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.MCImplSynthesis;
25 import Analysis.Scheduling.Schedule;
26 import Analysis.Scheduling.ScheduleAnalysis;
27 import Analysis.Scheduling.ScheduleSimulator;
28 import Analysis.TaskStateAnalysis.TaskAnalysis;
29 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
30 import Analysis.TaskStateAnalysis.TaskGraph;
31 import Analysis.CallGraph.CallGraph;
32 import Analysis.TaskStateAnalysis.FEdge;
33 import Analysis.TaskStateAnalysis.FlagState;
34 import Analysis.TaskStateAnalysis.TagAnalysis;
35 import Analysis.TaskStateAnalysis.GarbageAnalysis;
36 import Analysis.TaskStateAnalysis.ExecutionGraph;
37 import Analysis.TaskStateAnalysis.SafetyAnalysis;
38 import Analysis.Locality.LocalityAnalysis;
39 import Analysis.Locality.GenerateConversions;
40 import Analysis.Prefetch.PrefetchAnalysis;
41 import Analysis.FlatIRGraph.FlatIRGraph;
42 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
43 import Analysis.MLP.MLPAnalysis;
44 import Analysis.Loops.*;
45 import IR.MethodDescriptor;
46 import IR.Flat.FlatMethod;
48 import Util.GraphNode;
49 import Util.GraphNode.DFS;
50 import Util.GraphNode.SCC;
54 /** Main method for the compiler. */
56 public static void main(String args[]) throws Exception {
57 String ClassLibraryPrefix="./ClassLibrary/";
58 State state=new State();
59 Vector sourcefiles=new Vector();
60 state.classpath.add(".");
62 String outputdir = null;
63 boolean isDistributeInfo = false;
65 for(int i=0; i<args.length; i++) {
66 String option=args[i];
67 if (option.equals("-precise"))
68 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
69 else if (option.equals("-prefetch"))
71 else if (option.equals("-dir"))
72 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
73 else if (option.equals("-fastcheck"))
75 else if (option.equals("-selfloop"))
76 state.selfloops.add(args[++i]);
77 else if (option.equals("-outputdir"))
78 state.outputdir = args[++i];
79 else if (option.equals("-excprefetch"))
80 state.excprefetch.add(args[++i]);
81 else if (option.equals("-classlibrary"))
82 state.classpath.add(args[++i]);
83 else if(option.equals("-numcore")) {
85 state.CORENUM = Integer.parseInt(args[i]);
86 } else if (option.equals("-mainclass"))
88 else if (option.equals("-trueprob")) {
89 state.TRUEPROB=Double.parseDouble(args[++i]);
90 } else if (option.equals("-printflat"))
92 else if (option.equals("-printscheduling"))
93 State.PRINTSCHEDULING=true;
94 else if (option.equals("-printschedulesim"))
95 State.PRINTSCHEDULESIM=true;
96 else if (option.equals("-printcriticalpath"))
97 State.PRINTCRITICALPATH=true;
98 else if (option.equals("-struct"))
99 state.structfile=args[++i];
100 else if (option.equals("-conscheck"))
101 state.CONSCHECK=true;
102 else if (option.equals("-task"))
104 else if (option.equals("-abortreaders"))
105 state.ABORTREADERS=true;
106 else if (option.equals("-taskstate"))
107 state.TASKSTATE=true;
108 else if (option.equals("-tagstate"))
110 else if (option.equals("-flatirtasks")) {
111 state.FLATIRGRAPH=true;
112 state.FLATIRGRAPHTASKS=true;
113 } else if (option.equals("-flatirusermethods")) {
114 state.FLATIRGRAPH=true;
115 state.FLATIRGRAPHUSERMETHODS=true;
116 } else if (option.equals("-flatirlibmethods")) {
117 state.FLATIRGRAPH=true;
118 state.FLATIRGRAPHLIBMETHODS=true;
119 } else if (option.equals("-multicore"))
120 state.MULTICORE=true;
121 else if (option.equals("-ownership"))
122 state.OWNERSHIP=true;
123 else if (option.equals("-ownallocdepth")) {
124 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
125 } else if (option.equals("-ownwritedots")) {
126 state.OWNERSHIPWRITEDOTS=true;
127 if (args[++i].equals("all")) {
128 state.OWNERSHIPWRITEALL=true;
130 } else if (option.equals("-ownaliasfile"))
131 state.OWNERSHIPALIASFILE=args[++i];
132 else if (option.equals("-optional"))
134 else if (option.equals("-optimize"))
136 else if (option.equals("-dcopts"))
138 else if (option.equals("-delaycomp"))
139 state.DELAYCOMP=true;
140 else if (option.equals("-raw"))
142 else if (option.equals("-scheduling"))
143 state.SCHEDULING=true;
144 else if (option.equals("-distributioninfo"))
145 isDistributeInfo=true;
146 else if (option.equals("-useprofile"))
147 state.USEPROFILE=true;
148 else if (option.equals("-thread"))
150 else if (option.equals("-dsm"))
152 else if (option.equals("-singleTM"))
154 else if (option.equals("-webinterface"))
