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.MLP.MLPAnalysis;
45 import Analysis.Loops.*;
46 import Analysis.Liveness;
47 import IR.MethodDescriptor;
48 import IR.Flat.FlatMethod;
50 import Util.GraphNode;
51 import Util.GraphNode.DFS;
52 import Util.GraphNode.SCC;
56 /** Main method for the compiler. */
58 public static void main(String args[]) throws Exception {
59 String ClassLibraryPrefix="./ClassLibrary/";
60 State state=new State();
61 Vector sourcefiles=new Vector();
62 state.classpath.add(".");
64 String outputdir = null;
65 boolean isDistributeInfo = false;
66 boolean isDisAll = false;
69 for(int i=0; i<args.length; i++) {
70 String option=args[i];
71 if (option.equals("-precise"))
72 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
73 else if (option.equals("-prefetch"))
75 else if (option.equals("-dir"))
76 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
77 else if (option.equals("-fastcheck"))
79 else if (option.equals("-selfloop"))
80 state.selfloops.add(args[++i]);
81 else if (option.equals("-outputdir"))
82 state.outputdir = args[++i];
83 else if (option.equals("-excprefetch"))
84 state.excprefetch.add(args[++i]);
85 else if (option.equals("-classlibrary"))
86 state.classpath.add(args[++i]);
87 else if (option.equals("-inlineatomic")) {
88 state.INLINEATOMIC=true;
89 state.inlineatomicdepth=Integer.parseInt(args[++i]);
90 } else if(option.equals("-numcore")) {
92 state.CORENUM = Integer.parseInt(args[i]);
93 } else if (option.equals("-mainclass"))
95 else if (option.equals("-trueprob")) {
96 state.TRUEPROB=Double.parseDouble(args[++i]);
97 } else if (option.equals("-printflat"))
99 else if (option.equals("-printscheduling"))
100 State.PRINTSCHEDULING=true;
101 else if (option.equals("-minimize"))
103 else if (option.equals("-printschedulesim"))
104 State.PRINTSCHEDULESIM=true;
105 else if (option.equals("-printcriticalpath"))
106 State.PRINTCRITICALPATH=true;
107 else if (option.equals("-struct"))
108 state.structfile=args[++i];
109 else if (option.equals("-conscheck"))
110 state.CONSCHECK=true;
111 else if (option.equals("-task"))
113 else if (option.equals("-abortreaders"))
114 state.ABORTREADERS=true;
115 else if (option.equals("-sandbox"))
117 else if (option.equals("-taskstate"))
118 state.TASKSTATE=true;
119 else if (option.equals("-tagstate"))
121 else if (option.equals("-stmarray"))
123 else if (option.equals("-flatirtasks")) {
124 state.FLATIRGRAPH=true;
125 state.FLATIRGRAPHTASKS=true;
126 } else if (option.equals("-flatirusermethods")) {
127 state.FLATIRGRAPH=true;
128 state.FLATIRGRAPHUSERMETHODS=true;
129 } else if (option.equals("-flatirlibmethods")) {
130 state.FLATIRGRAPH=true;
131 state.FLATIRGRAPHLIBMETHODS=true;
132 } else if (option.equals("-multicore"))
133 state.MULTICORE=true;
134 else if (option.equals("-multicoregc"))
135 state.MULTICOREGC=true;
136 else if (option.equals("-ownership"))
137 state.OWNERSHIP=true;
138 else if (option.equals("-ownallocdepth")) {
139 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
140 } else if (option.equals("-ownwritedots")) {
141 state.OWNERSHIPWRITEDOTS=true;
142 if (args[++i].equals("all")) {
143 state.OWNERSHIPWRITEALL=true;
145 } else if (option.equals("-ownaliasfile")) {
146 state.OWNERSHIPALIASFILE=args[++i];
147 } else if (option.equals("-ownaliasfiletab")) {
148 state.OWNERSHIPALIASFILE=args[++i];
149 state.OWNERSHIPALIASTAB=true;
150 } else if (option.equals("-owndebugcallee")) {
151 state.OWNERSHIPDEBUGCALLEE=args[++i];
152 } else if (option.equals("-owndebugcaller")) {
153 state.OWNERSHIPDEBUGCALLER=args[++i];
154 } else if (option.equals("-owndebugcallcount")) {
155 state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
157 else if (option.equals("-optional"))
159 else if (option.equals("-optimize"))
161 else if (option.equals("-dcopts"))
163 else if (option.equals("-arraypad"))
165 else if (option.equals("-delaycomp"))
166 state.DELAYCOMP=true;
167 else if (option.equals("-raw"))
169 else if (option.equals("-scheduling"))
170 state.SCHEDULING=true;
171 else if (option.equals("-distributioninfo"))
172 isDistributeInfo=true;
173 else if (option.equals("-disall"))
175 else if (option.equals("-disstart"))
176 startnum = Integer.parseInt(args[++i]);
177 else if (option.equals("-useprofile")) {
178 state.USEPROFILE=true;
179 state.profilename = args[++i];
181 else if (option.equals("-thread"))
183 else if (option.equals("-dsm"))
185 else if (option.equals("-dsmtask"))
187 else if (option.equals("-singleTM"))
189 else if (option.equals("-readset"))
191 else if (option.equals("-webinterface"))
192 state.WEBINTERFACE=true;
193 else if (option.equals("-instructionfailures"))
194 state.INSTRUCTIONFAILURE=true;
