source: src/CodeTools/DeclStats.cc@ 1ed841f

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 1ed841f was 69d8a9a, checked in by Aaron Moss <a3moss@…>, 9 years ago

More DeclStats work
  • Property mode set to 100644
File size: 13.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// DeclStats.cc --
8//
9// Author : Aaron Moss
10// Created On : Wed Jan 31 16:40:00 2016
11// Last Modified By : Aaron Moss
12// Last Modified On : Wed Jan 31 16:40:00 2016
13// Update Count : 1
14//
15
16#include "DeclStats.h"
17
18#include <iostream>
19#include <map>
20#include <sstream>
21#include <string>
22#include <unordered_map>
23#include <unordered_set>
24
25#include "Common/VectorMap.h"
26#include "GenPoly/GenPoly.h"
27#include "Parser/LinkageSpec.h"
28#include "SynTree/Declaration.h"
29#include "SynTree/Visitor.h"
30
31namespace CodeTools {
32
33 class DeclStats : public Visitor {
34 template<typename T>
35 static void sum(T& a, const T& b) { a += b; }
36
37 static void sum(VectorMap<unsigned>& a, const VectorMap<unsigned>& b) {
38 a.reserve( b.size() );
39 for ( unsigned i = 0; i < b.size(); ++i ) {
40 a[i] += b[i];
41 }
42 }
43
44 template<typename K>
45 static void sum(std::map<K, unsigned>& a, const std::map<K, unsigned>& b) {
46 for ( const auto& entry : b ) {
47 a[ entry.first ] += entry.second;
48 }
49 }
50
51 template<typename K>
52 static void sum(std::unordered_map<K, unsigned>& a, const std::unordered_map<K, unsigned>& b) {
53 for ( const auto& entry : b ) {
54 a[ entry.first ] += entry.second;
55 }
56 }
57
58 struct ArgPackStats {
59 VectorMap<unsigned> n; ///< Count of decls with each number of elements
60 VectorMap<unsigned> n_basic; ///< Count of decls with each number of basic type elements
61 VectorMap<unsigned> n_poly; ///< Count of decls with each number of polymorphic elements
62 std::map<unsigned, unsigned> p_basic; ///< Count of decls with each percentage of basic type elements
63 std::map<unsigned, unsigned> p_poly; ///< Count of decls with each percentage of polymorphic elements
64 VectorMap<unsigned> n_types; ///< Count of decls with each number of distinct types in the pack
65 /// Count of decls with each percentage of new types in lists.
66 /// Types used in the parameter list that recur in the return list are not considered to be new.
67 std::map<unsigned, unsigned> p_new;
68
69 ArgPackStats& operator+= (const ArgPackStats& o) {
70 sum(n, o.n);
71 sum(n_basic, o.n_basic);
72 sum(n_poly, o.n_poly);
73 sum(p_basic, o.p_basic);
74 sum(p_poly, o.p_poly);
75 sum(n_types, o.n_types);
76 sum(p_new, o.p_new);
77
78 return *this;
79 }
80 };
81
82 struct Stats {
83 unsigned n_decls; ///< Total number of declarations
84 /// Count of declarations with each number of assertion parameters
85 VectorMap<unsigned> n_type_params;
86 /// Count of declarations with each name
87 std::unordered_map<std::string, unsigned> by_name;
88 /// Count of uses of each basic type
89 std::unordered_map<std::string, unsigned> basic_type_names;
90 /// Count of uses of each non-basic type
91 std::unordered_map<std::string, unsigned> compound_type_names;
92 /// Count of decls using each basic type
93 std::unordered_map<std::string, unsigned> basic_type_decls;
94 /// Count of decls using each compound type
95 std::unordered_map<std::string, unsigned> compound_type_decls;
96 /// Stats for the parameter list
97 ArgPackStats params;
98 /// Stats for the return list
99 ArgPackStats returns;
100
101 /// Count of declarations with each number of assertions