155 state.WEBINTERFACE=true;
156 else if (option.equals("-instructionfailures"))
157 state.INSTRUCTIONFAILURE=true;
158 else if (option.equals("-abcclose"))
159 state.ARRAYBOUNDARYCHECK=false;
160 else if (option.equals("-mlp")) {
162 state.OWNERSHIP=true;
163 } else if (option.equals("-mlpdebug")) {
166 state.OWNERSHIP=true;
167 } else if (option.equals("-help")) {
168 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
169 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
170 System.out.println("-dir outputdirectory -- output code in outputdirectory");
171 System.out.println("-struct structfile -- output structure declarations for repair tool");
172 System.out.println("-mainclass -- main function to call");
173 System.out.println("-dsm -- distributed shared memory support");
174 System.out.println("-singleTM -- single machine committing transactions");
175 System.out.println("-abortreaders -- abort readers");
176 System.out.println("-precise -- use precise garbage collection");
177 System.out.println("-conscheck -- turn on consistency checking");
178 System.out.println("-task -- compiler for tasks");
179 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
180 System.out.println("-thread -- threads");
181 System.out.println("-trueprob <d> -- probability of true branch");
182 System.out.println("-printflat -- print out flat representation");
183 System.out.println("-instructionfailures -- insert code for instruction level failures");
184 System.out.println("-taskstate -- do task state analysis");
185 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
186 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
187 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
188 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
189 System.out.println("-ownership -- do ownership analysis");
190 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
191 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
192 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
193 System.out.println("-optimize -- enable optimizations");
194 System.out.println("-optional -- enable optional arguments");
195 System.out.println("-abcclose close the array boundary check");
196 System.out.println("-scheduling do task scheduling");
197 System.out.println("-mlp build mlp code");
198 System.out.println("-mlp build mlp code, report progress and interim results");
199 System.out.println("-multicore generate multi-core version binary");
200 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
201 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
202 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
203 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
204 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
205 System.out.println("-threadsimulate generate multi-thread simulate version binary");
206 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");
207 System.out.println("-printscheduling -- print out scheduling graphs");
208 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
209 System.out.println("-webinterface -- enable web interface");
210 System.out.println("-help -- print out help");
213 sourcefiles.add(args[i]);
217 //add default classpath
218 if (state.classpath.size()==1)
219 state.classpath.add(ClassLibraryPrefix);
221 BuildIR bir=new BuildIR(state);
222 TypeUtil tu=new TypeUtil(state, bir);
225 SemanticCheck sc=new SemanticCheck(state,tu);
227 for(int i=0;i<sourcefiles.size();i++)
228 loadClass(state, bir,(String)sourcefiles.get(i));
230 //Stuff the runtime wants to see
231 sc.getClass("String");
234 sc.getClass("Socket");
235 sc.getClass("ServerSocket");
236 sc.getClass("FileInputStream");
237 sc.getClass("FileOutputStream");
239 sc.getClass("TagDescriptor");
241 if (state.THREAD||state.DSM||state.SINGLETM) {
242 sc.getClass("Thread");
247 tu.createFullTable();
249 BuildFlat bf=new BuildFlat(state,tu);
251 SafetyAnalysis sa=null;
252 PrefetchAnalysis pa=null;
253 MLPAnalysis mlpa=null;
255 if (state.OPTIMIZE) {
256 CallGraph callgraph=new CallGraph(state);
257 CopyPropagation cp=new CopyPropagation();
258 DeadCode dc=new DeadCode();
259 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
260 CSE cse=new CSE(gft, tu);
261 localCSE lcse=new localCSE(gft, tu);
262 LoopOptimize lo=new LoopOptimize(gft, tu);
263 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
