libstdc++-v3/testsuite/util/performance/assoc/mem_usage/multimap_insert_test.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2013 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 multimap_insert_test.hpp
  34  * Contains a generic multimap_insert_test test.
  35  */
  36
  37 #ifndef PB_DS_MULTIMAP_INSERT_TEST_HPP
  38 #define PB_DS_MULTIMAP_INSERT_TEST_HPP
  39
  40 #include <iterator>
  41 #include <ext/pb_ds/detail/type_utils.hpp>
  42 #include <testsuite_allocator.h>
  43 #include <performance/io/xml_formatter.hpp>
  44 #include <common_type/assoc/string_form.hpp>
  45
  46 namespace __gnu_pbds
  47 {
  48   namespace test
  49   {
  50     template<typename It, bool Native>
  51     class multimap_insert_test
  52     {
  53     public:
  54       multimap_insert_test(It b, size_t ins_vn, size_t ins_vs, size_t ins_vm):
  55       m_ins_b(b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)
  56       { }
  57
  58       template<typename Cntnr>
  59       void
  60       operator()(Cntnr);
  61
  62     private:
  63       multimap_insert_test(const multimap_insert_test&);
  64
  65       template<typename Cntnr>
  66       size_t
  67       insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type);
  68
  69       template<typename Cntnr>
  70       size_t
  71       insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type);
  72
  73       const It m_ins_b;
  74       const size_t m_ins_vn;
  75       const size_t m_ins_vs;
  76       const size_t m_ins_vm;
  77     };
  78
  79     template<typename It, bool Native>
  80     template<typename Cntnr>
  81     void
  82     multimap_insert_test<It, Native>::
  83     operator()(Cntnr)
  84     {
  85       typedef xml_result_set_performance_formatter formatter_type;
  86       formatter_type res_set_fmt(string_form<Cntnr>::name(),
  87                                  string_form<Cntnr>::desc());
  88
  89       for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
  90         {
  91           const size_t ins_size = m_ins_vn + i * m_ins_vs;
  92           It ins_it_b = m_ins_b;
  93           It ins_it_e = m_ins_b;
  94           std::advance(ins_it_e, ins_size);
  95
  96           const size_t delta_mem = insert(Cntnr(), ins_it_b, ins_it_e,
  97                                           __gnu_pbds::detail::integral_constant<int,Native>());
  98
  99           res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem));
 100         }
 101     }
 102
 103     template<typename It, bool Native>
 104     template<typename Cntnr>
 105     size_t
 106     multimap_insert_test<It, Native>::
 107     insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type)
 108     {
 109       typedef __gnu_test::tracker_allocator_counter counter_type;
 110       __gnu_test::tracker_allocator<char> alloc;
 111       const size_t init_mem = counter_type::get_allocation_count()
 112                               - counter_type::get_deallocation_count();
 113       Cntnr cntnr;
 114       for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
 115         cntnr.insert((typename Cntnr::const_reference)(*ins_it));
 116       const size_t final_mem = counter_type::get_allocation_count()
 117                                - counter_type::get_deallocation_count();
 118       assert(final_mem > init_mem);
 119       return (final_mem - init_mem);
 120     }
 121
 122     template<typename It, bool Native>
 123     template<typename Cntnr>
 124     size_t
 125     multimap_insert_test<It, Native>::
 126     insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type)
 127     {
 128       typedef __gnu_test::tracker_allocator_counter counter_type;
 129       __gnu_test::tracker_allocator<char> alloc;
 130       const size_t init_mem = counter_type::get_allocation_count()
 131                               - counter_type::get_deallocation_count();
 132       Cntnr cntnr;
 133       for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
 134         cntnr[ins_it->first].insert(ins_it->second);
 135       const size_t final_mem =  counter_type::get_allocation_count()
 136                                 - counter_type::get_deallocation_count();
 137       assert(final_mem > init_mem);
 138       return (final_mem - init_mem);
 139     }
 140   } // namespace test
 141 } // namespace __gnu_pbds
 142
 143 #endif
 144