3 import java.io.FileOutputStream;
4 import java.io.PrintStream;
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;
12 import java.util.Vector;
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;
22 import IR.TaskDescriptor;
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;
43 import Util.GraphNode;
44 import Util.GraphNode.DFS;
45 import Util.GraphNode.SCC;
49 /** Main method for the compiler. */
51 public static void main(String args[]) throws Exception {
52 String ClassLibraryPrefix="./ClassLibrary/";
53 State state=new State();
55 for(int i=0; i<args.length; i++) {
56 String option=args[i];
57 if (option.equals("-precise"))
58 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
59 else if (option.equals("-prefetch"))
61 else if (option.equals("-dir"))
62 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
63 else if (option.equals("-fastcheck"))
65 else if (option.equals("-selfloop"))
66 state.selfloops.add(args[++i]);
67 else if (option.equals("-excprefetch"))
68 state.excprefetch.add(args[++i]);
69 else if (option.equals("-classlibrary"))
70 ClassLibraryPrefix=args[++i]+"/";
71 else if(option.equals("-numcore")) {
73 state.CORENUM = Integer.parseInt(args[i]);
74 } else if (option.equals("-mainclass"))
76 else if (option.equals("-trueprob")) {
77 state.TRUEPROB=Double.parseDouble(args[++i]);
78 } else if (option.equals("-printflat"))
80 else if (option.equals("-printscheduling"))
81 State.PRINTSCHEDULING=true;
82 else if (option.equals("-printschedulesim"))
83 State.PRINTSCHEDULESIM=true;
84 else if (option.equals("-struct"))
85 state.structfile=args[++i];
86 else if (option.equals("-conscheck"))
88 else if (option.equals("-task"))
90 else if (option.equals("-taskstate"))
92 else if (option.equals("-tagstate"))
94 else if (option.equals("-flatirtasks")) {
95 state.FLATIRGRAPH=true;
96 state.FLATIRGRAPHTASKS=true;
97 } else if (option.equals("-flatirusermethods")) {
98 state.FLATIRGRAPH=true;
99 state.FLATIRGRAPHUSERMETHODS=true;
100 } else if (option.equals("-flatirlibmethods")) {
101 state.FLATIRGRAPH=true;
102 state.FLATIRGRAPHLIBMETHODS=true;
103 } else if (option.equals("-multicore"))
104 state.MULTICORE=true;
105 else if (option.equals("-ownership"))
106 state.OWNERSHIP=true;
107 else if (option.equals("-ownallocdepth")) {
108 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
109 } else if (option.equals("-ownwritedots")) {
110 state.OWNERSHIPWRITEDOTS=true;
111 if (args[++i].equals("all")) {
112 state.OWNERSHIPWRITEALL=true;
114 } else if (option.equals("-ownaliasfile"))
115 state.OWNERSHIPALIASFILE=args[++i];
116 else if (option.equals("-optional"))
118 else if (option.equals("-raw"))
120 else if (option.equals("-scheduling"))
121 state.SCHEDULING=true;
122 else if (option.equals("-useprofile"))
123 state.USEPROFILE=true;
124 else if (option.equals("-thread"))
126 else if (option.equals("-dsm"))
128 else if (option.equals("-webinterface"))
129 state.WEBINTERFACE=true;
130 else if (option.equals("-instructionfailures"))
131 state.INSTRUCTIONFAILURE=true;
132 else if (option.equals("-help")) {
133 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
134 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
135 System.out.println("-dir outputdirectory -- output code in outputdirectory");
136 System.out.println("-struct structfile -- output structure declarations for repair tool");
137 System.out.println("-mainclass -- main function to call");
138 System.out.println("-dsm -- distributed shared memory support");
139 System.out.println("-precise -- use precise garbage collection");
140 System.out.println("-conscheck -- turn on consistency checking");
141 System.out.println("-task -- compiler for tasks");
142 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
143 System.out.println("-thread -- threads");
