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("-raw"))
140 else if (option.equals("-scheduling"))
141 state.SCHEDULING=true;
142 else if (option.equals("-distributioninfo"))
143 isDistributeInfo=true;
144 else if (option.equals("-useprofile"))
145 state.USEPROFILE=true;
146 else if (option.equals("-thread"))
148 else if (option.equals("-dsm"))
150 else if (option.equals("-singleTM"))
152 else if (option.equals("-webinterface"))
153 state.WEBINTERFACE=true;
154 else if (option.equals("-instructionfailures"))
155 state.INSTRUCTIONFAILURE=true;
156 else if (option.equals("-abcclose"))
157 state.ARRAYBOUNDARYCHECK=false;
158 else if (option.equals("-mlp")) {
160 state.OWNERSHIP=true;
161 } else if (option.equals("-mlpdebug")) {
164 state.OWNERSHIP=true;
165 } else if (option.equals("-help")) {
166 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
167 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
168 System.out.println("-dir outputdirectory -- output code in outputdirectory");
169 System.out.println("-struct structfile -- output structure declarations for repair tool");
170 System.out.println("-mainclass -- main function to call");
171 System.out.println("-dsm -- distributed shared memory support");
172 System.out.println("-singleTM -- single machine committing transactions");
173 System.out.println("-abortreaders -- abort readers");
174 System.out.println("-precise -- use precise garbage collection");
175 System.out.println("-conscheck -- turn on consistency checking");
176 System.out.println("-task -- compiler for tasks");
177 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
178 System.out.println("-thread -- threads");
179 System.out.println("-trueprob <d> -- probability of true branch");
180 System.out.println("-printflat -- print out flat representation");
181 System.out.println("-instructionfailures -- insert code for instruction level failures");
182 System.out.println("-taskstate -- do task state analysis");
183 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
184 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
185 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
186 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
187 System.out.println("-ownership -- do ownership analysis");
188 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
189 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
190 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
191 System.out.println("-optimize -- enable optimizations");
192 System.out.println("-optional -- enable optional arguments");
193 System.out.println("-abcclose close the array boundary check");
194 System.out.println("-scheduling do task scheduling");
195 System.out.println("-mlp build mlp code");
196 System.out.println("-mlp build mlp code, report progress and interim results");
197 System.out.println("-multicore generate multi-core version binary");
198 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
199 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
200 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
201 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
202 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
203 System.out.println("-threadsimulate generate multi-thread simulate version binary");
204 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");
205 System.out.println("-printscheduling -- print out scheduling graphs");
206 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
207 System.out.println("-webinterface -- enable web interface");
208 System.out.println("-help -- print out help");
211 sourcefiles.add(args[i]);
215 //add default classpath
216 if (state.classpath.size()==1)
217 state.classpath.add(ClassLibraryPrefix);
219 BuildIR bir=new BuildIR(state);
220 TypeUtil tu=new TypeUtil(state, bir);
223 SemanticCheck sc=new SemanticCheck(state,tu);
225 for(int i=0;i<sourcefiles.size();i++)
226 loadClass(state, bir,(String)sourcefiles.get(i));
228 //Stuff the runtime wants to see
229 sc.getClass("String");
232 sc.getClass("Socket");
233 sc.getClass("ServerSocket");
234 sc.getClass("FileInputStream");
235 sc.getClass("FileOutputStream");
237 sc.getClass("TagDescriptor");
239 if (state.THREAD||state.DSM||state.SINGLETM) {
240 sc.getClass("Thread");
245 tu.createFullTable();
247 BuildFlat bf=new BuildFlat(state,tu);
249 SafetyAnalysis sa=null;
250 PrefetchAnalysis pa=null;
251 MLPAnalysis mlpa=null;
253 if (state.OPTIMIZE) {
254 CallGraph callgraph=new CallGraph(state);
255 CopyPropagation cp=new CopyPropagation();
256 DeadCode dc=new DeadCode();
257 GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
