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.Flat.Inliner;
21 import IR.ClassDescriptor;
23 import IR.TaskDescriptor;
25 import Analysis.Scheduling.MCImplSynthesis;
26 import Analysis.Scheduling.Schedule;
27 import Analysis.Scheduling.ScheduleAnalysis;
28 import Analysis.Scheduling.ScheduleSimulator;
29 import Analysis.TaskStateAnalysis.TaskAnalysis;
30 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
31 import Analysis.TaskStateAnalysis.TaskGraph;
32 import Analysis.CallGraph.CallGraph;
33 import Analysis.TaskStateAnalysis.FEdge;
34 import Analysis.TaskStateAnalysis.FlagState;
35 import Analysis.TaskStateAnalysis.TagAnalysis;
36 import Analysis.TaskStateAnalysis.GarbageAnalysis;
37 import Analysis.TaskStateAnalysis.ExecutionGraph;
38 import Analysis.TaskStateAnalysis.SafetyAnalysis;
39 import Analysis.Locality.LocalityAnalysis;
40 import Analysis.Locality.GenerateConversions;
41 import Analysis.Prefetch.PrefetchAnalysis;
42 import Analysis.FlatIRGraph.FlatIRGraph;
43 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
44 import Analysis.Disjoint.DisjointAnalysis;
45 import Analysis.MLP.MLPAnalysis;
46 import Analysis.Loops.*;
47 import Analysis.Liveness;
48 import Analysis.ArrayReferencees;
49 import IR.MethodDescriptor;
50 import IR.Flat.FlatMethod;
52 import Util.GraphNode;
53 import Util.GraphNode.DFS;
54 import Util.GraphNode.SCC;
58 /** Main method for the compiler. */
60 public static void main(String args[]) throws Exception {
61 String ClassLibraryPrefix="./ClassLibrary/";
62 State state=new State();
63 Vector sourcefiles=new Vector();
64 state.classpath.add(".");
66 String outputdir = null;
67 boolean isDistributeInfo = false;
68 boolean isDisAll = false;
71 for(int i=0; i<args.length; i++) {
72 String option=args[i];
73 if (option.equals("-precise"))
74 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
75 else if (option.equals("-prefetch"))
77 else if (option.equals("-dir"))
78 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
79 else if (option.equals("-fastcheck"))
81 else if (option.equals("-selfloop"))
82 state.selfloops.add(args[++i]);
83 else if (option.equals("-outputdir"))
84 state.outputdir = args[++i];
85 else if (option.equals("-excprefetch"))
86 state.excprefetch.add(args[++i]);
87 else if (option.equals("-classlibrary"))
88 state.classpath.add(args[++i]);
89 else if (option.equals("-inlineatomic")) {
90 state.INLINEATOMIC=true;
91 state.inlineatomicdepth=Integer.parseInt(args[++i]);
92 } else if(option.equals("-numcore")) {
94 state.CORENUM = Integer.parseInt(args[i]);
95 } else if(option.equals("-numcore4gc")) {
97 state.CORENUM4GC = Integer.parseInt(args[i]);
98 } else if (option.equals("-mainclass"))
100 else if (option.equals("-trueprob")) {
101 state.TRUEPROB=Double.parseDouble(args[++i]);
102 } else if (option.equals("-printflat"))
103 State.PRINTFLAT=true;
104 else if (option.equals("-printscheduling"))
105 State.PRINTSCHEDULING=true;
106 else if (option.equals("-minimize"))
108 else if (option.equals("-printschedulesim"))
109 State.PRINTSCHEDULESIM=true;
110 else if (option.equals("-printcriticalpath"))
111 State.PRINTCRITICALPATH=true;
112 else if (option.equals("-struct"))
113 state.structfile=args[++i];
114 else if (option.equals("-conscheck"))
115 state.CONSCHECK=true;
116 else if (option.equals("-task"))
118 else if (option.equals("-abortreaders"))
119 state.ABORTREADERS=true;
120 else if (option.equals("-sandbox"))
122 else if (option.equals("-taskstate"))
123 state.TASKSTATE=true;
124 else if (option.equals("-tagstate"))
126 else if (option.equals("-stmarray"))
128 else if (option.equals("-eventmonitor"))
129 state.EVENTMONITOR=true;
130 else if (option.equals("-dualview"))
132 else if (option.equals("-hybrid"))
134 else if (option.equals("-flatirtasks")) {
135 state.FLATIRGRAPH=true;
136 state.FLATIRGRAPHTASKS=true;
137 } else if (option.equals("-flatirusermethods")) {
138 state.FLATIRGRAPH=true;