264 while(classit.hasNext()) {
265 ClassDescriptor cn=(ClassDescriptor)classit.next();
266 Iterator methodit=cn.getMethods();
267 while(methodit.hasNext()) {
268 /* Classify parameters */
269 MethodDescriptor md=(MethodDescriptor)methodit.next();
270 FlatMethod fm=state.getMethodFlat(md);
282 if (state.FLATIRGRAPH) {
283 FlatIRGraph firg = new FlatIRGraph(state,
284 state.FLATIRGRAPHTASKS,
285 state.FLATIRGRAPHUSERMETHODS,
286 state.FLATIRGRAPHLIBMETHODS);
289 if (state.OWNERSHIP && !state.MLP) {
290 CallGraph callGraph = new CallGraph(state);
291 OwnershipAnalysis oa = new OwnershipAnalysis(state,
294 state.OWNERSHIPALLOCDEPTH,
295 state.OWNERSHIPWRITEDOTS,
296 state.OWNERSHIPWRITEALL,
297 state.OWNERSHIPALIASFILE);
301 CallGraph callGraph = new CallGraph(state);
302 OwnershipAnalysis oa = new OwnershipAnalysis(state,
305 state.OWNERSHIPALLOCDEPTH,
306 state.OWNERSHIPWRITEDOTS,
307 state.OWNERSHIPWRITEALL,
308 state.OWNERSHIPALIASFILE);
309 mlpa = new MLPAnalysis(state,
315 if (state.TAGSTATE) {
316 CallGraph callgraph=new CallGraph(state);
317 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
318 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
321 if (state.TASKSTATE) {
322 CallGraph callgraph=new CallGraph(state);
323 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
324 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
326 TaskGraph tg=new TaskGraph(state, ta);
329 if (state.OPTIONAL) {
330 ExecutionGraph et=new ExecutionGraph(state, ta);
331 et.createExecutionGraph();
332 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
334 state.storeAnalysisResult(sa.getResult());
335 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
338 if (state.WEBINTERFACE) {
339 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
340 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
341 JhttpServer serve=new JhttpServer(8000,wi);
345 if (state.SCHEDULING) {
346 // Use ownership analysis to get alias information
347 CallGraph callGraph = new CallGraph(state);
348 OwnershipAnalysis oa = new OwnershipAnalysis(state,
351 state.OWNERSHIPALLOCDEPTH,
352 state.OWNERSHIPWRITEDOTS,
353 state.OWNERSHIPWRITEALL,
354 state.OWNERSHIPALIASFILE);
356 // synthesis a layout according to target multicore processor
357 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
360 if(isDistributeInfo) {
361 mcImplSynthesis.distribution();
363 //double timeStartAnalysis = (double) System.nanoTime();
364 mcImplSynthesis.setScheduleThreshold(20);
365 mcImplSynthesis.setProbThreshold(0);
366 mcImplSynthesis.setGenerateThreshold(30);
367 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
369 //double timeEndAnalysis = (double) System.nanoTime();
370 //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
371 //System.err.println("The analysis took" + dt + "sec.");
373 // generate multicore codes
374 if(state.MULTICORE) {
375 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
380 mcImplSynthesis.getCoreNum(),
382 bcm.setOwnershipAnalysis(oa);
390 if(!state.MULTICORE) {
391 if (state.DSM||state.SINGLETM) {
392 CallGraph callgraph=new CallGraph(state);
393 if (state.PREFETCH) {
394 //speed up prefetch generation using locality analysis results
395 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
396 pa=new PrefetchAnalysis(state, callgraph, tu, la);
398 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
399 GenerateConversions gc=new GenerateConversions(la, state);
400 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
403 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
408 System.out.println("Lines="+state.lines);
412 public static void loadClass(State state, BuildIR bir, String sourcefile) {
413 ParseNode pn=readSourceFile(state, sourcefile);
414 bir.buildtree(pn, null);
417 /** Reads in a source file and adds the parse tree to the state object. */
419 public static ParseNode readSourceFile(State state, String sourcefile) {
421 Reader fr= new BufferedReader(new FileReader(sourcefile));
422 Lex.Lexer l = new Lex.Lexer(fr);
423 java_cup.runtime.lr_parser g;
424 g = new Parse.Parser(l);
427 p=(ParseNode) g./*debug_*/parse().value;
428 } catch (Exception e) {
429 System.err.println("Error parsing file:"+sourcefile);
433 state.addParseNode(p);
434 if (l.numErrors()!=0) {
435 System.out.println("Error parsing "+sourcefile);
436 System.exit(l.numErrors());
438 state.lines+=l.line_num;
441 } catch (Exception e) {