102 std::map<unsigned, unsigned> n_assns;
103 /// Stats for the assertions' parameters
104 ArgPackStats assn_params;
105 /// Stats for the assertions' return types
106 ArgPackStats assn_returns;
107
108 Stats() : n_decls(0), n_type_params(), by_name(), basic_type_names(), compound_type_names(), basic_type_decls(), compound_type_decls(), params(), returns(), n_assns(), assn_params(), assn_returns() {}
109
110 public:
111 Stats& operator+= (const Stats& o) {
112 sum( n_decls, o.n_decls );
113 sum( n_type_params, o.n_type_params );
114 sum( by_name, o.by_name );
115 sum( basic_type_names, o.basic_type_names );
116 sum( compound_type_names, o.compound_type_names );
117 sum( basic_type_decls, o.basic_type_decls );
118 sum( compound_type_decls, o.compound_type_decls );
119 sum( params, o.params );
120 sum( returns, o.returns );
121 sum( n_assns, o.n_assns );
122 sum( assn_params, o.assn_params );
123 sum( assn_returns, o.assn_returns );
124
125 return *this;
126 }
127 };
128
129 Stats for_linkage[LinkageSpec::NoOfSpecs]; ///< Stores separate stats per linkage
130 std::unordered_set<std::string> seen_names; ///< Stores manglenames already seen to avoid double-counting
131 Stats total;
132 /// Count of expressions with (depth, fanout)
133 std::map<std::pair<unsigned, unsigned>, unsigned> exprs_by_fanout_at_depth;
134
135 /// Update arg pack stats based on a declaration list
136 void analyze( Stats& stats, std::unordered_set<std::string>& seen, ArgPackStats& pstats, std::list<DeclarationWithType*>& decls ) {
137 std::unordered_set<std::string> types;
138 unsigned n = 0; ///< number of args/returns
139 unsigned n_basic = 0; ///< number of basic types
140 unsigned n_poly = 0; ///< number of polymorphic types
141 unsigned n_new = 0; ///< number of new types
142 for ( auto decl : decls ) {
143 Type* dt = decl->get_type();
144
145 n += dt->size();
146
147 std::stringstream ss;
148 dt->print( ss );
149 types.insert( ss.str() );
150 bool this_new = seen.insert( ss.str() ).second;
151 if ( this_new ) { ++n_new; }
152
153 if ( dynamic_cast<BasicType*>( dt ) ) {
154 ++n_basic;
155 ++stats.basic_type_names[ ss.str() ];
156 if ( this_new ) {
157 ++stats.basic_type_decls[ ss.str() ];
158 }
159 } else if ( GenPoly::hasPolyBase( dt ) ) {
160 ++n_poly;
161 } else {
162 ++stats.compound_type_names[ ss.str() ];
163 if ( this_new ) {
164 ++stats.compound_type_decls[ ss.str() ];
165 }
166 }
167 }
168 ++pstats.n.at( n );
169 ++pstats.n_basic.at( n_basic );
170 ++pstats.n_poly.at( n_poly );
171 if ( n > 0 ) {
172 ++pstats.p_basic[ n_basic*100/n ];
173 ++pstats.p_poly[ n_poly*100/n ];
174 ++pstats.p_new[ n_new*100/n ];
175 }
176 ++pstats.n_types.at( types.size() );
177 }
178
179 void analyzeFunc( FunctionType* fnTy, Stats& stats, ArgPackStats& params, ArgPackStats& returns ) {
180 std::unordered_set<std::string> seen;
181 analyze( stats, seen, params, fnTy->get_parameters() );
182 analyze( stats, seen, returns, fnTy->get_returnVals() );
183 }
184
185 void analyzeExpr( UntypedExpr *expr, unsigned depth ) {
186 auto& args = expr->get_args();
187 unsigned fanout = args.size();
188
189 ++exprs_by_fanout_at_depth[ std::make_pair(depth, fanout) ];
190 for ( Expression* arg : args ) {
191 if ( UntypedExpr *uearg = dynamic_cast<UntypedExpr*>(arg) ) {
192 analyzeExpr( uearg, depth+1 );
193 }
194 }
195 }
196
197 public:
198 using Visitor::visit;
199
200 virtual void visit( FunctionDecl *decl ) {
201 // skip if already seen declaration for this function
