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("-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");
152 readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
153 readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
154 readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
155 readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
156 readSourceFile(state, ClassLibraryPrefix+"File.java");
157 readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
158 readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
159 readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
161 readSourceFile(state, ClassLibraryPrefix+"Math.java");
162 readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
163 readSourceFile(state, ClassLibraryPrefix+"Vector.java");
164 readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
167 readSourceFile(state, ClassLibraryPrefix+"Object.java");
168 readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
169 } else if (state.DSM) {
170 readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
171 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
172 readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
175 readSourceFile(state, ClassLibraryPrefix+"Thread.java");
176 readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
178 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
182 readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
183 readSourceFile(state, ClassLibraryPrefix+"Socket.java");
184 readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
186 readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
187 readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
190 BuildIR bir=new BuildIR(state);
193 TypeUtil tu=new TypeUtil(state);
195 SemanticCheck sc=new SemanticCheck(state,tu);
197 tu.createFullTable();
199 BuildFlat bf=new BuildFlat(state,tu);
201 SafetyAnalysis sa=null;
202 PrefetchAnalysis pa=null;
204 if (state.TAGSTATE) {
205 CallGraph callgraph=new CallGraph(state);
206 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
207 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
210 if (state.TASKSTATE) {
211 CallGraph callgraph=new CallGraph(state);
212 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
213 TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
215 TaskGraph tg=new TaskGraph(state, ta);
218 if (state.OPTIONAL) {
219 ExecutionGraph et=new ExecutionGraph(state, ta);
220 et.createExecutionGraph();
221 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
223 state.storeAnalysisResult(sa.getResult());
224 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
227 if (state.WEBINTERFACE) {
228 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
229 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
230 JhttpServer serve=new JhttpServer(8000,wi);
234 if (state.SCHEDULING) {
235 // Save the current standard input, output, and error streams
236 // for later restoration.
237 PrintStream origOut = System.out;
239 // Create a new output stream for the standard output.
240 PrintStream stdout = null;
242 stdout = new PrintStream(new FileOutputStream("SimulatorResult.out"));
243 } catch (Exception e) {
244 // Sigh. Couldn't open the file.
245 System.out.println("Redirect: Unable to open output file!");
249 // Print stuff to the original output and error streams.
250 // On most systems all of this will end up on your console when you
251 // run this application.
252 //origOut.println ("\nRedirect: Round #1");
253 //System.out.println ("Test output via 'System.out'.");
254 //origOut.println ("Test output via 'origOut' reference.");
256 // Set the System out and err streams to use our replacements.
257 System.setOut(stdout);
259 // Print stuff to the original output and error streams.
260 // The stuff printed through the 'origOut' and 'origErr' references
261 // should go to the console on most systems while the messages
262 // printed through the 'System.out' and 'System.err' will end up in
263 // the files we created for them.
264 //origOut.println ("\nRedirect: Round #2");
265 //System.out.println ("Test output via 'SimulatorResult.out'.");
266 //origOut.println ("Test output via 'origOut' reference.");
269 // Randomly set the newRate and probability of FEdges
270 java.util.Random r=new java.util.Random();
272 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
273 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
275 Vector rootnodes=ta.getRootNodes(cd);
277 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();){
278 FlagState root=(FlagState)it_rootnodes.next();
279 Vector allocatingTasks = root.getAllocatingTasks();
280 if(allocatingTasks != null) {
281 for(int k = 0; k < allocatingTasks.size(); k++) {
282 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
283 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
284 int numEdges = fev.size();
286 for(int j = 0; j < numEdges; j++) {
287 FEdge pfe = fev.elementAt(j);
288 if(numEdges - j == 1) {
289 pfe.setProbability(total);
291 if((total != 0) && (total != 1)){
293 tint = r.nextInt()%total;
296 pfe.setProbability(tint);