195 else if (option.equals("-abcclose"))
196 state.ARRAYBOUNDARYCHECK=false;
198 else if (option.equals("-mlp")) {
200 state.OWNERSHIP = true;
201 state.MLP_NUMCORES = Integer.parseInt( args[++i] );
202 state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
204 } else if (option.equals("-mlpdebug")) {
207 } else if (option.equals("-methodeffects")) {
208 state.METHODEFFECTS=true;
209 }else if (option.equals("-help")) {
210 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
211 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
212 System.out.println("-dir outputdirectory -- output code in outputdirectory");
213 System.out.println("-struct structfile -- output structure declarations for repair tool");
214 System.out.println("-mainclass -- main function to call");
215 System.out.println("-dsm -- distributed shared memory support");
216 System.out.println("-singleTM -- single machine committing transactions");
217 System.out.println("-abortreaders -- abort readers");
218 System.out.println("-precise -- use precise garbage collection");
219 System.out.println("-conscheck -- turn on consistency checking");
220 System.out.println("-task -- compiler for tasks");
221 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
222 System.out.println("-thread -- threads");
223 System.out.println("-trueprob <d> -- probability of true branch");
224 System.out.println("-printflat -- print out flat representation");
225 System.out.println("-instructionfailures -- insert code for instruction level failures");
226 System.out.println("-taskstate -- do task state analysis");
227 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
228 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
229 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
230 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
231 System.out.println("-ownership -- do ownership analysis");
232 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
233 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
234 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
235 System.out.println("-optimize -- enable optimizations");
236 System.out.println("-optional -- enable optional arguments");
237 System.out.println("-abcclose close the array boundary check");
238 System.out.println("-scheduling do task scheduling");
239 System.out.println("-mlp <num cores> <max sese age> build mlp code");
240 System.out.println("-mlpdebug if mlp, report progress and interim results");
241 System.out.println("-multicore generate multi-core version binary");
242 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
243 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
244 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
245 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
246 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
247 System.out.println("-threadsimulate generate multi-thread simulate version binary");
248 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");
249 System.out.println("-printscheduling -- print out scheduling graphs");
250 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
251 System.out.println("-webinterface -- enable web interface");
252 System.out.println("-help -- print out help");
255 sourcefiles.add(args[i]);
259 //add default classpath
260 if (state.classpath.size()==1)
261 state.classpath.add(ClassLibraryPrefix);
263 BuildIR bir=new BuildIR(state);
264 TypeUtil tu=new TypeUtil(state, bir);
267 SemanticCheck sc=new SemanticCheck(state,tu);
269 for(int i=0;i<sourcefiles.size();i++)
270 loadClass(state, bir,(String)sourcefiles.get(i));
272 //Stuff the runtime wants to see
273 sc.getClass("String");
276 sc.getClass("Socket");
277 sc.getClass("ServerSocket");
278 sc.getClass("FileInputStream");
279 sc.getClass("FileOutputStream");
281 sc.getClass("TagDescriptor");
283 if (state.THREAD||state.DSM||state.SINGLETM) {
284 sc.getClass("Thread");
289 tu.createFullTable();
291 BuildFlat bf=new BuildFlat(state,tu);
293 SafetyAnalysis sa=null;
294 PrefetchAnalysis pa=null;
295 MLPAnalysis mlpa=null;
296 if (state.INLINEATOMIC) {
297 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
298 while(classit.hasNext()) {
299 ClassDescriptor cn=(ClassDescriptor)classit.next();
300 Iterator methodit=cn.getMethods();
301 while(methodit.hasNext()) {
303 MethodDescriptor md=(MethodDescriptor)methodit.next();
304 FlatMethod fm=state.getMethodFlat(md);
305 Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
311 if (state.OPTIMIZE) {
312 CallGraph callgraph=new CallGraph(state);
313 CopyPropagation cp=new CopyPropagation();
314 DeadCode dc=new DeadCode();
315 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
316 CSE cse=new CSE(gft, tu);
