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 IR.MethodDescriptor;
47 import IR.Flat.FlatMethod;
49 import Util.GraphNode;
50 import Util.GraphNode.DFS;
51 import Util.GraphNode.SCC;
55 /** Main method for the compiler. */
57 public static void main(String args[]) throws Exception {
58 String ClassLibraryPrefix="./ClassLibrary/";
59 State state=new State();
60 Vector sourcefiles=new Vector();
61 state.classpath.add(".");
63 String outputdir = null;
64 boolean isDistributeInfo = false;
65 boolean isDisAll = false;
68 for(int i=0; i<args.length; i++) {
69 String option=args[i];
70 if (option.equals("-precise"))
71 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
72 else if (option.equals("-prefetch"))
74 else if (option.equals("-dir"))
75 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
76 else if (option.equals("-fastcheck"))
78 else if (option.equals("-selfloop"))
79 state.selfloops.add(args[++i]);
80 else if (option.equals("-outputdir"))
81 state.outputdir = args[++i];
82 else if (option.equals("-excprefetch"))
83 state.excprefetch.add(args[++i]);
84 else if (option.equals("-classlibrary"))
85 state.classpath.add(args[++i]);
86 else if (option.equals("-inlineatomic")) {
87 state.INLINEATOMIC=true;
88 state.inlineatomicdepth=Integer.parseInt(args[++i]);
89 } else if(option.equals("-numcore")) {
91 state.CORENUM = Integer.parseInt(args[i]);
92 } else if (option.equals("-mainclass"))
94 else if (option.equals("-trueprob")) {
95 state.TRUEPROB=Double.parseDouble(args[++i]);
96 } else if (option.equals("-printflat"))
98 else if (option.equals("-printscheduling"))
99 State.PRINTSCHEDULING=true;
100 else if (option.equals("-minimize"))
102 else if (option.equals("-printschedulesim"))
103 State.PRINTSCHEDULESIM=true;
104 else if (option.equals("-printcriticalpath"))
105 State.PRINTCRITICALPATH=true;
106 else if (option.equals("-struct"))
107 state.structfile=args[++i];
108 else if (option.equals("-conscheck"))
109 state.CONSCHECK=true;
110 else if (option.equals("-task"))
112 else if (option.equals("-abortreaders"))
113 state.ABORTREADERS=true;
114 else if (option.equals("-taskstate"))
115 state.TASKSTATE=true;
116 else if (option.equals("-tagstate"))
118 else if (option.equals("-flatirtasks")) {
119 state.FLATIRGRAPH=true;
120 state.FLATIRGRAPHTASKS=true;
121 } else if (option.equals("-flatirusermethods")) {
122 state.FLATIRGRAPH=true;
123 state.FLATIRGRAPHUSERMETHODS=true;
124 } else if (option.equals("-flatirlibmethods")) {
125 state.FLATIRGRAPH=true;
126 state.FLATIRGRAPHLIBMETHODS=true;
127 } else if (option.equals("-multicore"))
128 state.MULTICORE=true;
129 else if (option.equals("-ownership"))
130 state.OWNERSHIP=true;
131 else if (option.equals("-ownallocdepth")) {
132 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
133 } else if (option.equals("-ownwritedots")) {
134 state.OWNERSHIPWRITEDOTS=true;
135 if (args[++i].equals("all")) {
136 state.OWNERSHIPWRITEALL=true;
138 } else if (option.equals("-ownaliasfile"))
139 state.OWNERSHIPALIASFILE=args[++i];
140 else if (option.equals("-optional"))
142 else if (option.equals("-optimize"))
144 else if (option.equals("-dcopts"))
146 else if (option.equals("-arraypad"))
148 else if (option.equals("-delaycomp"))
149 state.DELAYCOMP=true;
150 else if (option.equals("-raw"))
152 else if (option.equals("-scheduling"))
153 state.SCHEDULING=true;
154 else if (option.equals("-distributioninfo"))
155 isDistributeInfo=true;
156 else if (option.equals("-disall"))
158 else if (option.equals("-disstart"))
159 startnum = Integer.parseInt(args[++i]);
160 else if (option.equals("-useprofile")) {
161 state.USEPROFILE=true;
162 state.profilename = args[++i];
164 else if (option.equals("-thread"))
166 else if (option.equals("-dsm"))
168 else if (option.equals("-singleTM"))
170 else if (option.equals("-readset"))
172 else if (option.equals("-webinterface"))
173 state.WEBINTERFACE=true;
174 else if (option.equals("-instructionfailures"))
175 state.INSTRUCTIONFAILURE=true;
176 else if (option.equals("-abcclose"))
177 state.ARRAYBOUNDARYCHECK=false;
179 else if (option.equals("-mlp")) {
181 state.OWNERSHIP = true;
182 state.MLP_NUMCORES = Integer.parseInt( args[++i] );
183 state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
185 } else if (option.equals("-mlpdebug")) {
188 } else if (option.equals("-help")) {
189 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
