source: src/CodeTools/DeclStats.cc@ bf26fa5

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 bf26fa5 was eed5e48, checked in by Aaron Moss <a3moss@…>, 9 years ago

Update to DeclStats
  • Property mode set to 100644
File size: 10.9 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
66 ArgPackStats& operator+= (const ArgPackStats& o) {
67 sum(n, o.n);
68 sum(n_basic, o.n_basic);
69 sum(n_poly, o.n_poly);
70 sum(p_basic, o.p_basic);
71 sum(p_poly, o.p_poly);
72 sum(n_types, o.n_types);
73
74 return *this;
75 }
76 };
77
78 struct Stats {
79 unsigned n_decls; ///< Total number of declarations
80 /// Count of declarations with each number of assertion parameters
81 VectorMap<unsigned> n_type_params;
82 /// Count of declarations with each name
83 std::unordered_map<std::string, unsigned> by_name;
84 /// Count of uses of each basic type
85 std::unordered_map<std::string, unsigned> basic_type_names;
86 /// Count of uses of each non-basic type
87 std::unordered_map<std::string, unsigned> compound_type_names;
88 /// Stats for the parameter list
89 ArgPackStats params;
90 /// Stats for the return list
91 ArgPackStats returns;
92
93 /// Count of declarations with each number of assertions
94 std::map<unsigned, unsigned> n_assns;
95 /// Stats for the assertions' parameters
96 ArgPackStats assn_params;
97 /// Stats for the assertions' return types
98 ArgPackStats assn_returns;
99
100 Stats() : n_decls(0), n_type_params(), by_name(), basic_type_names(), compound_type_names(), params(), returns(), n_assns(), assn_params(), assn_returns() {}
101
102 public:
103 Stats& operator+= (const Stats& o) {
104 sum( n_decls, o.n_decls );
105 sum( n_type_params, o.n_type_params );
106 sum( by_name, o.by_name );
107 sum( basic_type_names, o.basic_type_names );
108 sum( compound_type_names, o.compound_type_names );
109 sum( params, o.params );
110 sum( returns, o.returns );
111 sum( n_assns, o.n_assns );
112 sum( assn_params, o.assn_params );
113 sum( assn_returns, o.assn_returns );
114
115 return *this;
116 }
117 };
118
119 Stats for_linkage[LinkageSpec::NoOfSpecs]; ///< Stores separate stats per linkage
120 std::unordered_set<std::string> seen_names; ///< Stores manglenames already seen to avoid double-counting
121 Stats total;
122
123 /// Update arg pack stats based on a declaration list
124 void analyze( Stats& stats, ArgPackStats& pstats, std::list<DeclarationWithType*>& decls ) {
125 std::unordered_set<std::string> types;
126 unsigned n = 0;
127 unsigned n_basic = 0;
128 unsigned n_poly = 0;
129 for ( auto decl : decls ) {
130 Type* dt = decl->get_type();
131
132 n += dt->size();
133
134 std::stringstream ss;
135 dt->print( ss );
136 types.insert( ss.str() );
137
138 if ( dynamic_cast<BasicType*>( dt ) ) {
139 ++n_basic;
140 ++stats.basic_type_names[ ss.str() ];
141 } else if ( GenPoly::hasPolyBase( dt ) ) {
142 ++n_poly;
143 } else {
144 ++stats.compound_type_names[ ss.str() ];
145 }
146 }
147 ++pstats.n.at( n );
148 ++pstats.n_basic.at( n_basic );
149 ++pstats.n_poly.at( n_poly );
150 if ( n > 0 ) {
151 ++pstats.p_basic[ n_basic*100/n ];
152 ++pstats.p_poly[ n_poly*100/n ];
153 }
154 ++pstats.n_types.at( types.size() );
155 }
156
157 void analyzeFunc( FunctionType* fnTy, Stats& stats, ArgPackStats& params, ArgPackStats& returns ) {
158 analyze( stats, params, fnTy->get_parameters() );
159 analyze( stats, returns, fnTy->get_returnVals() );
160 }
161
162 public:
163 using Visitor::visit;
164
165 virtual void visit( FunctionDecl *decl ) {
166 // skip if already seen declaration for this function
167 const std::string& mangleName = decl->get_mangleName().empty() ? decl->get_name() : decl->get_mangleName();
168 if ( ! seen_names.insert( mangleName ).second ) return;
169
170 Stats& stats = for_linkage[ decl->get_linkage() ];
171
172 ++stats.n_decls;
173 FunctionType* fnTy = decl->get_functionType();
174 const Type::ForallList& forall = fnTy->get_forall();
175 ++stats.n_type_params.at( forall.size() );
176 unsigned n_assns = 0;
177 for ( TypeDecl* fdecl : forall ) {
178 n_assns += fdecl->get_assertions().size();
179 for ( DeclarationWithType* assn : fdecl->get_assertions() ) {
180 FunctionType *assnTy = 0;
181 if ( ObjectDecl *assnObj = dynamic_cast<ObjectDecl*>(assn) ) {
182 if ( PointerType *ptrTy = dynamic_cast<PointerType*>(assnObj->get_type()) ) {
183 assnTy = dynamic_cast<FunctionType*>(ptrTy->get_base());
184 } else assnTy = dynamic_cast<FunctionType*>(assnObj->get_type());
185 } else if ( FunctionDecl *assnDecl = dynamic_cast<FunctionDecl*>(assn) ) {
186 assnTy = assnDecl->get_functionType();
187 }
188 if ( assnTy ) analyzeFunc( assnTy, stats, stats.assn_params, stats.assn_returns );
189 }
190 }
191 ++stats.n_assns[ n_assns ];
192
193 ++stats.by_name[ decl->get_name() ];
194
195 analyzeFunc( fnTy, stats, stats.params, stats.returns );
196 }
