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("-selfloop"))
64 state.selfloops.add(args[++i]);
65 else if (option.equals("-excprefetch"))
66 state.excprefetch.add(args[++i]);
67 else if (option.equals("-classlibrary"))
68 ClassLibraryPrefix=args[++i]+"/";
69 else if(option.equals("-numcore")) {
71 state.CORENUM = Integer.parseInt(args[i]);
72 } else if (option.equals("-mainclass"))
74 else if (option.equals("-trueprob")) {
75 state.TRUEPROB=Double.parseDouble(args[++i]);
76 } else if (option.equals("-printflat"))
78 else if (option.equals("-printscheduling"))
79 State.PRINTSCHEDULING=true;
80 else if (option.equals("-printschedulesim"))
81 State.PRINTSCHEDULESIM=true;
82 else if (option.equals("-struct"))
83 state.structfile=args[++i];
84 else if (option.equals("-conscheck"))
86 else if (option.equals("-task"))
88 else if (option.equals("-taskstate"))
90 else if (option.equals("-tagstate"))
92 else if (option.equals("-flatirtasks")) {
93 state.FLATIRGRAPH=true;
94 state.FLATIRGRAPHTASKS=true;
95 } else if (option.equals("-flatirusermethods")) {
96 state.FLATIRGRAPH=true;
97 state.FLATIRGRAPHUSERMETHODS=true;
98 } else if (option.equals("-flatirlibmethods")) {
99 state.FLATIRGRAPH=true;
100 state.FLATIRGRAPHLIBMETHODS=true;
101 } else if (option.equals("-multicore"))
102 state.MULTICORE=true;
103 else if (option.equals("-ownership"))
104 state.OWNERSHIP=true;
105 else if (option.equals("-ownallocdepth")) {
106 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
107 } else if (option.equals("-ownwritedots")) {
108 state.OWNERSHIPWRITEDOTS=true;
109 if (args[++i].equals("all")) {
110 state.OWNERSHIPWRITEALL=true;
112 } else if (option.equals("-ownaliasfile"))
113 state.OWNERSHIPALIASFILE=args[++i];
114 else if (option.equals("-optional"))
116 else if (option.equals("-raw"))
118 else if (option.equals("-scheduling"))
119 state.SCHEDULING=true;
120 else if (option.equals("-useprofile"))
121 state.USEPROFILE=true;
122 else if (option.equals("-thread"))
124 else if (option.equals("-dsm"))
126 else if (option.equals("-webinterface"))
127 state.WEBINTERFACE=true;
128 else if (option.equals("-instructionfailures"))
129 state.INSTRUCTIONFAILURE=true;
130 else if (option.equals("-help")) {
131 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
132 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
133 System.out.println("-dir outputdirectory -- output code in outputdirectory");
134 System.out.println("-struct structfile -- output structure declarations for repair tool");
135 System.out.println("-mainclass -- main function to call");
136 System.out.println("-dsm -- distributed shared memory support");
137 System.out.println("-precise -- use precise garbage collection");
138 System.out.println("-conscheck -- turn on consistency checking");
139 System.out.println("-task -- compiler for tasks");
140 System.out.println("-thread -- threads");
141 System.out.println("-trueprob <d> -- probability of true branch");
142 System.out.println("-printflat -- print out flat representation");
143 System.out.println("-instructionfailures -- insert code for instruction level failures");
144 System.out.println("-taskstate -- do task state analysis");
145 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
146 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
147 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
148 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
149 System.out.println("-ownership -- do ownership analysis");
150 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
151 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
152 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
153 System.out.println("-optional -- enable optional arguments");
154 System.out.println("-scheduling do task scheduling");
155 System.out.println("-multicore generate multi-core version binary");
156 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
157 System.out.println("-raw generate raw version binary (should be used together with -multicore)");
158 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
159 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
160 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
161 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
162 System.out.println("-threadsimulate generate multi-thread simulate version binary");
163 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");
164 System.out.println("-printscheduling -- print out scheduling graphs");
165 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