190 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
191 System.out.println("-dir outputdirectory -- output code in outputdirectory");
192 System.out.println("-struct structfile -- output structure declarations for repair tool");
193 System.out.println("-mainclass -- main function to call");
194 System.out.println("-dsm -- distributed shared memory support");
195 System.out.println("-singleTM -- single machine committing transactions");
196 System.out.println("-abortreaders -- abort readers");
197 System.out.println("-precise -- use precise garbage collection");
198 System.out.println("-conscheck -- turn on consistency checking");
199 System.out.println("-task -- compiler for tasks");
200 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
201 System.out.println("-thread -- threads");
202 System.out.println("-trueprob <d> -- probability of true branch");
203 System.out.println("-printflat -- print out flat representation");
204 System.out.println("-instructionfailures -- insert code for instruction level failures");
205 System.out.println("-taskstate -- do task state analysis");
206 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
207 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
208 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
209 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
210 System.out.println("-ownership -- do ownership analysis");
211 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
212 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
213 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
214 System.out.println("-optimize -- enable optimizations");
215 System.out.println("-optional -- enable optional arguments");
216 System.out.println("-abcclose close the array boundary check");
217 System.out.println("-scheduling do task scheduling");
218 System.out.println("-mlp <num cores> <max sese age> build mlp code");
219 System.out.println("-mlpdebug if mlp, report progress and interim results");
220 System.out.println("-multicore generate multi-core version binary");
221 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
222 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
223 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
224 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
225 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
226 System.out.println("-threadsimulate generate multi-thread simulate version binary");
227 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");
228 System.out.println("-printscheduling -- print out scheduling graphs");
229 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
230 System.out.println("-webinterface -- enable web interface");
231 System.out.println("-help -- print out help");
234 sourcefiles.add(args[i]);
238 //add default classpath
239 if (state.classpath.size()==1)
240 state.classpath.add(ClassLibraryPrefix);
242 BuildIR bir=new BuildIR(state);
243 TypeUtil tu=new TypeUtil(state, bir);
246 SemanticCheck sc=new SemanticCheck(state,tu);
248 for(int i=0;i<sourcefiles.size();i++)
249 loadClass(state, bir,(String)sourcefiles.get(i));
251 //Stuff the runtime wants to see
252 sc.getClass("String");
255 sc.getClass("Socket");
256 sc.getClass("ServerSocket");
257 sc.getClass("FileInputStream");
258 sc.getClass("FileOutputStream");
260 sc.getClass("TagDescriptor");
262 if (state.THREAD||state.DSM||state.SINGLETM) {
263 sc.getClass("Thread");
268 tu.createFullTable();
270 BuildFlat bf=new BuildFlat(state,tu);
272 SafetyAnalysis sa=null;
273 PrefetchAnalysis pa=null;
274 MLPAnalysis mlpa=null;
275 if (state.INLINEATOMIC) {
276 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
277 while(classit.hasNext()) {
278 ClassDescriptor cn=(ClassDescriptor)classit.next();
279 Iterator methodit=cn.getMethods();
280 while(methodit.hasNext()) {
282 MethodDescriptor md=(MethodDescriptor)methodit.next();
283 FlatMethod fm=state.getMethodFlat(md);
284 Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
290 if (state.OPTIMIZE) {
291 CallGraph callgraph=new CallGraph(state);
292 CopyPropagation cp=new CopyPropagation();
293 DeadCode dc=new DeadCode();
294 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
295 CSE cse=new CSE(gft, tu);
296 localCSE lcse=new localCSE(gft, tu);
297 LoopOptimize lo=new LoopOptimize(gft, tu);
298 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
299 while(classit.hasNext()) {
