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source: src/CodeTools/DeclStats.cc @ ef9cc56

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Last change on this file since ef9cc56 was eed5e48, checked in by Aaron Moss <a3moss@…>, 8 years ago
Update to DeclStats?
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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
31	namespace 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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