166 System.out.println("-webinterface -- enable web interface");
167 System.out.println("-help -- print out help");
170 readSourceFile(state, args[i]);
175 readSourceFile(state, ClassLibraryPrefix+"System.java");
176 readSourceFile(state, ClassLibraryPrefix+"String.java");
177 readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
178 readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
179 readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
180 readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
181 readSourceFile(state, ClassLibraryPrefix+"Integer.java");
182 readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
184 readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
185 readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
186 readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
187 readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
188 readSourceFile(state, ClassLibraryPrefix+"File.java");
189 readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
190 readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
191 readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
193 readSourceFile(state, ClassLibraryPrefix+"Math.java");
194 readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
195 readSourceFile(state, ClassLibraryPrefix+"Vector.java");
196 readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
197 readSourceFile(state, ClassLibraryPrefix+"Dictionary.java");
198 readSourceFile(state, ClassLibraryPrefix+"Writer.java");
199 readSourceFile(state, ClassLibraryPrefix+"BufferedWriter.java");
200 readSourceFile(state, ClassLibraryPrefix+"OutputStreamWriter.java");
201 readSourceFile(state, ClassLibraryPrefix+"FileWriter.java");
202 readSourceFile(state, ClassLibraryPrefix+"Date.java");
205 readSourceFile(state, ClassLibraryPrefix+"Object.java");
206 readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
207 } else if (state.DSM) {
208 readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
209 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
210 readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
213 readSourceFile(state, ClassLibraryPrefix+"Thread.java");
214 readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
216 readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
220 readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
221 readSourceFile(state, ClassLibraryPrefix+"Socket.java");
222 readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
224 readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
225 readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
228 BuildIR bir=new BuildIR(state);
231 TypeUtil tu=new TypeUtil(state);
233 SemanticCheck sc=new SemanticCheck(state,tu);
235 tu.createFullTable();
237 BuildFlat bf=new BuildFlat(state,tu);
239 SafetyAnalysis sa=null;
240 PrefetchAnalysis pa=null;
242 if (state.TAGSTATE) {
243 CallGraph callgraph=new CallGraph(state);
244 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
245 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
248 if (state.TASKSTATE) {
249 CallGraph callgraph=new CallGraph(state);
250 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
251 TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
253 TaskGraph tg=new TaskGraph(state, ta);
256 if (state.OPTIONAL) {
257 ExecutionGraph et=new ExecutionGraph(state, ta);
258 et.createExecutionGraph();
259 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
261 state.storeAnalysisResult(sa.getResult());
262 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
265 if (state.WEBINTERFACE) {
266 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
267 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
268 JhttpServer serve=new JhttpServer(8000,wi);
272 if (state.SCHEDULING) {
273 // Indentify backedges
274 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
275 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
277 Set<FlagState> fss = ta.getFlagStates(cd);
278 SCC scc=GraphNode.DFS.computeSCC(fss);
279 if (scc.hasCycles()) {
280 for(int i=0; i<scc.numSCC(); i++) {
281 if (scc.hasCycle(i)) {
282 Set cycleset = scc.getSCC(i);
283 Iterator it_fs = cycleset.iterator();
284 while(it_fs.hasNext()) {
285 FlagState fs = (FlagState)it_fs.next();
286 Iterator it_edges = fs.edges();
287 while(it_edges.hasNext()) {
288 FEdge edge = (FEdge)it_edges.next();
289 if(cycleset.contains(edge.getTarget())) {
291 edge.setisbackedge(true);
302 // set up profiling data
303 if(state.USEPROFILE) {
304 // read in profile data and set