139 state.FLATIRGRAPHUSERMETHODS=true;
140 } else if (option.equals("-flatirlibmethods")) {
141 state.FLATIRGRAPH=true;
142 state.FLATIRGRAPHLIBMETHODS=true;
143 } else if (option.equals("-bamboocompiletime")) {
144 state.BAMBOOCOMPILETIME = true;
145 } else if (option.equals("-multicore"))
146 state.MULTICORE=true;
147 else if (option.equals("-multicoregc"))
148 state.MULTICOREGC=true;
149 else if (option.equals("-ownership"))
150 state.OWNERSHIP=true;
151 else if (option.equals("-ownallocdepth")) {
152 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
153 } else if (option.equals("-ownwritedots")) {
154 state.OWNERSHIPWRITEDOTS=true;
155 if (args[++i].equals("all")) {
156 state.OWNERSHIPWRITEALL=true;
158 } else if (option.equals("-ownaliasfile")) {
159 state.OWNERSHIPALIASFILE=args[++i];
160 } else if (option.equals("-ownaliasfiletab")) {
161 state.OWNERSHIPALIASFILE=args[++i];
162 state.OWNERSHIPALIASTAB=true;
163 } else if (option.equals("-owndebugcallee")) {
164 state.OWNERSHIPDEBUGCALLEE=args[++i];
165 } else if (option.equals("-owndebugcaller")) {
166 state.OWNERSHIPDEBUGCALLER=args[++i];
167 } else if (option.equals("-owndebugcallcount")) {
168 state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
171 else if (option.equals("-disjoint"))
174 else if (option.equals("-disjoint-k")) {
175 state.DISJOINTALLOCDEPTH=Integer.parseInt(args[++i]);
177 } else if (option.equals("-disjoint-write-dots")) {
178 state.DISJOINTWRITEDOTS = true;
179 String arg = args[++i];
180 if( arg.equals("all") ) {
181 state.DISJOINTWRITEALL = true;
182 } else if( arg.equals("final") ) {
183 state.DISJOINTWRITEALL = false;
185 throw new Error("disjoint-write-dots requires argument <all/final>");
188 } else if (option.equals("-disjoint-write-initial-contexts")) {
189 state.DISJOINTWRITEINITCONTEXTS = true;
191 } else if (option.equals("-disjoint-write-ihms")) {
192 state.DISJOINTWRITEIHMS = true;
194 } else if (option.equals("-disjoint-alias-file")) {
195 state.DISJOINTALIASFILE = args[++i];
196 String arg = args[++i];
197 if( arg.equals("normal") ) {
198 state.DISJOINTALIASTAB = false;
199 } else if( arg.equals("tabbed") ) {
200 state.DISJOINTALIASTAB = true;
202 throw new Error("disjoint-alias-file requires arguments: <filename> <normal/tabbed>");
205 } else if (option.equals("-disjoint-debug-callsite")) {
206 state.DISJOINTDEBUGCALLEE=args[++i];
207 state.DISJOINTDEBUGCALLER=args[++i];
208 state.DISJOINTDEBUGCALLVISITTOSTART=Integer.parseInt(args[++i]);
209 state.DISJOINTDEBUGCALLNUMVISITS=Integer.parseInt(args[++i]);
210 String arg = args[++i];
211 if( arg.equals("true") ) {
212 state.DISJOINTDEBUGCALLSTOPAFTER = true;
213 } else if( arg.equals("false") ) {
214 state.DISJOINTDEBUGCALLSTOPAFTER = false;
216 throw new Error("disjoint-debug-callsite requires arguments:\n"+
217 " <callee symbol> <caller symbol> <# visit to start> <# visits to capture> <T/F stop after>");
220 } else if (option.equals("-disjoint-debug-snap-method")) {
221 state.DISJOINTSNAPSYMBOL=args[++i];
222 state.DISJOINTSNAPVISITTOSTART=Integer.parseInt(args[++i]);
223 state.DISJOINTSNAPNUMVISITS=Integer.parseInt(args[++i]);
224 String arg = args[++i];
225 if( arg.equals("true") ) {
226 state.DISJOINTSNAPSTOPAFTER = true;
227 } else if( arg.equals("false") ) {
228 state.DISJOINTSNAPSTOPAFTER = false;
230 throw new Error("disjoint-debug-snap-method requires arguments:\n"+
231 " <method symbol> <# visit to start> <# visits to snap> <T/F stop after>");
234 } else if( option.equals( "-disjoint-release-mode" ) ) {
235 state.DISJOINTRELEASEMODE = true;
237 } else if( option.equals( "-disjoint-dvisit-stack" ) ) {
238 state.DISJOINTDVISITSTACK = true;
239 state.DISJOINTDVISITPQUE = false;
240 state.DISJOINTDVISITSTACKEESONTOP = false;
242 } else if( option.equals( "-disjoint-dvisit-pqueue" ) ) {
243 state.DISJOINTDVISITPQUE = true;
244 state.DISJOINTDVISITSTACK = false;
245 state.DISJOINTDVISITSTACKEESONTOP = false;