300 ClassDescriptor cn=(ClassDescriptor)classit.next();
301 Iterator methodit=cn.getMethods();
302 while(methodit.hasNext()) {
303 /* Classify parameters */
304 MethodDescriptor md=(MethodDescriptor)methodit.next();
305 FlatMethod fm=state.getMethodFlat(md);
321 if (state.FLATIRGRAPH) {
322 FlatIRGraph firg = new FlatIRGraph(state,
323 state.FLATIRGRAPHTASKS,
324 state.FLATIRGRAPHUSERMETHODS,
325 state.FLATIRGRAPHLIBMETHODS);
328 if (state.OWNERSHIP && !state.MLP) {
329 CallGraph callGraph = new CallGraph(state);
330 OwnershipAnalysis oa = new OwnershipAnalysis(state,
333 state.OWNERSHIPALLOCDEPTH,
334 state.OWNERSHIPWRITEDOTS,
335 state.OWNERSHIPWRITEALL,
336 state.OWNERSHIPALIASFILE);
340 CallGraph callGraph = new CallGraph(state);
341 OwnershipAnalysis oa = new OwnershipAnalysis(state,
344 state.OWNERSHIPALLOCDEPTH,
345 state.OWNERSHIPWRITEDOTS,
346 state.OWNERSHIPWRITEALL,
347 state.OWNERSHIPALIASFILE);
348 mlpa = new MLPAnalysis(state,
354 if (state.TAGSTATE) {
355 CallGraph callgraph=new CallGraph(state);
356 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
357 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
360 if (state.TASKSTATE) {
361 CallGraph callgraph=new CallGraph(state);
362 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
363 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
365 TaskGraph tg=new TaskGraph(state, ta);
368 if (state.OPTIONAL) {
369 ExecutionGraph et=new ExecutionGraph(state, ta);
370 et.createExecutionGraph();
371 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
373 state.storeAnalysisResult(sa.getResult());
374 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
377 if (state.WEBINTERFACE) {
378 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
379 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
380 JhttpServer serve=new JhttpServer(8000,wi);
384 if (state.SCHEDULING) {
385 // Use ownership analysis to get alias information
386 CallGraph callGraph = new CallGraph(state);
387 OwnershipAnalysis oa = new OwnershipAnalysis(state,
390 state.OWNERSHIPALLOCDEPTH,
391 state.OWNERSHIPWRITEDOTS,
392 state.OWNERSHIPWRITEALL,
393 state.OWNERSHIPALIASFILE);
395 // synthesis a layout according to target multicore processor
396 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
399 if(isDistributeInfo) {
400 mcImplSynthesis.distribution(isDisAll, startnum);
402 double timeStartAnalysis = (double) System.nanoTime();
403 mcImplSynthesis.setScheduleThreshold(20);
404 mcImplSynthesis.setProbThreshold(0);
405 mcImplSynthesis.setGenerateThreshold(30);
406 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
408 double timeEndAnalysis = (double) System.nanoTime();
409 double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
410 System.err.println("The analysis took" + dt + "sec.");
413 // generate multicore codes
414 if(state.MULTICORE) {
415 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
420 mcImplSynthesis.getCoreNum(),
422 bcm.setOwnershipAnalysis(oa);
430 if(!state.MULTICORE) {
431 if (state.DSM||state.SINGLETM) {
432 CallGraph callgraph=new CallGraph(state);
433 if (state.PREFETCH) {
434 //speed up prefetch generation using locality analysis results
435 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
436 pa=new PrefetchAnalysis(state, callgraph, tu, la);
438 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
439 GenerateConversions gc=new GenerateConversions(la, state);
440 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
443 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
448 System.out.println("Lines="+state.lines);
452 public static void loadClass(State state, BuildIR bir, String sourcefile) {
453 ParseNode pn=readSourceFile(state, sourcefile);
454 bir.buildtree(pn, null);
457 /** Reads in a source file and adds the parse tree to the state object. */
459 public static ParseNode readSourceFile(State state, String sourcefile) {
461 Reader fr= new BufferedReader(new FileReader(sourcefile));
462 Lex.Lexer l = new Lex.Lexer(fr);
463 java_cup.runtime.lr_parser g;
464 g = new Parse.Parser(l);
467 p=(ParseNode) g./*debug_*/parse().value;
468 } catch (Exception e) {
469 System.err.println("Error parsing file:"+sourcefile);
473 state.addParseNode(p);
474 if (l.numErrors()!=0) {
475 System.out.println("Error parsing "+sourcefile);
476 System.exit(l.numErrors());
478 state.lines+=l.line_num;
481 } catch (Exception e) {