305 FileInputStream inStream = new FileInputStream("/scratch/profile.rst");
306 byte[] b = new byte[1024 * 100];
307 int length = inStream.read(b);
309 System.out.print("No content in input file: /scratch/profile.rst\n");
312 String profiledata = new String(b, 0, length);
313 java.util.Hashtable<String, TaskInfo> taskinfos = new java.util.Hashtable<String, TaskInfo>();
315 // profile data format:
316 // taskname, numoftaskexits(; exetime, probability, numofnewobjtypes(, newobj type, num of objs)+)+
317 int inindex = profiledata.indexOf('\n');
318 while((inindex != -1) ) {
319 String inline = profiledata.substring(0, inindex);
320 profiledata = profiledata.substring(inindex + 1);
321 //System.printString(inline + "\n");
322 int tmpinindex = inline.indexOf(',');
323 if(tmpinindex == -1) {
326 String inname = inline.substring(0, tmpinindex);
327 String inint = inline.substring(tmpinindex + 1);
328 while(inint.startsWith(" ")) {
329 inint = inint.substring(1);
331 tmpinindex = inint.indexOf(',');
332 if(tmpinindex == -1) {
335 int numofexits = Integer.parseInt(inint.substring(0, tmpinindex));
336 TaskInfo tinfo = new TaskInfo(numofexits);
337 inint = inint.substring(tmpinindex + 1);
338 while(inint.startsWith(" ")) {
339 inint = inint.substring(1);
341 tmpinindex = inint.indexOf(';');
342 int byObj = Integer.parseInt(inint.substring(0, tmpinindex));
344 tinfo.m_byObj = byObj;
346 inint = inint.substring(tmpinindex + 1);
347 while(inint.startsWith(" ")) {
348 inint = inint.substring(1);
350 for(int i = 0; i < numofexits; i++) {
351 String tmpinfo = null;
352 if(i < numofexits - 1) {
353 tmpinindex = inint.indexOf(';');
354 tmpinfo = inint.substring(0, tmpinindex);
355 inint = inint.substring(tmpinindex + 1);
356 while(inint.startsWith(" ")) {
357 inint = inint.substring(1);
363 tmpinindex = tmpinfo.indexOf(',');
364 tinfo.m_exetime[i] = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
365 tmpinfo = tmpinfo.substring(tmpinindex + 1);
366 while(tmpinfo.startsWith(" ")) {
367 tmpinfo = tmpinfo.substring(1);
369 tmpinindex = tmpinfo.indexOf(',');
370 tinfo.m_probability[i] = Double.parseDouble(tmpinfo.substring(0, tmpinindex));
371 tmpinfo = tmpinfo.substring(tmpinindex + 1);
372 while(tmpinfo.startsWith(" ")) {
373 tmpinfo = tmpinfo.substring(1);
375 tmpinindex = tmpinfo.indexOf(',');
377 if(tmpinindex == -1) {
378 numofnobjs = Integer.parseInt(tmpinfo);
379 if(numofnobjs != 0) {
380 System.err.println("Error profile data format!");
384 tinfo.m_newobjinfo.setElementAt(new Hashtable<String,Integer>(), i);
385 numofnobjs = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
386 tmpinfo = tmpinfo.substring(tmpinindex + 1);
387 while(tmpinfo.startsWith(" ")) {
388 tmpinfo = tmpinfo.substring(1);
390 for(int j = 0; j < numofnobjs; j++) {
391 tmpinindex = tmpinfo.indexOf(',');
392 String nobjtype = tmpinfo.substring(0, tmpinindex);
393 tmpinfo = tmpinfo.substring(tmpinindex + 1);
394 while(tmpinfo.startsWith(" ")) {
395 tmpinfo = tmpinfo.substring(1);
398 if(j < numofnobjs - 1) {
399 tmpinindex = tmpinfo.indexOf(',');
400 objnum = Integer.parseInt(tmpinfo.substring(0, tmpinindex));
401 tmpinfo = tmpinfo.substring(tmpinindex + 1);
402 while(tmpinfo.startsWith(" ")) {
403 tmpinfo = tmpinfo.substring(1);
406 objnum = Integer.parseInt(tmpinfo);
408 tinfo.m_newobjinfo.elementAt(i).put(nobjtype, objnum);
412 taskinfos.put(inname, tinfo);
413 inindex = profiledata.indexOf('\n');
416 java.util.Random r=new java.util.Random();
418 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
419 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
421 Vector rootnodes=ta.getRootNodes(cd);
422 if(rootnodes!=null) {
423 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
424 FlagState root=(FlagState)it_rootnodes.next();
425 Vector allocatingTasks = root.getAllocatingTasks();
426 if(allocatingTasks != null) {
427 for(int k = 0; k < allocatingTasks.size(); k++) {
428 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
429 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
430 int numEdges = fev.size();
432 for(int j = 0; j < numEdges; j++) {
433 FEdge pfe = fev.elementAt(j);
434 TaskInfo taskinfo = taskinfos.get(td.getSymbol());
435 tint = taskinfo.m_exetime[pfe.getTaskExitIndex()];
436 pfe.setExeTime(tint);
437 double idouble = taskinfo.m_probability[pfe.getTaskExitIndex()];
438 pfe.setProbability(idouble);
440 if((taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()) != null)
441 && (taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).containsKey(cd.getSymbol()))) {