317 localCSE lcse=new localCSE(gft, tu);
318 LoopOptimize lo=new LoopOptimize(gft, tu);
319 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
320 while(classit.hasNext()) {
321 ClassDescriptor cn=(ClassDescriptor)classit.next();
322 Iterator methodit=cn.getMethods();
323 while(methodit.hasNext()) {
324 /* Classify parameters */
325 MethodDescriptor md=(MethodDescriptor)methodit.next();
326 FlatMethod fm=state.getMethodFlat(md);
342 if (state.FLATIRGRAPH) {
343 FlatIRGraph firg = new FlatIRGraph(state,
344 state.FLATIRGRAPHTASKS,
345 state.FLATIRGRAPHUSERMETHODS,
346 state.FLATIRGRAPHLIBMETHODS);
349 if (state.OWNERSHIP && !state.MLP) {
350 CallGraph callGraph = new CallGraph(state);
351 Liveness liveness = new Liveness();
352 OwnershipAnalysis oa = new OwnershipAnalysis(state,
356 state.OWNERSHIPALLOCDEPTH,
357 state.OWNERSHIPWRITEDOTS,
358 state.OWNERSHIPWRITEALL,
359 state.OWNERSHIPALIASFILE,
360 state.METHODEFFECTS);
364 CallGraph callGraph = new CallGraph(state);
365 Liveness liveness = new Liveness();
366 OwnershipAnalysis oa = new OwnershipAnalysis(state,
370 state.OWNERSHIPALLOCDEPTH,
371 state.OWNERSHIPWRITEDOTS,
372 state.OWNERSHIPWRITEALL,
373 state.OWNERSHIPALIASFILE,
374 state.METHODEFFECTS);
375 mlpa = new MLPAnalysis(state,
381 if (state.TAGSTATE) {
382 CallGraph callgraph=new CallGraph(state);
383 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
384 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
387 if (state.TASKSTATE) {
388 CallGraph callgraph=new CallGraph(state);
389 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
390 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
392 TaskGraph tg=new TaskGraph(state, ta);
395 if (state.OPTIONAL) {
396 ExecutionGraph et=new ExecutionGraph(state, ta);
397 et.createExecutionGraph();
398 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
400 state.storeAnalysisResult(sa.getResult());
401 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
404 if (state.WEBINTERFACE) {
405 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
406 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
407 JhttpServer serve=new JhttpServer(8000,wi);
411 if (state.SCHEDULING) {
412 // Use ownership analysis to get alias information
413 CallGraph callGraph = new CallGraph(state);
414 Liveness liveness = new Liveness();
415 OwnershipAnalysis oa = new OwnershipAnalysis(state,
419 state.OWNERSHIPALLOCDEPTH,
420 state.OWNERSHIPWRITEDOTS,
421 state.OWNERSHIPWRITEALL,
422 state.OWNERSHIPALIASFILE);
424 // synthesis a layout according to target multicore processor
425 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
428 if(isDistributeInfo) {
429 mcImplSynthesis.distribution(isDisAll, startnum);
431 //double timeStartAnalysis = (double) System.nanoTime();
432 mcImplSynthesis.setScheduleThreshold(20);
433 mcImplSynthesis.setProbThreshold(0);
434 mcImplSynthesis.setGenerateThreshold(30);
435 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
437 //double timeEndAnalysis = (double) System.nanoTime();
438 //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
439 //System.err.println("The analysis took" + dt + "sec.");
442 // generate multicore codes
443 if(state.MULTICORE) {
444 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
449 mcImplSynthesis.getCoreNum(),
451 bcm.setOwnershipAnalysis(oa);
459 if(!state.MULTICORE) {
460 if (state.DSM||state.SINGLETM) {
461 CallGraph callgraph=new CallGraph(state);
462 if (state.PREFETCH) {
463 //speed up prefetch generation using locality analysis results
464 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
465 pa=new PrefetchAnalysis(state, callgraph, tu, la);
467 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
468 GenerateConversions gc=new GenerateConversions(la, state);
469 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
472 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
477 System.out.println("Lines="+state.lines);
481 public static void loadClass(State state, BuildIR bir, String sourcefile) {
482 ParseNode pn=readSourceFile(state, sourcefile);
483 bir.buildtree(pn, null);
486 /** Reads in a source file and adds the parse tree to the state object. */
488 public static ParseNode readSourceFile(State state, String sourcefile) {
490 Reader fr= new BufferedReader(new FileReader(sourcefile));
491 Lex.Lexer l = new Lex.Lexer(fr);
492 java_cup.runtime.lr_parser g;
493 g = new Parse.Parser(l);
496 p=(ParseNode) g./*debug_*/parse().value;
497 } catch (Exception e) {
498 System.err.println("Error parsing file:"+sourcefile);
502 state.addParseNode(p);
503 if (l.numErrors()!=0) {
504 System.out.println("Error parsing "+sourcefile);
505 System.exit(l.numErrors());
507 state.lines+=l.line_num;
510 } catch (Exception e) {