144 System.out.println("-trueprob <d> -- probability of true branch");
145 System.out.println("-printflat -- print out flat representation");
146 System.out.println("-instructionfailures -- insert code for instruction level failures");
147 System.out.println("-taskstate -- do task state analysis");
148 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
149 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
150 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
151 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
152 System.out.println("-ownership -- do ownership analysis");
153 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
154 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
155 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
156 System.out.println("-optional -- enable optional arguments");
157 System.out.println("-scheduling do task scheduling");
158 System.out.println("-multicore generate multi-core version binary");
159 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
160 System.out.println("-raw generate raw version binary (should be used together with -multicore)");
161 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
162 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
163 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
164 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
165 System.out.println("-threadsimulate generate multi-thread simulate version binary");
166 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");
167 System.out.println("-printscheduling -- print out scheduling graphs");
168 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
169 System.out.println("-webinterface -- enable web interface");
170 System.out.println("-help -- print out help");
173 readSourceFile(state, args[i]);
178 readSourceFile(state, ClassLibraryPrefix+"System.java");
179 readSourceFile(state, ClassLibraryPrefix+"String.java");
180 readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
181 readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
182 readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
183 readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
184 readSourceFile(state, ClassLibraryPrefix+"Integer.java");
185 readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
187 readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
188 readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
189 readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
190 readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
191 readSourceFile(state, ClassLibraryPrefix+"File.java");
192 readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
193 readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
194 readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
196 readSourceFile(state, ClassLibraryPrefix+"Math.java");
197 readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
198 readSourceFile(state, ClassLibraryPrefix+"Vector.java");
199 readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
200 readSourceFile(state, ClassLibraryPrefix+"Dictionary.java");
201 readSourceFile(state, ClassLibraryPrefix+"Writer.java");
202 readSourceFile(state, ClassLibraryPrefix+"BufferedWriter.java");
203 readSourceFile(state, ClassLibraryPrefix+"OutputStreamWriter.java");
204 readSourceFile(state, ClassLibraryPrefix+"FileWriter.java");
205 readSourceFile(state, ClassLibraryPrefix+"Date.java");
209 readSourceFile(state, ClassLibraryPrefix+"ObjectFC.java");
211 readSourceFile(state, ClassLibraryPrefix+"Object.java");
212 readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
213 } else if (state.DSM) {
214 readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
215 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
216 readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
219 readSourceFile(state, ClassLibraryPrefix+"Thread.java");