202 const std::string& mangleName = decl->get_mangleName().empty() ? decl->get_name() : decl->get_mangleName();
203 if ( ! seen_names.insert( mangleName ).second ) {
204 maybeAccept( decl->get_statements(), *this );
205 return;
206 }
207
208 Stats& stats = for_linkage[ decl->get_linkage() ];
209
210 ++stats.n_decls;
211 FunctionType* fnTy = decl->get_functionType();
212 const Type::ForallList& forall = fnTy->get_forall();
213 ++stats.n_type_params.at( forall.size() );
214 unsigned n_assns = 0;
215 for ( TypeDecl* fdecl : forall ) {
216 n_assns += fdecl->get_assertions().size();
217 for ( DeclarationWithType* assn : fdecl->get_assertions() ) {
218 FunctionType *assnTy = 0;
219 if ( ObjectDecl *assnObj = dynamic_cast<ObjectDecl*>(assn) ) {
220 if ( PointerType *ptrTy = dynamic_cast<PointerType*>(assnObj->get_type()) ) {
221 assnTy = dynamic_cast<FunctionType*>(ptrTy->get_base());
222 } else assnTy = dynamic_cast<FunctionType*>(assnObj->get_type());
223 } else if ( FunctionDecl *assnDecl = dynamic_cast<FunctionDecl*>(assn) ) {
224 assnTy = assnDecl->get_functionType();
225 }
226 if ( assnTy ) analyzeFunc( assnTy, stats, stats.assn_params, stats.assn_returns );
227 }
228 }
229 ++stats.n_assns[ n_assns ];
230
231 ++stats.by_name[ decl->get_name() ];
232
233 analyzeFunc( fnTy, stats, stats.params, stats.returns );
234
235 // analyze expressions in decl statements
236 maybeAccept( decl->get_statements(), *this );
237 }
238
239 virtual void visit( UntypedExpr *expr ) {
240 analyzeExpr( expr, 0 );
241 }
242
243 private:
244 template<typename F>
245 void printAll( const std::string& name, F extract ) {
246 std::cout << "\"" << name << "\",";
247 for ( const auto& stats : for_linkage ) {
248 std::cout << "," << extract(stats);
249 }
250 std::cout << "," << extract(total) << std::endl;
251 }
252
253 template<typename F>
254 void printAllMap( const std::string& name, F extract ) {
255 for ( const auto& entry : extract(total) ) {
256 const auto& key = entry.first;
257 std::cout << "\"" << name << "\"," << key;
258 for ( const auto& stats : for_linkage ) {
259 const auto& map = extract(stats);
260 auto it = map.find( key );
261 if ( it == map.end() ) std::cout << ",0";
262 else std::cout << "," << it->second;
263 }
264 std::cout << "," << entry.second << std::endl;
265 }
266 }
267
268 template<typename F>
269 void printAllHisto( const std::string& name, F extract ) {
270 VectorMap<unsigned> histos[LinkageSpec::NoOfSpecs];
271 VectorMap<unsigned> thisto;
272
273 for ( const auto& entry : extract(total) ) { ++thisto.at( entry.second ); }
274
275 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
276 // can't be a higher count in one of the sub-histograms than the total
277 histos[i].reserve( thisto.size() );
278
279 for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
280 }
281
282 for ( unsigned i = 0; i < thisto.size(); ++i ) {
283 std::cout << "\"" << name << "\"," << i;
284 for ( const auto& histo : histos ) {
285 std::cout << "," << histo[i];
286 }
287 std::cout << "," << thisto[i] << std::endl;
288 }
289 }
290
291 template<typename F>
292 void printAllSparseHisto( const std::string& name, F extract ) {
293 std::map<unsigned, unsigned> histos[LinkageSpec::NoOfSpecs];
294 std::map<unsigned, unsigned> thisto;
295
296 for ( const auto& entry : extract(total) ) { ++thisto[ entry.second ]; }
297
298 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
299 for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
300 }
301
302 for ( const auto& entry : thisto ) {
303 const auto& key = entry.first;