247 } else if( option.equals( "-disjoint-dvisit-stack-callees-on-top" ) ) {
248 state.DISJOINTDVISITSTACKEESONTOP = true;
249 state.DISJOINTDVISITPQUE = false;
250 state.DISJOINTDVISITSTACK = false;
252 } else if( option.equals( "-disjoint-desire-determinism" ) ) {
253 state.DISJOINTDETERMINISM = true;
255 // when asking analysis for a deterministic result, force
256 // a stack-based visiting scheme, because the priority queue
257 // requires a non-deterministic topological sort
258 state.DISJOINTDVISITSTACKEESONTOP = true;
259 state.DISJOINTDVISITPQUE = false;
260 state.DISJOINTDVISITSTACK = false;
263 } else if( option.equals( "-disjoint-debug-scheduling" ) ) {
264 state.DISJOINTDEBUGSCHEDULING = true;
268 else if (option.equals("-optional"))
270 else if (option.equals("-optimize"))
272 else if (option.equals("-dcopts"))
274 else if (option.equals("-arraypad"))
276 else if (option.equals("-delaycomp"))
277 state.DELAYCOMP=true;
278 else if (option.equals("-raw"))
280 else if (option.equals("-scheduling"))
281 state.SCHEDULING=true;
282 else if (option.equals("-distributioninfo"))
283 isDistributeInfo=true;
284 else if (option.equals("-disall"))
286 else if (option.equals("-disstart"))
287 startnum = Integer.parseInt(args[++i]);
288 else if (option.equals("-useprofile")) {
289 state.USEPROFILE=true;
290 state.profilename = args[++i];
292 else if (option.equals("-thread"))
294 else if (option.equals("-dsm"))
296 else if (option.equals("-recoverystats"))
297 state.DSMRECOVERYSTATS=true;
298 else if (option.equals("-dsmtask"))
300 else if (option.equals("-singleTM"))
302 else if (option.equals("-readset"))
304 else if (option.equals("-webinterface"))
305 state.WEBINTERFACE=true;
306 else if (option.equals("-instructionfailures"))
307 state.INSTRUCTIONFAILURE=true;
308 else if (option.equals("-abcclose"))
309 state.ARRAYBOUNDARYCHECK=false;
311 else if (option.equals("-mlp")) {
313 state.OWNERSHIP = true;
314 state.MLP_NUMCORES = Integer.parseInt( args[++i] );
315 state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
317 } else if (option.equals("-mlpdebug")) {
320 } else if (option.equals("-methodeffects")) {
321 state.METHODEFFECTS=true;
322 }else if (option.equals("-help")) {
323 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
324 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
325 System.out.println("-dir outputdirectory -- output code in outputdirectory");
326 System.out.println("-struct structfile -- output structure declarations for repair tool");
327 System.out.println("-mainclass -- main function to call");
328 System.out.println("-dsm -- distributed shared memory support");
329 System.out.println("-singleTM -- single machine committing transactions");
330 System.out.println("-abortreaders -- abort readers");
331 System.out.println("-precise -- use precise garbage collection");
332 System.out.println("-conscheck -- turn on consistency checking");
333 System.out.println("-task -- compiler for tasks");
334 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
335 System.out.println("-thread -- threads");
336 System.out.println("-trueprob <d> -- probability of true branch");
337 System.out.println("-printflat -- print out flat representation");
338 System.out.println("-instructionfailures -- insert code for instruction level failures");
339 System.out.println("-taskstate -- do task state analysis");
340 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
341 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
342 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
343 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
344 System.out.println("-ownership -- do ownership analysis");
345 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
346 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
347 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
348 System.out.println("-optimize -- enable optimizations");