220 readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
222 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
226 readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
227 readSourceFile(state, ClassLibraryPrefix+"Socket.java");
228 readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
230 readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
231 readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
234 BuildIR bir=new BuildIR(state);
237 TypeUtil tu=new TypeUtil(state);
239 SemanticCheck sc=new SemanticCheck(state,tu);
241 tu.createFullTable();
243 BuildFlat bf=new BuildFlat(state,tu);
245 SafetyAnalysis sa=null;
246 PrefetchAnalysis pa=null;
248 if (state.TAGSTATE) {
249 CallGraph callgraph=new CallGraph(state);
250 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
251 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
254 if (state.TASKSTATE) {
255 CallGraph callgraph=new CallGraph(state);
256 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
257 TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
259 TaskGraph tg=new TaskGraph(state, ta);
262 if (state.OPTIONAL) {
263 ExecutionGraph et=new ExecutionGraph(state, ta);
264 et.createExecutionGraph();
265 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
267 state.storeAnalysisResult(sa.getResult());
268 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
271 if (state.WEBINTERFACE) {
272 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
273 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
274 JhttpServer serve=new JhttpServer(8000,wi);
278 if (state.SCHEDULING) {
279 // Indentify backedges
280 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
281 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
283 Set<FlagState> fss = ta.getFlagStates(cd);
284 SCC scc=GraphNode.DFS.computeSCC(fss);
285 if (scc.hasCycles()) {
286 for(int i=0; i<scc.numSCC(); i++) {
287 if (scc.hasCycle(i)) {
288 Set cycleset = scc.getSCC(i);
289 Iterator it_fs = cycleset.iterator();
290 while(it_fs.hasNext()) {
291 FlagState fs = (FlagState)it_fs.next();
292 Iterator it_edges = fs.edges();
293 while(it_edges.hasNext()) {
294 FEdge edge = (FEdge)it_edges.next();
295 if(cycleset.contains(edge.getTarget())) {
297 edge.setisbackedge(true);
308 // set up profiling data
309 if(state.USEPROFILE) {
310 // read in profile data and set
311 FileInputStream inStream = new FileInputStream("/scratch/profile.rst");
312 byte[] b = new byte[1024 * 100];
313 int length = inStream.read(b);
315 System.out.print("No content in input file: /scratch/profile.rst\n");
318 String profiledata = new String(b, 0, length);
319 java.util.Hashtable<String, TaskInfo> taskinfos = new java.util.Hashtable<String, TaskInfo>();
321 // profile data format:
322 // taskname, numoftaskexits(; exetime, probability, numofnewobjtypes(, newobj type, num of objs)+)+
323 int inindex = profiledata.indexOf('\n');
324 while((inindex != -1) ) {
325 String inline = profiledata.substring(0, inindex);
326 profiledata = profiledata.substring(inindex + 1);
327 //System.printString(inline + "\n");
328 int tmpinindex = inline.indexOf(',');
329 if(tmpinindex == -1) {
332 String inname = inline.substring(0, tmpinindex);
333 String inint = inline.substring(tmpinindex + 1);
334 while(inint.startsWith(" ")) {
335 inint = inint.substring(1);
337 tmpinindex = inint.indexOf(',');
338 if(tmpinindex == -1) {
341 int numofexits = Integer.parseInt(inint.substring(0, tmpinindex));
342 TaskInfo tinfo = new TaskInfo(numofexits);
343 inint = inint.substring(tmpinindex + 1);
344 while(inint.startsWith(" ")) {
345 inint = inint.substring(1);
347 tmpinindex = inint.indexOf(';');
348 int byObj = Integer.parseInt(inint.substring(0, tmpinindex));
350 tinfo.m_byObj = byObj;
352 inint = inint.substring(tmpinindex + 1);
