1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2018 Free Software Foundation, Inc. 4 // 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 9 // version. 10 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. 15 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/>. 19 20 21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 22 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 30 // warranty. 31 32 /** 33 * @file pop_test.hpp 34 * Contains a generic pop test. 35 */ 36 37 #ifndef PB_DS_POP_TEST_HPP 38 #define PB_DS_POP_TEST_HPP 39 40 #include <iterator> 41 #include <testsuite_allocator.h> 42 #include <ext/pb_ds/detail/type_utils.hpp> 43 #include <performance/io/xml_formatter.hpp> 44 #include <common_type/priority_queue/string_form.hpp> 45 #include <cassert> 46 47 namespace __gnu_pbds 48 { 49 namespace test 50 { 51 template<typename It> 52 class pop_test 53 { 54 public: pop_test(It ins_b,size_t ins_vn,size_t ins_vs,size_t ins_vm)55 pop_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm) 56 : m_ins_b(ins_b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm) 57 { } 58 59 template<typename Cntnr> 60 void 61 operator()(Cntnr); 62 63 private: 64 pop_test(const pop_test&); 65 66 const It m_ins_b; 67 const size_t m_ins_vn; 68 const size_t m_ins_vs; 69 const size_t m_ins_vm; 70 }; 71 72 template<typename It> 73 template<typename Cntnr> 74 void 75 pop_test<It>:: operator ()(Cntnr)76 operator()(Cntnr) 77 { 78 typedef xml_result_set_performance_formatter formatter_type; 79 formatter_type res_set_fmt(string_form<Cntnr>::name(), 80 string_form<Cntnr>::desc()); 81 82 for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i) 83 { 84 const size_t ins_size = m_ins_vn + i * m_ins_vs; 85 It ins_it_b = m_ins_b; 86 It ins_it_e = m_ins_b; 87 std::advance(ins_it_e, ins_size); 88 89 typedef __gnu_test::tracker_allocator_counter counter_type; 90 __gnu_test::tracker_allocator<char> alloc; 91 92 const size_t init_mem = counter_type::get_allocation_count() 93 - counter_type::get_deallocation_count(); 94 Cntnr cntnr; 95 for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it) 96 cntnr.push(ins_it->first); 97 98 while (cntnr.size() > 1) 99 cntnr.pop(); 100 101 const size_t final_mem = counter_type::get_allocation_count() 102 - counter_type::get_deallocation_count(); 103 assert(final_mem > init_mem); 104 const size_t delta_mem = final_mem - init_mem; 105 res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem)); 106 } 107 } 108 } // namespace test 109 } // namespace __gnu_pbds 110 111 #endif 112 113