197
198 private:
199 template<typename F>
200 void printAll( const std::string& name, F extract ) {
201 std::cout << "\"" << name << "\",";
202 for ( const auto& stats : for_linkage ) {
203 std::cout << "," << extract(stats);
204 }
205 std::cout << "," << extract(total) << std::endl;
206 }
207
208 template<typename F>
209 void printAllMap( const std::string& name, F extract ) {
210 for ( const auto& entry : extract(total) ) {
211 const auto& key = entry.first;
212 std::cout << "\"" << name << "\"," << key;
213 for ( const auto& stats : for_linkage ) {
214 const auto& map = extract(stats);
215 auto it = map.find( key );
216 if ( it == map.end() ) std::cout << ",0";
217 else std::cout << "," << it->second;
218 }
219 std::cout << "," << entry.second << std::endl;
220 }
221 }
222
223 template<typename F>
224 void printAllHisto( const std::string& name, F extract ) {
225 VectorMap<unsigned> histos[LinkageSpec::NoOfSpecs];
226 VectorMap<unsigned> thisto;
227
228 for ( const auto& entry : extract(total) ) { ++thisto.at( entry.second ); }
229
230 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
231 // can't be a higher count in one of the sub-histograms than the total
232 histos[i].reserve( thisto.size() );
233
234 for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
235 }
236
237 for ( unsigned i = 0; i < thisto.size(); ++i ) {
238 std::cout << "\"" << name << "\"," << i;
239 for ( const auto& histo : histos ) {
240 std::cout << "," << histo[i];
241 }
242 std::cout << "," << thisto[i] << std::endl;
243 }
244 }
245
246 template<typename F>
247 void printAllSparseHisto( const std::string& name, F extract ) {
248 std::map<unsigned, unsigned> histos[LinkageSpec::NoOfSpecs];
249 std::map<unsigned, unsigned> thisto;
250
251 for ( const auto& entry : extract(total) ) { ++thisto[ entry.second ]; }
252
253 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
254 for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
255 }
256
257 for ( const auto& entry : thisto ) {
258 const auto& key = entry.first;
259 std::cout << "\"" << name << "\"," << key;
260 for ( unsigned i = 0; i < LinkageSpec::NoOfSpecs; ++i ) {
261 auto it = histos[i].find( key );
262 if ( it == histos[i].end() ) std::cout << ",0";
263 else std::cout << "," << it->second;
264 }
265 std::cout << "," << entry.second << std::endl;
266 }
267 }
268
269 template<typename F>
270 void printAllPack( const std::string& name, F extract ) {
271 printAllMap("n_basic_" + name, [&extract](const Stats& stats) { return extract(stats).n_basic; });
272 printAllMap("n_poly_" + name, [&extract](const Stats& stats) { return extract(stats).n_poly; });
273 printAllMap("n_" + name, [&extract](const Stats& stats) { return extract(stats).n; });
274 printAllMap("%_basic_" + name, [&extract](const Stats& stats) { return extract(stats).p_basic; });
275 printAllMap("%_poly_" + name, [&extract](const Stats& stats) { return extract(stats).p_poly; });
276 printAllMap("n_distinct_types_" + name, [&extract](const Stats& stats) { return extract(stats).n_types; });
277 }
278
279 public:
280 void print() {
281 for ( auto& stats : for_linkage ) {
282 total += stats;
283 }
284
285 std::cout << ",,\"intrinsic\",\"Cforall\",\"C\",\"autogen\",\"builtin\",\"TOTAL\"" << std::endl;
286
287 printAllMap("n_type_params", [](const Stats& stats) { return stats.n_type_params; });
288 printAll("n_decls", [](const Stats& stats) { return stats.n_decls; });
289 printAll("unique_names", [](const Stats& stats) { return stats.by_name.size(); });
290 printAllSparseHisto("overloads", [](const Stats& stats) { return stats.by_name; });
291 printAll("basic_type_names", [](const Stats& stats) { return stats.basic_type_names.size(); });
292 printAllSparseHisto("basic_type_uses", [](const Stats& stats) { return stats.basic_type_names; });
293 printAll("compound_type_names", [](const Stats& stats) { return stats.compound_type_names.size(); });
294 printAllSparseHisto("compound_type_uses", [](const Stats& stats) { return stats.compound_type_names; });
295 printAllPack("params", [](const Stats& stats) { return stats.params; });
296 printAllPack("returns", [](const Stats& stats) { return stats.returns; });
297 printAllMap("n_assns", [](const Stats& stats) { return stats.n_assns; });
298 printAllPack("assn_params", [](const Stats& stats) { return stats.assn_params; });
299 printAllPack("assn_returns", [](const Stats& stats) { return stats.assn_returns; });
300 }
301 };
302
303 void printDeclStats( std::list< Declaration * > &translationUnit ) {
304 DeclStats stats;
305 acceptAll( translationUnit, stats );
306 stats.print();
307 }
308
309} // namespace CodeTools
310
311// Local Variables: //
312// tab-width: 4 //
313// mode: c++ //
314// compile-command: "make install" //
315// End: //
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