353 while(inint.startsWith(" ")) {
354 inint = inint.substring(1);
356 for(int i = 0; i < numofexits; i++) {
357 String tmpinfo = null;
358 if(i < numofexits - 1) {
359 tmpinindex = inint.indexOf(';');
360 tmpinfo = inint.substring(0, tmpinindex);
361 inint = inint.substring(tmpinindex + 1);
362 while(inint.startsWith(" ")) {
363 inint = inint.substring(1);
369 tmpinindex = tmpinfo.indexOf(',');
370 tinfo.m_exetime[i] = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
371 tmpinfo = tmpinfo.substring(tmpinindex + 1);
372 while(tmpinfo.startsWith(" ")) {
373 tmpinfo = tmpinfo.substring(1);
375 tmpinindex = tmpinfo.indexOf(',');
376 tinfo.m_probability[i] = Double.parseDouble(tmpinfo.substring(0, tmpinindex));
377 tmpinfo = tmpinfo.substring(tmpinindex + 1);
378 while(tmpinfo.startsWith(" ")) {
379 tmpinfo = tmpinfo.substring(1);
381 tmpinindex = tmpinfo.indexOf(',');
383 if(tmpinindex == -1) {
384 numofnobjs = Integer.parseInt(tmpinfo);
385 if(numofnobjs != 0) {
386 System.err.println("Error profile data format!");
390 tinfo.m_newobjinfo.setElementAt(new Hashtable<String,Integer>(), i);
391 numofnobjs = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
392 tmpinfo = tmpinfo.substring(tmpinindex + 1);
393 while(tmpinfo.startsWith(" ")) {
394 tmpinfo = tmpinfo.substring(1);
396 for(int j = 0; j < numofnobjs; j++) {
397 tmpinindex = tmpinfo.indexOf(',');
398 String nobjtype = tmpinfo.substring(0, tmpinindex);
399 tmpinfo = tmpinfo.substring(tmpinindex + 1);
400 while(tmpinfo.startsWith(" ")) {
401 tmpinfo = tmpinfo.substring(1);
404 if(j < numofnobjs - 1) {
405 tmpinindex = tmpinfo.indexOf(',');
406 objnum = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
407 tmpinfo = tmpinfo.substring(tmpinindex + 1);
408 while(tmpinfo.startsWith(" ")) {
409 tmpinfo = tmpinfo.substring(1);
412 objnum = Integer.parseInt(tmpinfo);
414 tinfo.m_newobjinfo.elementAt(i).put(nobjtype, objnum);
418 taskinfos.put(inname, tinfo);
419 inindex = profiledata.indexOf('\n');
422 java.util.Random r=new java.util.Random();
424 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
425 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
427 Vector rootnodes=ta.getRootNodes(cd);
428 if(rootnodes!=null) {
429 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
430 FlagState root=(FlagState)it_rootnodes.next();
431 Vector allocatingTasks = root.getAllocatingTasks();
432 if(allocatingTasks != null) {
433 for(int k = 0; k < allocatingTasks.size(); k++) {
434 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
435 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
436 int numEdges = fev.size();
438 for(int j = 0; j < numEdges; j++) {
439 FEdge pfe = fev.elementAt(j);
440 TaskInfo taskinfo = taskinfos.get(td.getSymbol());
441 tint = taskinfo.m_exetime[pfe.getTaskExitIndex()];
442 pfe.setExeTime(tint);
443 double idouble = taskinfo.m_probability[pfe.getTaskExitIndex()];
444 pfe.setProbability(idouble);
446 if((taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()) != null)
447 && (taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).containsKey(cd.getSymbol()))) {
448 newRate = taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).get(cd.getSymbol());
450 pfe.addNewObjInfo(cd, newRate, idouble);
451 if(taskinfo.m_byObj != -1) {
452 ((FlagState)pfe.getSource()).setByObj(taskinfo.m_byObj);
460 Iterator it_flags = ta.getFlagStates(cd).iterator();
461 while(it_flags.hasNext()) {
462 FlagState fs = (FlagState)it_flags.next();
463 Iterator it_edges = fs.edges();
465 while(it_edges.hasNext()) {
466 FEdge edge = (FEdge)it_edges.next();
467 TaskInfo taskinfo = taskinfos.get(edge.getTask().getSymbol());
468 tint = taskinfo.m_exetime[edge.getTaskExitIndex()];
469 edge.setExeTime(tint);
470 double idouble = taskinfo.m_probability[edge.getTaskExitIndex()];
471 edge.setProbability(idouble);
