1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 push_pop_test.hpp 34 * Contains a push performance test. 35 */ 36 37#ifndef PB_DS_PUSH_TEST_HPP 38#define PB_DS_PUSH_TEST_HPP 39 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> 44#include <iterator> 45 46namespace __gnu_pbds 47{ 48 namespace test 49 { 50 namespace detail 51 { 52 template<typename It, class Cntnr> 53 class push_pop_push_pop_functor 54 { 55 public: 56 push_pop_push_pop_functor(It ins_it_b, It ins_it_e) 57 : m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e) 58 { } 59 60 void 61 operator()(std::size_t resolution) 62 { 63 for (std::size_t i = 0; i < resolution; ++i) 64 { 65 Cntnr cntnr; 66 for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it) 67 cntnr.push((typename Cntnr::const_reference)(ins_it->first)); 68 while (!cntnr.empty()) 69 cntnr.pop(); 70 } 71 } 72 73 private: 74 const It m_ins_it_b; 75 const It m_ins_it_e; 76 }; 77 78 } // namespace detail 79 80 template<typename It> 81 class push_pop_test : private __gnu_pbds::test::detail::timing_test_base 82 { 83 public: 84 push_pop_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm) 85 : m_ins_b(ins_b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm) 86 { } 87 88 template<typename Cntnr> 89 void 90 operator()(Cntnr); 91 92 private: 93 push_pop_test(const push_pop_test&); 94 95 template<typename Cntnr> 96 void 97 push(Cntnr, It ins_it_b, It ins_it_e) 98 { 99 Cntnr cntnr; 100 for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it) 101 cntnr.push((typename Cntnr::const_reference)(*ins_it)); 102 } 103 104 const It m_ins_b; 105 const size_t m_ins_vn; 106 const size_t m_ins_vs; 107 const size_t m_ins_vm; 108 }; 109 110 111 template<typename It> 112 template<typename Cntnr> 113 void 114 push_pop_test<It>:: 115 operator()(Cntnr) 116 { 117 typedef xml_result_set_performance_formatter formatter_type; 118 formatter_type res_set_fmt(string_form<Cntnr>::name(), 119 string_form<Cntnr>::desc()); 120 121 for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i) 122 { 123 const size_t v = m_ins_vn + i * m_ins_vs; 124 It ins_it_b = m_ins_b; 125 It ins_it_e = m_ins_b; 126 std::advance(ins_it_e, v); 127 128 __gnu_pbds::test::detail::push_pop_push_pop_functor<It, Cntnr> 129 fn(ins_it_b, ins_it_e); 130 131 const double res = 132 __gnu_pbds::test::detail::timing_test_base::operator()(fn); 133 134 res_set_fmt.add_res(v, res / v); 135 } 136 } 137 } // namespace test 138} // namespace __gnu_pbds 139 140#endif 141 142