442 newRate = taskinfo.m_newobjinfo.elementAt(pfe.getTaskExitIndex()).get(cd.getSymbol());
444 pfe.addNewObjInfo(cd, newRate, idouble);
445 if(taskinfo.m_byObj != -1) {
446 ((FlagState)pfe.getSource()).setByObj(taskinfo.m_byObj);
454 Iterator it_flags = ta.getFlagStates(cd).iterator();
455 while(it_flags.hasNext()) {
456 FlagState fs = (FlagState)it_flags.next();
457 Iterator it_edges = fs.edges();
459 while(it_edges.hasNext()) {
460 FEdge edge = (FEdge)it_edges.next();
461 TaskInfo taskinfo = taskinfos.get(edge.getTask().getSymbol());
462 tint = taskinfo.m_exetime[edge.getTaskExitIndex()];
463 edge.setExeTime(tint);
464 double idouble = taskinfo.m_probability[edge.getTaskExitIndex()];
465 edge.setProbability(idouble);
466 if(taskinfo.m_byObj != -1) {
467 ((FlagState)edge.getSource()).setByObj(taskinfo.m_byObj);
476 // Randomly set the newRate and probability of FEdges
477 java.util.Random r=new java.util.Random();
479 for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
480 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
482 Vector rootnodes=ta.getRootNodes(cd);
483 if(rootnodes!=null) {
484 for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
485 FlagState root=(FlagState)it_rootnodes.next();
486 Vector allocatingTasks = root.getAllocatingTasks();
487 if(allocatingTasks != null) {
488 for(int k = 0; k < allocatingTasks.size(); k++) {
489 TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
490 Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
491 int numEdges = fev.size();
493 for(int j = 0; j < numEdges; j++) {
494 FEdge pfe = fev.elementAt(j);
495 if(numEdges - j == 1) {
496 pfe.setProbability(total);
498 if((total != 0) && (total != 1)) {
500 tint = r.nextInt()%total;
503 pfe.setProbability(tint);
507 // tint = r.nextInt()%10;
508 // } while(tint <= 0);
509 //int newRate = tint;
510 //int newRate = (j+1)%2+1;
512 String cdname = cd.getSymbol();
513 if((cdname.equals("SeriesRunner")) ||
514 (cdname.equals("MDRunner")) ||
515 (cdname.equals("Stage")) ||
516 (cdname.equals("AppDemoRunner")) ||
517 (cdname.equals("FilterBankAtom")) ||
518 (cdname.equals("Grid"))) {
520 } else if(cdname.equals("SentenceParser")) {
524 // tint = r.nextInt()%100;
525 // } while(tint <= 0);
526 // int probability = tint;
527 int probability = 100;
528 pfe.addNewObjInfo(cd, newRate, probability);
536 Iterator it_flags = ta.getFlagStates(cd).iterator();
537 while(it_flags.hasNext()) {
538 FlagState fs = (FlagState)it_flags.next();
539 Iterator it_edges = fs.edges();
541 while(it_edges.hasNext()) {
543 // tint = r.nextInt()%10;
544 // } while(tint <= 0);
546 FEdge edge = (FEdge)it_edges.next();
547 edge.setExeTime(tint);
548 if((fs.getClassDescriptor().getSymbol().equals("MD")) && (edge.getTask().getSymbol().equals("t6"))) {
549 if(edge.isbackedge()) {
550 if(edge.getTarget().equals(edge.getSource())) {
551 edge.setProbability(93.75);
553 edge.setProbability(3.125);
556 edge.setProbability(3.125);
560 if(!it_edges.hasNext()) {
561 edge.setProbability(total);
563 if((total != 0) && (total != 1)) {
565 tint = r.nextInt()%total;
568 edge.setProbability(tint);
577 // Use ownership analysis to get alias information
578 CallGraph callGraph = new CallGraph(state);
579 OwnershipAnalysis oa = new OwnershipAnalysis(state,
582 state.OWNERSHIPALLOCDEPTH,
583 state.OWNERSHIPWRITEDOTS,
584 state.OWNERSHIPWRITEALL,
585 state.OWNERSHIPALIASFILE);
587 // Save the current standard input, output, and error streams
588 // for later restoration.
589 PrintStream origOut = System.out;
591 // Create a new output stream for the standard output.
592 PrintStream stdout = null;
594 stdout = new PrintStream(new FileOutputStream("/scratch/SimulatorResult.out"));
595 } catch (Exception e) {
596 // Sigh. Couldn't open the file.
597 System.out.println("Redirect: Unable to open output file!");
601 // Print stuff to the original output and error streams.
602 // On most systems all of this will end up on your console when you
603 // run this application.
604 //origOut.println ("\nRedirect: Round #1");
605 //System.out.println ("Test output via 'System.out'.");
606 //origOut.println ("Test output via 'origOut' reference.");
608 // Set the System out and err streams to use our replacements.
609 System.setOut(stdout);
611 // Print stuff to the original output and error streams.
612 // The stuff printed through the 'origOut' and 'origErr' references
613 // should go to the console on most systems while the messages
614 // printed through the 'System.out' and 'System.err' will end up in
615 // the files we created for them.
