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("-dualview"))
125 else if (option.equals("-flatirtasks")) {
126 state.FLATIRGRAPH=true;
127 state.FLATIRGRAPHTASKS=true;
128 } else if (option.equals("-flatirusermethods")) {
129 state.FLATIRGRAPH=true;
130 state.FLATIRGRAPHUSERMETHODS=true;
131 } else if (option.equals("-flatirlibmethods")) {
132 state.FLATIRGRAPH=true;
133 state.FLATIRGRAPHLIBMETHODS=true;
134 } else if (option.equals("-multicore"))
135 state.MULTICORE=true;
136 else if (option.equals("-multicoregc"))
137 state.MULTICOREGC=true;
138 else if (option.equals("-ownership"))
139 state.OWNERSHIP=true;
140 else if (option.equals("-ownallocdepth")) {
141 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
142 } else if (option.equals("-ownwritedots")) {
143 state.OWNERSHIPWRITEDOTS=true;
144 if (args[++i].equals("all")) {
145 state.OWNERSHIPWRITEALL=true;
147 } else if (option.equals("-ownaliasfile")) {
148 state.OWNERSHIPALIASFILE=args[++i];
149 } else if (option.equals("-ownaliasfiletab")) {
150 state.OWNERSHIPALIASFILE=args[++i];
151 state.OWNERSHIPALIASTAB=true;
152 } else if (option.equals("-owndebugcallee")) {
153 state.OWNERSHIPDEBUGCALLEE=args[++i];
154 } else if (option.equals("-owndebugcaller")) {
155 state.OWNERSHIPDEBUGCALLER=args[++i];
156 } else if (option.equals("-owndebugcallcount")) {
157 state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
159 else if (option.equals("-optional"))
161 else if (option.equals("-optimize"))
163 else if (option.equals("-dcopts"))
165 else if (option.equals("-arraypad"))
167 else if (option.equals("-delaycomp"))
168 state.DELAYCOMP=true;
169 else if (option.equals("-raw"))
171 else if (option.equals("-scheduling"))
172 state.SCHEDULING=true;
173 else if (option.equals("-distributioninfo"))
174 isDistributeInfo=true;
175 else if (option.equals("-disall"))
177 else if (option.equals("-disstart"))
178 startnum = Integer.parseInt(args[++i]);
179 else if (option.equals("-useprofile")) {
180 state.USEPROFILE=true;
181 state.profilename = args[++i];
183 else if (option.equals("-thread"))
185 else if (option.equals("-dsm"))
187 else if (option.equals("-dsmtask"))
189 else if (option.equals("-singleTM"))
191 else if (option.equals("-readset"))
193 else if (option.equals("-webinterface"))
194 state.WEBINTERFACE=true;
195 else if (option.equals("-instructionfailures"))
196 state.INSTRUCTIONFAILURE=true;
197 else if (option.equals("-abcclose"))
198 state.ARRAYBOUNDARYCHECK=false;
200 else if (option.equals("-mlp")) {
202 state.OWNERSHIP = true;
203 state.MLP_NUMCORES = Integer.parseInt( args[++i] );
204 state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
206 } else if (option.equals("-mlpdebug")) {
209 } else if (option.equals("-methodeffects")) {
210 state.METHODEFFECTS=true;
211 }else if (option.equals("-help")) {
212 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
213 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
214 System.out.println("-dir outputdirectory -- output code in outputdirectory");
215 System.out.println("-struct structfile -- output structure declarations for repair tool");
216 System.out.println("-mainclass -- main function to call");
217 System.out.println("-dsm -- distributed shared memory support");
218 System.out.println("-singleTM -- single machine committing transactions");
219 System.out.println("-abortreaders -- abort readers");
220 System.out.println("-precise -- use precise garbage collection");
221 System.out.println("-conscheck -- turn on consistency checking");
222 System.out.println("-task -- compiler for tasks");
223 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
224 System.out.println("-thread -- threads");
225 System.out.println("-trueprob <d> -- probability of true branch");
226 System.out.println("-printflat -- print out flat representation");
227 System.out.println("-instructionfailures -- insert code for instruction level failures");
228 System.out.println("-taskstate -- do task state analysis");