300 tint = r.nextInt()%10;
301 } while(tint <= 0);*/
302 //int newRate = tint;
303 //int newRate = (j+1)%2+1;
305 String cdname = cd.getSymbol();
306 if((cdname.equals("SeriesRunner")) ||
307 (cdname.equals("MDRunner")) ||
308 (cdname.equals("Stage")) ||
309 (cdname.equals("AppDemoRunner")) ||
310 (cdname.equals("FilterBankAtom"))) {
312 } else if(cdname.equals("SentenceParser")) {
316 tint = r.nextInt()%100;
318 int probability = tint;*/
319 int probability = 100;
320 pfe.addNewObjInfo(cd, newRate, probability);
326 Iterator it_flags = ta.getFlagStates(cd).iterator();
327 while(it_flags.hasNext()) {
328 FlagState fs = (FlagState)it_flags.next();
329 Iterator it_edges = fs.edges();
330 while(it_edges.hasNext()) {
332 tint = r.nextInt()%10;
333 } while(tint <= 0);*/
335 ((FEdge)it_edges.next()).setExeTime(tint);
341 // generate multiple schedulings
342 ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
343 scheduleAnalysis.preSchedule();
344 scheduleAnalysis.scheduleAnalysis();
345 //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
346 scheduleAnalysis.setCoreNum(state.CORENUM);
347 scheduleAnalysis.schedule();
349 //simulate these schedulings
350 ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
351 Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
353 Vector<Integer> selectedScheduling = new Vector<Integer>();
354 int processTime = Integer.MAX_VALUE;
355 while(it_scheduling.hasNext()) {
356 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
357 scheduleSimulator.setScheduling(scheduling);
358 int tmpTime = scheduleSimulator.process();
359 if(tmpTime < processTime) {
360 selectedScheduling.clear();
361 selectedScheduling.add(index);
362 processTime = tmpTime;
363 } else if(tmpTime == processTime) {
364 selectedScheduling.add(index);
368 System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
369 for(int i = 0; i < selectedScheduling.size(); i++) {
370 System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
372 System.out.println();
374 /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
375 Vector<Schedule> scheduling = new Vector<Schedule>();
376 for(int i = 0; i < 4; i++) {
377 Schedule schedule = new Schedule(i);
378 scheduling.add(schedule);
380 Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
381 while(it_tasks.hasNext()) {
382 TaskDescriptor td = (TaskDescriptor)it_tasks.next();
383 if(td.getSymbol().equals("t10")) {
384 scheduling.elementAt(1).addTask(td);
386 scheduling.elementAt(0).addTask(td);
389 ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
390 scheduling.elementAt(0).addTargetCore(cd, 1);
391 scheduleSimulator.setScheduling(scheduling);
392 scheduleSimulator.process();
394 Vector<Schedule> scheduling1 = new Vector<Schedule>();
395 for(int i = 0; i < 4; i++) {
396 Schedule schedule = new Schedule(i);
397 scheduling1.add(schedule);
399 Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
400 while(it_tasks1.hasNext()) {
401 TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
402 scheduling1.elementAt(0).addTask(td);
404 scheduleSimulator.setScheduling(scheduling1);
405 scheduleSimulator.process();*/
407 // Close the streams.
410 System.setOut(origOut);
411 } catch (Exception e) {
412 origOut.println("Redirect: Unable to close files!");
415 if(state.MULTICORE) {
416 //it_scheduling = scheduleAnalysis.getSchedulingsIter();
417 //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
418 Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.lastElement());
419 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
426 if(!state.MULTICORE) {
428 CallGraph callgraph=new CallGraph(state);
429 if (state.PREFETCH) {
430 //speed up prefetch generation using locality analysis results
431 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
432 pa=new PrefetchAnalysis(state, callgraph, tu, la);
435 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
436 GenerateConversions gc=new GenerateConversions(la, state);
437 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
440 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
445 if (state.FLATIRGRAPH) {
446 FlatIRGraph firg = new FlatIRGraph(state,
447 state.FLATIRGRAPHTASKS,
448 state.FLATIRGRAPHUSERMETHODS,
449 state.FLATIRGRAPHLIBMETHODS);
452 if (state.OWNERSHIP) {
453 CallGraph callGraph = new CallGraph(state);
454 int allocationDepth = 3;
455 OwnershipAnalysis oa =
456 new OwnershipAnalysis(state, callGraph, allocationDepth);
457 //This was breaking the compile
458 // oa.writeAllAliases( "identifiedAliases.txt" );
464 /** Reads in a source file and adds the parse tree to the state object. */
466 private static void readSourceFile(State state, String sourcefile) throws Exception {
467 Reader fr = new BufferedReader(new FileReader(sourcefile));
468 Lex.Lexer l = new Lex.Lexer(fr);
469 java_cup.runtime.lr_parser g;
470 g = new Parse.Parser(l);
473 p=(ParseNode) g./*debug_*/ parse().value;
474 } catch (Exception e) {
475 System.err.println("Error parsing file:"+sourcefile);
479 state.addParseNode(p);
480 if (l.numErrors()!=0) {
481 System.out.println("Error parsing "+sourcefile);
482 System.exit(l.numErrors());