616 //origOut.println ("\nRedirect: Round #2");
617 //System.out.println ("Test output via 'SimulatorResult.out'.");
618 //origOut.println ("Test output via 'origOut' reference.");
620 // generate multiple schedulings
621 ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
622 scheduleAnalysis.preSchedule();
623 scheduleAnalysis.scheduleAnalysis();
624 //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
625 scheduleAnalysis.setCoreNum(state.CORENUM);
626 scheduleAnalysis.schedule();
628 //simulate these schedulings
629 ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
630 Vector<Vector<Schedule>> schedulings = scheduleAnalysis.getSchedulings();
631 Vector<Integer> selectedScheduling = new Vector<Integer>();
632 int processTime = Integer.MAX_VALUE;
633 if(schedulings.size() > 1500) {
635 int upperbound = schedulings.size();
637 java.util.Random r = new java.util.Random(seed);
638 for(int ii = 0; ii < 1500; ii++) {
639 index = (int)((Math.abs((double)r.nextInt() / (double)Integer.MAX_VALUE)) * upperbound);
640 System.out.println("Scheduling index:" + index);
641 //System.err.println("Scheduling index:" + index);
642 Vector<Schedule> scheduling = schedulings.elementAt(index);
643 scheduleSimulator.setScheduling(scheduling);
644 int tmpTime = scheduleSimulator.process();
645 if(tmpTime < processTime) {
646 selectedScheduling.clear();
647 selectedScheduling.add(index);
648 processTime = tmpTime;
649 } else if(tmpTime == processTime) {
650 selectedScheduling.add(index);
655 Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
657 while(it_scheduling.hasNext()) {
658 Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
659 scheduleSimulator.setScheduling(scheduling);
660 int tmpTime = scheduleSimulator.process();
661 if(tmpTime < processTime) {
662 selectedScheduling.clear();
663 selectedScheduling.add(index);
664 processTime = tmpTime;
665 } else if(tmpTime == processTime) {
666 selectedScheduling.add(index);
673 System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
674 for(int i = 0; i < selectedScheduling.size(); i++) {
675 System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
677 System.out.println();
679 // Close the streams.
682 System.setOut(origOut);
683 } catch (Exception e) {
684 origOut.println("Redirect: Unable to close files!");
687 if(state.MULTICORE) {
688 //it_scheduling = scheduleAnalysis.getSchedulingsIter();
689 //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
690 Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.firstElement());
691 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
692 bcm.setOwnershipAnalysis(oa);
696 selectedScheduling = null;
701 if(!state.MULTICORE) {
703 CallGraph callgraph=new CallGraph(state);
704 if (state.PREFETCH) {
705 //speed up prefetch generation using locality analysis results
706 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
707 pa=new PrefetchAnalysis(state, callgraph, tu, la);
710 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
711 GenerateConversions gc=new GenerateConversions(la, state);
712 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
715 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
720 if (state.FLATIRGRAPH) {
721 FlatIRGraph firg = new FlatIRGraph(state,
722 state.FLATIRGRAPHTASKS,
723 state.FLATIRGRAPHUSERMETHODS,
724 state.FLATIRGRAPHLIBMETHODS);
727 if (state.OWNERSHIP) {
728 CallGraph callGraph = new CallGraph(state);
729 OwnershipAnalysis oa = new OwnershipAnalysis(state,
732 state.OWNERSHIPALLOCDEPTH,
733 state.OWNERSHIPWRITEDOTS,
734 state.OWNERSHIPWRITEALL,
735 state.OWNERSHIPALIASFILE);
741 /** Reads in a source file and adds the parse tree to the state object. */
743 private static void readSourceFile(State state, String sourcefile) throws Exception {
744 Reader fr = new BufferedReader(new FileReader(sourcefile));
745 Lex.Lexer l = new Lex.Lexer(fr);
746 java_cup.runtime.lr_parser g;
747 g = new Parse.Parser(l);
750 p=(ParseNode) g./*debug_*/ parse().value;
751 } catch (Exception e) {
752 System.err.println("Error parsing file:"+sourcefile);
756 state.addParseNode(p);
757 if (l.numErrors()!=0) {
758 System.out.println("Error parsing "+sourcefile);
759 System.exit(l.numErrors());
763 static class TaskInfo {
764 public int m_numofexits;
765 public int[] m_exetime;
766 public double[] m_probability;
767 public Vector<Hashtable<String, Integer>> m_newobjinfo;
770 public TaskInfo(int numofexits) {
771 this.m_numofexits = numofexits;
772 this.m_exetime = new int[this.m_numofexits];
773 this.m_probability = new double[this.m_numofexits];
774 this.m_newobjinfo = new Vector<Hashtable<String, Integer>>();
775 for(int i = 0; i < this.m_numofexits; i++) {
776 this.m_newobjinfo.add(null);