229 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
230 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
231 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
232 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
233 System.out.println("-ownership -- do ownership analysis");
234 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
235 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
236 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
237 System.out.println("-optimize -- enable optimizations");
238 System.out.println("-optional -- enable optional arguments");
239 System.out.println("-abcclose close the array boundary check");
240 System.out.println("-scheduling do task scheduling");
241 System.out.println("-mlp <num cores> <max sese age> build mlp code");
242 System.out.println("-mlpdebug if mlp, report progress and interim results");
243 System.out.println("-multicore generate multi-core version binary");
244 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
245 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
246 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
247 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
248 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
249 System.out.println("-threadsimulate generate multi-thread simulate version binary");
250 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");
251 System.out.println("-printscheduling -- print out scheduling graphs");
252 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
253 System.out.println("-webinterface -- enable web interface");
254 System.out.println("-help -- print out help");
257 sourcefiles.add(args[i]);
261 //add default classpath
262 if (state.classpath.size()==1)
263 state.classpath.add(ClassLibraryPrefix);
265 BuildIR bir=new BuildIR(state);
266 TypeUtil tu=new TypeUtil(state, bir);
269 SemanticCheck sc=new SemanticCheck(state,tu);
271 for(int i=0;i<sourcefiles.size();i++)
272 loadClass(state, bir,(String)sourcefiles.get(i));
274 //Stuff the runtime wants to see
275 sc.getClass("String");
278 sc.getClass("Socket");
279 sc.getClass("ServerSocket");
280 sc.getClass("FileInputStream");
281 sc.getClass("FileOutputStream");
283 sc.getClass("TagDescriptor");
285 if (state.THREAD||state.DSM||state.SINGLETM) {
286 sc.getClass("Thread");
291 tu.createFullTable();
293 BuildFlat bf=new BuildFlat(state,tu);
295 SafetyAnalysis sa=null;
296 PrefetchAnalysis pa=null;
297 MLPAnalysis mlpa=null;
298 if (state.INLINEATOMIC) {
299 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
300 while(classit.hasNext()) {
301 ClassDescriptor cn=(ClassDescriptor)classit.next();
302 Iterator methodit=cn.getMethods();
303 while(methodit.hasNext()) {
305 MethodDescriptor md=(MethodDescriptor)methodit.next();
306 FlatMethod fm=state.getMethodFlat(md);
307 Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
313 if (state.OPTIMIZE) {
314 CallGraph callgraph=new CallGraph(state);
315 CopyPropagation cp=new CopyPropagation();
316 DeadCode dc=new DeadCode();
317 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
318 CSE cse=new CSE(gft, tu);
319 localCSE lcse=new localCSE(gft, tu);
320 LoopOptimize lo=new LoopOptimize(gft, tu);
321 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
322 while(classit.hasNext()) {
323 ClassDescriptor cn=(ClassDescriptor)classit.next();
324 Iterator methodit=cn.getMethods();
325 while(methodit.hasNext()) {
326 /* Classify parameters */
327 MethodDescriptor md=(MethodDescriptor)methodit.next();
328 FlatMethod fm=state.getMethodFlat(md);
344 if (state.FLATIRGRAPH) {
345 FlatIRGraph firg = new FlatIRGraph(state,
346 state.FLATIRGRAPHTASKS,
347 state.FLATIRGRAPHUSERMETHODS,
348 state.FLATIRGRAPHLIBMETHODS);
351 if (state.OWNERSHIP && !state.MLP) {
352 CallGraph callGraph = new CallGraph(state);
353 Liveness liveness = new Liveness();
354 OwnershipAnalysis oa = new OwnershipAnalysis(state,
358 state.OWNERSHIPALLOCDEPTH,
359 state.OWNERSHIPWRITEDOTS,
360 state.OWNERSHIPWRITEALL,
