' references
279 // should go to the console on most systems while the messages
280 // printed through the 'System.out' and 'System.err' will end up in
281 // the files we created for them.
282 //origOut.println ("\nRedirect: Round #2");
283 //System.out.println ("Test output via 'SimulatorResult.out'.");
284 //origOut.println ("Test output via 'origOut' reference.");
287 // Randomly set the newRate and probability of FEdges
288 java.util.Random r=new java.util.Random();
290 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
291 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
293 Vector rootnodes=ta.getRootNodes(cd);
295 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
296 FlagState root=(FlagState)it_rootnodes.next();
297 Vector allocatingTasks = root.getAllocatingTasks();
298 if(allocatingTasks != null) {
299 for(int k = 0; k < allocatingTasks.size(); k++) {
300 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
301 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
302 int numEdges = fev.size();
304 for(int j = 0; j < numEdges; j++) {
305 FEdge pfe = fev.elementAt(j);
306 if(numEdges - j == 1) {
307 pfe.setProbability(total);
309 if((total != 0) && (total != 1)) {
311 tint = r.nextInt()%total;
314 pfe.setProbability(tint);
318 tint = r.nextInt()%10;
319 } while(tint <= 0);*/
320 //int newRate = tint;
321 //int newRate = (j+1)%2+1;
323 String cdname = cd.getSymbol();
324 if((cdname.equals("SeriesRunner")) ||
325 (cdname.equals("MDRunner")) ||
326 (cdname.equals("Stage")) ||
327 (cdname.equals("AppDemoRunner")) ||
328 (cdname.equals("FilterBankAtom"))) {
330 } else if(cdname.equals("SentenceParser")) {
334 tint = r.nextInt()%100;
336 int probability = tint;*/
337 int probability = 100;
338 pfe.addNewObjInfo(cd, newRate, probability);
344 Iterator it_flags = ta.getFlagStates(cd).iterator();
345 while(it_flags.hasNext()) {
346 FlagState fs = (FlagState)it_flags.next();
347 Iterator it_edges = fs.edges();
348 while(it_edges.hasNext()) {
350 tint = r.nextInt()%10;
351 } while(tint <= 0);*/
353 ((FEdge)it_edges.next()).setExeTime(tint);
359 // generate multiple schedulings
360 ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
361 scheduleAnalysis.preSchedule();
362 scheduleAnalysis.scheduleAnalysis();
363 //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
364 scheduleAnalysis.setCoreNum(state.CORENUM);
365 scheduleAnalysis.schedule();
367 //simulate these schedulings
368 ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
369 Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
371 Vector<Integer> selectedScheduling = new Vector<Integer>();
372 int processTime = Integer.MAX_VALUE;
373 while(it_scheduling.hasNext()) {
374 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
375 scheduleSimulator.setScheduling(scheduling);
376 int tmpTime = scheduleSimulator.process();
377 if(tmpTime < processTime) {
378 selectedScheduling.clear();
379 selectedScheduling.add(index);
380 processTime = tmpTime;
381 } else if(tmpTime == processTime) {
382 selectedScheduling.add(index);
386 System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
387 for(int i = 0; i < selectedScheduling.size(); i++) {
388 System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
390 System.out.println();
392 /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
393 Vector<Schedule> scheduling = new Vector<Schedule>();
394 for(int i = 0; i < 4; i++) {
395 Schedule schedule = new Schedule(i);
396 scheduling.add(schedule);
398 Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
399 while(it_tasks.hasNext()) {
400 TaskDescriptor td = (TaskDescriptor)it_tasks.next();
401 if(td.getSymbol().equals("t10")) {
402 scheduling.elementAt(1).addTask(td);
404 scheduling.elementAt(0).addTask(td);
407 ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
408 scheduling.elementAt(0).addTargetCore(cd, 1);
409 scheduleSimulator.setScheduling(scheduling);
410 scheduleSimulator.process();
412 Vector<Schedule> scheduling1 = new Vector<Schedule>();
413 for(int i = 0; i < 4; i++) {
414 Schedule schedule = new Schedule(i);
415 scheduling1.add(schedule);
417 Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
418 while(it_tasks1.hasNext()) {
419 TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
420 scheduling1.elementAt(0).addTask(td);
422 scheduleSimulator.setScheduling(scheduling1);
423 scheduleSimulator.process();*/
425 // Close the streams.
428 System.setOut(origOut);
429 } catch (Exception e) {
430 origOut.println("Redirect: Unable to close files!");
433 if(state.MULTICORE) {
434 //it_scheduling = scheduleAnalysis.getSchedulingsIter();
435 //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
436 Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.lastElement());
437 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
444 if(!state.MULTICORE) {
446 CallGraph callgraph=new CallGraph(state);
447 if (state.PREFETCH) {
448 //speed up prefetch generation using locality analysis results
449 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
450 pa=new PrefetchAnalysis(state, callgraph, tu, la);
453 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
454 GenerateConversions gc=new GenerateConversions(la, state);
455 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
458 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
463 if (state.FLATIRGRAPH) {
464 FlatIRGraph firg = new FlatIRGraph(state,
465 state.FLATIRGRAPHTASKS,
466 state.FLATIRGRAPHUSERMETHODS,
467 state.FLATIRGRAPHLIBMETHODS);
470 if (state.OWNERSHIP) {
471 CallGraph callGraph = new CallGraph(state);
472 OwnershipAnalysis oa = new OwnershipAnalysis(state,
475 state.OWNERSHIPALLOCDEPTH,
476 state.OWNERSHIPWRITEDOTS,
477 state.OWNERSHIPWRITEALL,
478 state.OWNERSHIPALIASFILE);
484 /** Reads in a source file and adds the parse tree to the state object. */
486 private static void readSourceFile(State state, String sourcefile) throws Exception {
487 Reader fr = new BufferedReader(new FileReader(sourcefile));
488 Lex.Lexer l = new Lex.Lexer(fr);
489 java_cup.runtime.lr_parser g;
490 g = new Parse.Parser(l);
493 p=(ParseNode) g./*debug_*/ parse().value;
494 } catch (Exception e) {
495 System.err.println("Error parsing file:"+sourcefile);
499 state.addParseNode(p);
500 if (l.numErrors()!=0) {
501 System.out.println("Error parsing "+sourcefile);
502 System.exit(l.numErrors());