349 System.out.println("-optional -- enable optional arguments");
350 System.out.println("-abcclose close the array boundary check");
351 System.out.println("-scheduling do task scheduling");
352 System.out.println("-mlp <num cores> <max sese age> build mlp code");
353 System.out.println("-mlpdebug if mlp, report progress and interim results");
354 System.out.println("-multicore generate multi-core version binary");
355 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
356 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
357 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
358 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
359 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
360 System.out.println("-threadsimulate generate multi-thread simulate version binary");
361 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");
362 System.out.println("-printscheduling -- print out scheduling graphs");
363 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
364 System.out.println("-webinterface -- enable web interface");
365 System.out.println("-help -- print out help");
368 sourcefiles.add(args[i]);
372 //add default classpath
373 if (state.classpath.size()==1)
374 state.classpath.add(ClassLibraryPrefix);
376 BuildIR bir=new BuildIR(state);
377 TypeUtil tu=new TypeUtil(state, bir);
380 SemanticCheck sc=new SemanticCheck(state,tu);
382 for(int i=0;i<sourcefiles.size();i++)
383 loadClass(state, bir,(String)sourcefiles.get(i));
385 //Stuff the runtime wants to see
386 sc.getClass("String");
389 sc.getClass("Socket");
390 sc.getClass("ServerSocket");
391 sc.getClass("FileInputStream");
392 sc.getClass("FileOutputStream");
394 sc.getClass("TagDescriptor");
396 if (state.THREAD||state.DSM||state.SINGLETM) {
397 sc.getClass("Thread");
402 tu.createFullTable();
404 BuildFlat bf=new BuildFlat(state,tu);
406 SafetyAnalysis sa=null;
407 PrefetchAnalysis pa=null;
408 MLPAnalysis mlpa=null;
409 if (state.INLINEATOMIC) {
410 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
411 while(classit.hasNext()) {
412 ClassDescriptor cn=(ClassDescriptor)classit.next();
413 Iterator methodit=cn.getMethods();
414 while(methodit.hasNext()) {
416 MethodDescriptor md=(MethodDescriptor)methodit.next();
417 FlatMethod fm=state.getMethodFlat(md);
418 Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
424 if (state.OPTIMIZE) {
425 CallGraph callgraph=new CallGraph(state);
426 CopyPropagation cp=new CopyPropagation();
427 DeadCode dc=new DeadCode();
428 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
429 CSE cse=new CSE(gft, tu);
430 localCSE lcse=new localCSE(gft, tu);
431 LoopOptimize lo=new LoopOptimize(gft, tu);
432 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
433 while(classit.hasNext()) {
434 ClassDescriptor cn=(ClassDescriptor)classit.next();
435 Iterator methodit=cn.getMethods();
436 while(methodit.hasNext()) {
437 /* Classify parameters */
438 MethodDescriptor md=(MethodDescriptor)methodit.next();
439 FlatMethod fm=state.getMethodFlat(md);
455 if (state.FLATIRGRAPH) {
456 FlatIRGraph firg = new FlatIRGraph(state,
457 state.FLATIRGRAPHTASKS,
458 state.FLATIRGRAPHUSERMETHODS,
459 state.FLATIRGRAPHLIBMETHODS);
462 if (state.OWNERSHIP && !state.MLP) {
463 CallGraph callGraph = new CallGraph(state);
464 Liveness liveness = new Liveness();
465 ArrayReferencees ar = new ArrayReferencees(state);
466 OwnershipAnalysis oa = new OwnershipAnalysis(state,
471 state.OWNERSHIPALLOCDEPTH,
472 state.OWNERSHIPWRITEDOTS,
473 state.OWNERSHIPWRITEALL,
474 state.OWNERSHIPALIASFILE,
475 state.METHODEFFECTS);
479 CallGraph callGraph = new CallGraph(state);
480 Liveness liveness = new Liveness();
481 ArrayReferencees ar = new ArrayReferencees(state);
482 OwnershipAnalysis oa = new OwnershipAnalysis(state,
487 state.OWNERSHIPALLOCDEPTH,
488 state.OWNERSHIPWRITEDOTS,
489 state.OWNERSHIPWRITEALL,
490 state.OWNERSHIPALIASFILE,
491 state.METHODEFFECTS);
492 mlpa = new MLPAnalysis(state,