361 state.OWNERSHIPALIASFILE,
362 state.METHODEFFECTS);
366 CallGraph callGraph = new CallGraph(state);
367 Liveness liveness = new Liveness();
368 OwnershipAnalysis oa = new OwnershipAnalysis(state,
372 state.OWNERSHIPALLOCDEPTH,
373 state.OWNERSHIPWRITEDOTS,
374 state.OWNERSHIPWRITEALL,
375 state.OWNERSHIPALIASFILE,
376 state.METHODEFFECTS);
377 mlpa = new MLPAnalysis(state,
383 if (state.TAGSTATE) {
384 CallGraph callgraph=new CallGraph(state);
385 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
386 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
389 if (state.TASKSTATE) {
390 CallGraph callgraph=new CallGraph(state);
391 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
392 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
394 TaskGraph tg=new TaskGraph(state, ta);
397 if (state.OPTIONAL) {
398 ExecutionGraph et=new ExecutionGraph(state, ta);
399 et.createExecutionGraph();
400 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
402 state.storeAnalysisResult(sa.getResult());
403 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
406 if (state.WEBINTERFACE) {
407 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
408 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
409 JhttpServer serve=new JhttpServer(8000,wi);
413 if (state.SCHEDULING) {
414 // Use ownership analysis to get alias information
415 CallGraph callGraph = new CallGraph(state);
416 Liveness liveness = new Liveness();
417 OwnershipAnalysis oa = new OwnershipAnalysis(state,
421 state.OWNERSHIPALLOCDEPTH,
422 state.OWNERSHIPWRITEDOTS,
423 state.OWNERSHIPWRITEALL,
424 state.OWNERSHIPALIASFILE);
426 // synthesis a layout according to target multicore processor
427 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
430 if(isDistributeInfo) {
431 mcImplSynthesis.distribution(isDisAll, startnum);
433 //double timeStartAnalysis = (double) System.nanoTime();
434 mcImplSynthesis.setScheduleThreshold(20);
435 mcImplSynthesis.setProbThreshold(0);
436 mcImplSynthesis.setGenerateThreshold(30);
437 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
439 //double timeEndAnalysis = (double) System.nanoTime();
440 //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
441 //System.err.println("The analysis took" + dt + "sec.");
444 // generate multicore codes
445 if(state.MULTICORE) {
446 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
451 mcImplSynthesis.getCoreNum(),
453 bcm.setOwnershipAnalysis(oa);
461 if(!state.MULTICORE) {
462 if (state.DSM||state.SINGLETM) {
463 CallGraph callgraph=new CallGraph(state);
464 if (state.PREFETCH) {
465 //speed up prefetch generation using locality analysis results
466 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
467 pa=new PrefetchAnalysis(state, callgraph, tu, la);
469 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
470 GenerateConversions gc=new GenerateConversions(la, state);
471 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
474 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
479 System.out.println("Lines="+state.lines);
483 public static void loadClass(State state, BuildIR bir, String sourcefile) {
485 ParseNode pn=readSourceFile(state, sourcefile);
486 bir.buildtree(pn, null);
487 } catch (Exception e) {
488 System.out.println("Error in sourcefile:"+sourcefile);
492 System.out.println("Error in sourcefile:"+sourcefile);
498 /** Reads in a source file and adds the parse tree to the state object. */
500 public static ParseNode readSourceFile(State state, String sourcefile) {
502 Reader fr= new BufferedReader(new FileReader(sourcefile));
503 Lex.Lexer l = new Lex.Lexer(fr);
504 java_cup.runtime.lr_parser g;
505 g = new Parse.Parser(l);
508 p=(ParseNode) g./*debug_*/parse().value;
509 } catch (Exception e) {
510 System.err.println("Error parsing file:"+sourcefile);
514 state.addParseNode(p);
515 if (l.numErrors()!=0) {
516 System.out.println("Error parsing "+sourcefile);
517 System.exit(l.numErrors());
519 state.lines+=l.line_num;
522 } catch (Exception e) {