472 if(taskinfo.m_byObj != -1) {
473 ((FlagState)edge.getSource()).setByObj(taskinfo.m_byObj);
482 // Randomly set the newRate and probability of FEdges
483 java.util.Random r=new java.util.Random();
485 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
486 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
488 Vector rootnodes=ta.getRootNodes(cd);
489 if(rootnodes!=null) {
490 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
491 FlagState root=(FlagState)it_rootnodes.next();
492 Vector allocatingTasks = root.getAllocatingTasks();
493 if(allocatingTasks != null) {
494 for(int k = 0; k < allocatingTasks.size(); k++) {
495 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
496 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
497 int numEdges = fev.size();
499 for(int j = 0; j < numEdges; j++) {
500 FEdge pfe = fev.elementAt(j);
501 if(numEdges - j == 1) {
502 pfe.setProbability(total);
504 if((total != 0) && (total != 1)) {
506 tint = r.nextInt()%total;
509 pfe.setProbability(tint);
513 // tint = r.nextInt()%10;
514 // } while(tint <= 0);
515 //int newRate = tint;
516 //int newRate = (j+1)%2+1;
518 String cdname = cd.getSymbol();
519 if((cdname.equals("SeriesRunner")) ||
520 (cdname.equals("MDRunner")) ||
521 (cdname.equals("Stage")) ||
522 (cdname.equals("AppDemoRunner")) ||
523 (cdname.equals("FilterBankAtom")) ||
524 (cdname.equals("Grid"))) {
526 } else if(cdname.equals("SentenceParser")) {
530 // tint = r.nextInt()%100;
531 // } while(tint <= 0);
532 // int probability = tint;
533 int probability = 100;
534 pfe.addNewObjInfo(cd, newRate, probability);
542 Iterator it_flags = ta.getFlagStates(cd).iterator();
543 while(it_flags.hasNext()) {
544 FlagState fs = (FlagState)it_flags.next();
545 Iterator it_edges = fs.edges();
547 while(it_edges.hasNext()) {
549 // tint = r.nextInt()%10;
550 // } while(tint <= 0);
552 FEdge edge = (FEdge)it_edges.next();
553 edge.setExeTime(tint);
554 if((fs.getClassDescriptor().getSymbol().equals("MD")) && (edge.getTask().getSymbol().equals("t6"))) {
555 if(edge.isbackedge()) {
556 if(edge.getTarget().equals(edge.getSource())) {
557 edge.setProbability(93.75);
559 edge.setProbability(3.125);
562 edge.setProbability(3.125);
566 if(!it_edges.hasNext()) {
567 edge.setProbability(total);
569 if((total != 0) && (total != 1)) {
571 tint = r.nextInt()%total;
574 edge.setProbability(tint);
583 // Use ownership analysis to get alias information
584 CallGraph callGraph = new CallGraph(state);
585 OwnershipAnalysis oa = new OwnershipAnalysis(state,
588 state.OWNERSHIPALLOCDEPTH,
589 state.OWNERSHIPWRITEDOTS,
590 state.OWNERSHIPWRITEALL,
591 state.OWNERSHIPALIASFILE);
593 // Save the current standard input, output, and error streams
594 // for later restoration.
595 PrintStream origOut = System.out;
597 // Create a new output stream for the standard output.
598 PrintStream stdout = null;
600 stdout = new PrintStream(new FileOutputStream("/scratch/SimulatorResult.out"));
601 } catch (Exception e) {
602 // Sigh. Couldn't open the file.
603 System.out.println("Redirect: Unable to open output file!");
607 // Print stuff to the original output and error streams.
608 // On most systems all of this will end up on your console when you
609 // run this application.
610 //origOut.println ("\nRedirect: Round #1");
611 //System.out.println ("Test output via 'System.out'.");
612 //origOut.println ("Test output via 'origOut' reference.");
614 // Set the System out and err streams to use our replacements.
615 System.setOut(stdout);
617 // Print stuff to the original output and error streams.
618 // The stuff printed through the 'origOut' and 'origErr' references
619 // should go to the console on most systems while the messages
620 // printed through the 'System.out' and 'System.err' will end up in
621 // the files we created for them.