258 CSE cse=new CSE(gft, tu);
259 localCSE lcse=new localCSE(gft, tu);
260 LoopOptimize lo=new LoopOptimize(gft, tu);
261 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
262 while(classit.hasNext()) {
263 ClassDescriptor cn=(ClassDescriptor)classit.next();
264 Iterator methodit=cn.getMethods();
265 while(methodit.hasNext()) {
266 /* Classify parameters */
267 MethodDescriptor md=(MethodDescriptor)methodit.next();
268 FlatMethod fm=state.getMethodFlat(md);
280 if (state.FLATIRGRAPH) {
281 FlatIRGraph firg = new FlatIRGraph(state,
282 state.FLATIRGRAPHTASKS,
283 state.FLATIRGRAPHUSERMETHODS,
284 state.FLATIRGRAPHLIBMETHODS);
287 if (state.OWNERSHIP && !state.MLP) {
288 CallGraph callGraph = new CallGraph(state);
289 OwnershipAnalysis oa = new OwnershipAnalysis(state,
292 state.OWNERSHIPALLOCDEPTH,
293 state.OWNERSHIPWRITEDOTS,
294 state.OWNERSHIPWRITEALL,
295 state.OWNERSHIPALIASFILE);
299 CallGraph callGraph = new CallGraph(state);
300 OwnershipAnalysis oa = new OwnershipAnalysis(state,
303 state.OWNERSHIPALLOCDEPTH,
304 state.OWNERSHIPWRITEDOTS,
305 state.OWNERSHIPWRITEALL,
306 state.OWNERSHIPALIASFILE);
307 mlpa = new MLPAnalysis(state,
313 if (state.TAGSTATE) {
314 CallGraph callgraph=new CallGraph(state);
315 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
316 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
319 if (state.TASKSTATE) {
320 CallGraph callgraph=new CallGraph(state);
321 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
322 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
324 TaskGraph tg=new TaskGraph(state, ta);
327 if (state.OPTIONAL) {
328 ExecutionGraph et=new ExecutionGraph(state, ta);
329 et.createExecutionGraph();
330 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
332 state.storeAnalysisResult(sa.getResult());
333 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
336 if (state.WEBINTERFACE) {
337 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
338 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
339 JhttpServer serve=new JhttpServer(8000,wi);
343 if (state.SCHEDULING) {
344 // Use ownership analysis to get alias information
345 CallGraph callGraph = new CallGraph(state);
346 OwnershipAnalysis oa = new OwnershipAnalysis(state,
349 state.OWNERSHIPALLOCDEPTH,
350 state.OWNERSHIPWRITEDOTS,
351 state.OWNERSHIPWRITEALL,
352 state.OWNERSHIPALIASFILE);
354 // synthesis a layout according to target multicore processor
355 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
358 if(isDistributeInfo) {
359 mcImplSynthesis.distribution();
361 //double timeStartAnalysis = (double) System.nanoTime();
362 mcImplSynthesis.setScheduleThreshold(20);
363 mcImplSynthesis.setProbThreshold(0);
364 mcImplSynthesis.setGenerateThreshold(30);
365 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
367 //double timeEndAnalysis = (double) System.nanoTime();
368 //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
369 //System.err.println("The analysis took" + dt + "sec.");
371 // generate multicore codes
372 if(state.MULTICORE) {
373 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
378 mcImplSynthesis.getCoreNum(),
380 bcm.setOwnershipAnalysis(oa);
388 if(!state.MULTICORE) {
389 if (state.DSM||state.SINGLETM) {
390 CallGraph callgraph=new CallGraph(state);
391 if (state.PREFETCH) {
392 //speed up prefetch generation using locality analysis results
393 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
394 pa=new PrefetchAnalysis(state, callgraph, tu, la);
396 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
397 GenerateConversions gc=new GenerateConversions(la, state);
398 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
401 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
406 System.out.println("Lines="+state.lines);
410 public static void loadClass(State state, BuildIR bir, String sourcefile) {
411 ParseNode pn=readSourceFile(state, sourcefile);
412 bir.buildtree(pn, null);
415 /** Reads in a source file and adds the parse tree to the state object. */
417 public static ParseNode readSourceFile(State state, String sourcefile) {
419 Reader fr= new BufferedReader(new FileReader(sourcefile));
420 Lex.Lexer l = new Lex.Lexer(fr);
421 java_cup.runtime.lr_parser g;
422 g = new Parse.Parser(l);
425 p=(ParseNode) g./*debug_*/parse().value;
426 } catch (Exception e) {
427 System.err.println("Error parsing file:"+sourcefile);
431 state.addParseNode(p);
432 if (l.numErrors()!=0) {
433 System.out.println("Error parsing "+sourcefile);
434 System.exit(l.numErrors());
436 state.lines+=l.line_num;
439 } catch (Exception e) {