498 if (state.DISJOINT) {
499 CallGraph cg = new CallGraph(state);
500 Liveness l = new Liveness();
501 ArrayReferencees ar = new ArrayReferencees(state);
502 DisjointAnalysis oa = new DisjointAnalysis(state, tu, cg, l, ar);
505 if (state.TAGSTATE) {
506 CallGraph callgraph=new CallGraph(state);
507 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
508 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
511 if (state.TASKSTATE) {
512 CallGraph callgraph=new CallGraph(state);
513 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
514 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
516 TaskGraph tg=new TaskGraph(state, ta);
519 if (state.OPTIONAL) {
520 ExecutionGraph et=new ExecutionGraph(state, ta);
521 et.createExecutionGraph();
522 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
524 state.storeAnalysisResult(sa.getResult());
525 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
528 if (state.WEBINTERFACE) {
529 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
530 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
531 JhttpServer serve=new JhttpServer(8000,wi);
535 if (state.SCHEDULING) {
536 // Use ownership analysis to get alias information
537 CallGraph callGraph = new CallGraph(state);
538 Liveness liveness = new Liveness();
539 ArrayReferencees ar = new ArrayReferencees(state);
540 OwnershipAnalysis oa = new OwnershipAnalysis(state,
545 state.OWNERSHIPALLOCDEPTH,
546 state.OWNERSHIPWRITEDOTS,
547 state.OWNERSHIPWRITEALL,
548 state.OWNERSHIPALIASFILE);
550 // synthesis a layout according to target multicore processor
551 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
554 if(isDistributeInfo) {
555 mcImplSynthesis.distribution(isDisAll, startnum);
557 double timeStartAnalysis = (double) System.nanoTime();
558 mcImplSynthesis.setScheduleThreshold(20);
559 mcImplSynthesis.setProbThreshold(0);
560 mcImplSynthesis.setGenerateThreshold(30);
561 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
563 double timeEndAnalysis = (double) System.nanoTime();
564 if(state.BAMBOOCOMPILETIME) {
565 double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
566 System.err.println("The analysis took" + dt + "sec.");
570 // generate multicore codes
571 if(state.MULTICORE) {
572 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
577 mcImplSynthesis.getCoreNum(),
580 bcm.setOwnershipAnalysis(oa);
588 if(!state.MULTICORE) {
589 if (state.DSM||state.SINGLETM) {
590 CallGraph callgraph=new CallGraph(state);
591 if (state.PREFETCH) {
592 //speed up prefetch generation using locality analysis results
593 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
594 pa=new PrefetchAnalysis(state, callgraph, tu, la);
596 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
597 GenerateConversions gc=new GenerateConversions(la, state);
598 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
601 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
606 System.out.println("Lines="+state.lines);
610 public static void loadClass(State state, BuildIR bir, String sourcefile) {
612 ParseNode pn=readSourceFile(state, sourcefile);
613 bir.buildtree(pn, null);
614 } catch (Exception e) {
615 System.out.println("Error in sourcefile:"+sourcefile);
619 System.out.println("Error in sourcefile:"+sourcefile);
625 /** Reads in a source file and adds the parse tree to the state object. */
627 public static ParseNode readSourceFile(State state, String sourcefile) {
629 Reader fr= new BufferedReader(new FileReader(sourcefile));
630 Lex.Lexer l = new Lex.Lexer(fr);
631 java_cup.runtime.lr_parser g;
632 g = new Parse.Parser(l);
635 p=(ParseNode) g./*debug_*/parse().value;
636 } catch (Exception e) {
637 System.err.println("Error parsing file:"+sourcefile);
641 state.addParseNode(p);
642 if (l.numErrors()!=0) {
643 System.out.println("Error parsing "+sourcefile);
644 System.exit(l.numErrors());
646 state.lines+=l.line_num;
649 } catch (Exception e) {