304 std::cout << "\"" << name << "\"," << key;
305 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
306 auto it = histos[i].find( key );
307 if ( it == histos[i].end() ) std::cout << ",0";
308 else std::cout << "," << it->second;
309 }
310 std::cout << "," << entry.second << std::endl;
311 }
312 }
313
314 template<typename F>
315 void printAllPack( const std::string& name, F extract ) {
316 printAllMap("n_basic_" + name, [&extract](const Stats& stats) { return extract(stats).n_basic; });
317 printAllMap("n_poly_" + name, [&extract](const Stats& stats) { return extract(stats).n_poly; });
318 printAllMap("n_" + name, [&extract](const Stats& stats) { return extract(stats).n; });
319 printAllMap("%_basic_" + name, [&extract](const Stats& stats) { return extract(stats).p_basic; });
320 printAllMap("%_poly_" + name, [&extract](const Stats& stats) { return extract(stats).p_poly; });
321 printAllMap("n_distinct_types_" + name, [&extract](const Stats& stats) { return extract(stats).n_types; });
322 printAllMap("%_new_types_in_" + name, [&extract](const Stats& stats) { return extract(stats).p_new; });
323 }
324
325 void printPairMap( const std::string& name,
326 const std::map<std::pair<unsigned, unsigned>, unsigned>& map ) {
327 for ( const auto& entry : map ) {
328 const auto& key = entry.first;
329 std::cout << "\"" << name << "\"," << key.first << "," << key.second << ","
330 << entry.second << std::endl;
331 }
332 }
333
334 public:
335 void print() {
336 for ( auto& stats : for_linkage ) {
337 total += stats;
338 }
339
340 std::cout << ",,\"intrinsic\",\"Cforall\",\"C\",\"autogen\",\"builtin\",\"TOTAL\"" << std::endl;
341
342 printAllMap("n_type_params", [](const Stats& stats) { return stats.n_type_params; });
343 printAll("n_decls", [](const Stats& stats) { return stats.n_decls; });
344 printAll("unique_names", [](const Stats& stats) { return stats.by_name.size(); });
345 printAllSparseHisto("overloads", [](const Stats& stats) { return stats.by_name; });
346 printAll("basic_type_names", [](const Stats& stats) { return stats.basic_type_names.size(); });
347 printAllSparseHisto("basic_type_uses", [](const Stats& stats) { return stats.basic_type_names; });
348 printAllSparseHisto("decls_using_basic_type", [](const Stats& stats) { return stats.basic_type_decls; });
349 printAll("compound_type_names", [](const Stats& stats) { return stats.compound_type_names.size(); });
350 printAllSparseHisto("compound_type_uses", [](const Stats& stats) { return stats.compound_type_names; });
351 printAllSparseHisto("decls_using_compound_type", [](const Stats& stats) { return stats.compound_type_decls; });
352 printAllPack("params", [](const Stats& stats) { return stats.params; });
353 printAllPack("returns", [](const Stats& stats) { return stats.returns; });
354 printAllMap("n_assns", [](const Stats& stats) { return stats.n_assns; });
355 printAllPack("assn_params", [](const Stats& stats) { return stats.assn_params; });
356 printAllPack("assn_returns", [](const Stats& stats) { return stats.assn_returns; });
357 std::cout << std::endl;
358
359 printPairMap("exprs_by_depth+fanout", exprs_by_fanout_at_depth);
360 }
361 };
362
363 void printDeclStats( std::list< Declaration * > &translationUnit ) {
364 DeclStats stats;
365 acceptAll( translationUnit, stats );
366 stats.print();
367 }
368
369} // namespace CodeTools
370
371// Local Variables: //
372// tab-width: 4 //
373// mode: c++ //
374// compile-command: "make install" //
375// End: //
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