622 //origOut.println ("\nRedirect: Round #2");
623 //System.out.println ("Test output via 'SimulatorResult.out'.");
624 //origOut.println ("Test output via 'origOut' reference.");
626 // generate multiple schedulings
627 ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
628 scheduleAnalysis.preSchedule();
629 scheduleAnalysis.scheduleAnalysis();
630 //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
631 scheduleAnalysis.setCoreNum(state.CORENUM);
632 scheduleAnalysis.schedule();
634 //simulate these schedulings
635 ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
636 Vector<Vector<Schedule>> schedulings = scheduleAnalysis.getSchedulings();
637 Vector<Integer> selectedScheduling = new Vector<Integer>();
638 int processTime = Integer.MAX_VALUE;
639 if(schedulings.size() > 1500) {
641 int upperbound = schedulings.size();
643 java.util.Random r = new java.util.Random(seed);
644 for(int ii = 0; ii < 1500; ii++) {
645 index = (int)((Math.abs((double)r.nextInt() / (double)Integer.MAX_VALUE)) * upperbound);
646 System.out.println("Scheduling index:" + index);
647 //System.err.println("Scheduling index:" + index);
648 Vector<Schedule> scheduling = schedulings.elementAt(index);
649 scheduleSimulator.setScheduling(scheduling);
650 int tmpTime = scheduleSimulator.process();
651 if(tmpTime < processTime) {
652 selectedScheduling.clear();
653 selectedScheduling.add(index);
654 processTime = tmpTime;
655 } else if(tmpTime == processTime) {
656 selectedScheduling.add(index);
661 Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
663 while(it_scheduling.hasNext()) {
664 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
665 scheduleSimulator.setScheduling(scheduling);
666 int tmpTime = scheduleSimulator.process();
667 if(tmpTime < processTime) {
668 selectedScheduling.clear();
669 selectedScheduling.add(index);
670 processTime = tmpTime;
671 } else if(tmpTime == processTime) {
672 selectedScheduling.add(index);
679 System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
680 for(int i = 0; i < selectedScheduling.size(); i++) {
681 System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
683 System.out.println();
685 // Close the streams.
688 System.setOut(origOut);
689 } catch (Exception e) {
690 origOut.println("Redirect: Unable to close files!");
693 if(state.MULTICORE) {
694 //it_scheduling = scheduleAnalysis.getSchedulingsIter();
695 //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
696 Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.firstElement());
697 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
698 bcm.setOwnershipAnalysis(oa);
702 selectedScheduling = null;
707 if(!state.MULTICORE) {
709 CallGraph callgraph=new CallGraph(state);
710 if (state.PREFETCH) {
711 //speed up prefetch generation using locality analysis results
712 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
713 pa=new PrefetchAnalysis(state, callgraph, tu, la);
716 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
717 GenerateConversions gc=new GenerateConversions(la, state);
718 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
721 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
726 if (state.FLATIRGRAPH) {
727 FlatIRGraph firg = new FlatIRGraph(state,
728 state.FLATIRGRAPHTASKS,
729 state.FLATIRGRAPHUSERMETHODS,
730 state.FLATIRGRAPHLIBMETHODS);
733 if (state.OWNERSHIP) {
734 CallGraph callGraph = new CallGraph(state);
735 OwnershipAnalysis oa = new OwnershipAnalysis(state,
738 state.OWNERSHIPALLOCDEPTH,
739 state.OWNERSHIPWRITEDOTS,
740 state.OWNERSHIPWRITEALL,
741 state.OWNERSHIPALIASFILE);
747 /** Reads in a source file and adds the parse tree to the state object. */
749 private static void readSourceFile(State state, String sourcefile) throws Exception {
750 Reader fr = new BufferedReader(new FileReader(sourcefile));
751 Lex.Lexer l = new Lex.Lexer(fr);
752 java_cup.runtime.lr_parser g;
753 g = new Parse.Parser(l);
756 p=(ParseNode) g./*debug_*/ parse().value;
757 } catch (Exception e) {
758 System.err.println("Error parsing file:"+sourcefile);
762 state.addParseNode(p);
763 if (l.numErrors()!=0) {
764 System.out.println("Error parsing "+sourcefile);
765 System.exit(l.numErrors());
769 static class TaskInfo {
770 public int m_numofexits;
771 public int[] m_exetime;
772 public double[] m_probability;
773 public Vector<Hashtable<String, Integer>> m_newobjinfo;
776 public TaskInfo(int numofexits) {
777 this.m_numofexits = numofexits;
778 this.m_exetime = new int[this.m_numofexits];
779 this.m_probability = new double[this.m_numofexits];
780 this.m_newobjinfo = new Vector<Hashtable<String, Integer>>();
781 for(int i = 0; i < this.m_numofexits; i++) {
782 this.m_newobjinfo.add(null);