3 // Copyright (C) 2005-2016 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file modify_test.hpp
34 * Contains a modify performance test.
37 #ifndef PB_DS_JOIN_TEST_HPP
38 #define PB_DS_JOIN_TEST_HPP
40 #include <performance/time/timing_test_base.hpp>
41 #include <ext/pb_ds/detail/type_utils.hpp>
42 #include <performance/io/xml_formatter.hpp>
43 #include <common_type/priority_queue/string_form.hpp>
53 template<typename It, class Cntnr, class Tag>
57 push_functor(It ins_it_b, It ins_it_e)
58 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
62 operator()(std::size_t resolution)
64 typedef typename Cntnr::point_iterator point_iterator;
65 typedef typename Cntnr::const_reference const_reference;
66 for (std::size_t i = 0; i < resolution; ++i)
69 typedef std::vector<point_iterator> it_vec_t;
71 for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
72 m_a_its.push_back(c.push(const_reference(ins_it->first)));
81 template<typename It, class Cntnr, class Tag>
82 class push_modify_functor
85 typedef typename Cntnr::point_iterator point_iterator;
86 typedef typename Cntnr::const_reference const_reference;
87 typedef typename Cntnr::value_type value_type;
90 push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
91 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
95 operator()(std::size_t resolution)
97 for (std::size_t i = 0; i < resolution; ++i)
100 typedef std::vector<typename Cntnr::point_iterator> it_vec_t;
102 for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
103 m_a_its.push_back(c.push(const_reference(ins_it->first)));
105 typename it_vec_t::iterator mod_it = m_a_its.begin();
106 while (mod_it != m_a_its.end())
107 c.modify(*mod_it++, m_mod_val);
114 const value_type m_mod_val;
118 template<typename It, class Cntnr>
119 class push_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
122 push_functor(It ins_it_b, It ins_it_e)
123 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
127 operator()(std::size_t resolution)
129 typedef typename Cntnr::const_reference const_reference;
130 for (std::size_t i = 0; i < resolution; ++i)
133 for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
134 c.push(const_reference(ins_it->first));
143 template<typename It, class Cntnr>
144 class push_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
147 push_functor(It ins_it_b, It ins_it_e)
148 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
152 operator()(std::size_t resolution)
154 typedef typename Cntnr::const_reference const_reference;
155 for (std::size_t i = 0; i < resolution; ++i)
159 for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
160 c.push(const_reference(ins_it->first));
170 template<typename It, class Cntnr>
171 class push_modify_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
174 typedef typename Cntnr::iterator iterator;
175 typedef typename Cntnr::const_reference const_reference;
176 typedef typename Cntnr::value_type value_type;
179 push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
180 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
184 operator()(std::size_t resolution)
186 for (std::size_t i = 0; i < resolution; ++i)
190 for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
191 c.push(const_reference(ins_it->first));
193 for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
195 bool modified = false;
196 for (iterator it = c.begin(); !modified && it != c.end(); ++it)
197 if (*it == ins_it->first)
199 c.modify(it, m_mod_val);
209 const value_type m_mod_val;
212 template<typename It, class Cntnr>
213 class push_modify_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
216 typedef typename Cntnr::value_type value_type;
217 typedef typename Cntnr::const_reference const_reference;
220 push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
221 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
225 operator()(std::size_t resolution)
227 for (std::size_t i = 0; i < resolution; ++i)
231 for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
232 c.push(const_reference(ins_it->first));
233 for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
234 c.modify(ins_it->first, m_mod_val);
241 const value_type m_mod_val;
243 } // namespace detail
245 template<typename It>
246 class modify_test : private __gnu_pbds::test::detail::timing_test_base
249 modify_test(It b, size_t vn, size_t vs, size_t vm, bool modify_up)
250 : m_ins_b(b), m_ins_vn(vn), m_ins_vs(vs), m_ins_vm(vm),
251 m_modify_up(modify_up)
254 template<typename Cntnr>
259 modify_test(const modify_test&);
261 template<typename Cntnr>
263 modify(Cntnr, It ins_it_b, It ins_it_e)
265 typedef typename Cntnr::const_reference const_reference;
267 for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
268 cntnr.modify(const_reference(*ins_it));
272 const size_t m_ins_vn;
273 const size_t m_ins_vs;
274 const size_t m_ins_vm;
275 const bool m_modify_up;
278 template<typename It>
279 template<typename Cntnr>
284 typedef typename Cntnr::value_type value_type;
285 typedef typename Cntnr::container_category container_category;
286 typedef typename Cntnr::const_reference const_reference;
287 typedef detail::timing_test_base timing_test_base;
288 typedef detail::push_functor<It, Cntnr, container_category> psh_fnct;
289 typedef detail::push_modify_functor<It, Cntnr, container_category> psh_mod_fnct;
290 typedef xml_result_set_performance_formatter formatter_type;
291 formatter_type res_set_fmt(string_form<Cntnr>::name(),
292 string_form<Cntnr>::desc());
294 for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
296 const size_t v = m_ins_vn + i * m_ins_vs;
301 psh_fnct psh_fn(b, e);
302 const double psh_res = timing_test_base::operator()(psh_fn);
304 value_type val = b->first;
306 Cntnr mod_val_container;
307 for (It mod_val_it = b; mod_val_it != e; ++mod_val_it)
309 value_type pot = mod_val_it->first;
310 if (m_modify_up == mod_val_container.get_cmp_fn()(val, pot))
315 psh_mod_fnct psh_mod_fn(b, e, val);
316 const double psh_mod_res = timing_test_base::operator()(psh_mod_fn);
318 const double min_res = double(timing_test_base::min_time_res());
319 const double effective_delta = std::max(psh_mod_res - psh_res,
322 res_set_fmt.add_res(v, effective_delta / v);
326 } // namespace __gnu_pbds