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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 2, 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 COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
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  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
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  40 // warranty.
  41
  42 /**
  43  * @file multimap_insert_test.hpp
  44  * Contains a generic multimap_insert_test test.
  45  */
  46
  47 #ifndef PB_DS_MULTIMAP_INSERT_TEST_HPP
  48 #define PB_DS_MULTIMAP_INSERT_TEST_HPP
  49
  50 #include <iterator>
  51 #include <ext/pb_ds/detail/type_utils.hpp>
  52 #include <testsuite_allocator.h>
  53 #include <performance/io/xml_formatter.hpp>
  54 #include <common_type/assoc/string_form.hpp>
  55
  56 namespace __gnu_pbds
  57 {
  58   namespace test
  59   {
  60     template<typename It, bool Native>
  61     class multimap_insert_test
  62     {
  63     public:
  64       multimap_insert_test(It b, size_t ins_vn, size_t ins_vs, size_t ins_vm):
  65       m_ins_b(b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)
  66       { }
  67
  68       template<typename Cntnr>
  69       void
  70       operator()(Cntnr);
  71
  72     private:
  73       multimap_insert_test(const multimap_insert_test&);
  74
  75       template<typename Cntnr>
  76       size_t
  77       insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type);
  78
  79       template<typename Cntnr>
  80       size_t
  81       insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type);
  82
  83       const It m_ins_b;
  84       const size_t m_ins_vn;
  85       const size_t m_ins_vs;
  86       const size_t m_ins_vm;
  87     };
  88
  89     template<typename It, bool Native>
  90     template<typename Cntnr>
  91     void
  92     multimap_insert_test<It, Native>::
  93     operator()(Cntnr)
  94     {
  95       typedef xml_result_set_performance_formatter formatter_type;
  96       formatter_type res_set_fmt(string_form<Cntnr>::name(),
  97                                  string_form<Cntnr>::desc());
  98
  99       for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
 100         {
 101           const size_t ins_size = m_ins_vn + i * m_ins_vs;
 102           It ins_it_b = m_ins_b;
 103           It ins_it_e = m_ins_b;
 104           std::advance(ins_it_e, ins_size);
 105
 106           const size_t delta_mem = insert(Cntnr(), ins_it_b, ins_it_e,
 107                                           __gnu_pbds::detail::integral_constant<int,Native>());
 108
 109           res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem));
 110         }
 111     }
 112
 113     template<typename It, bool Native>
 114     template<typename Cntnr>
 115     size_t
 116     multimap_insert_test<It, Native>::
 117     insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::true_type)
 118     {
 119       typedef __gnu_test::tracker_allocator_counter counter_type;
 120       __gnu_test::tracker_allocator<char> alloc;
 121       const size_t init_mem = counter_type::get_allocation_count()
 122                               - counter_type::get_deallocation_count();
 123       Cntnr cntnr;
 124       for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
 125         cntnr.insert((typename Cntnr::const_reference)(*ins_it));
 126       const size_t final_mem = counter_type::get_allocation_count()
 127                                - counter_type::get_deallocation_count();
 128       assert(final_mem > init_mem);
 129       return (final_mem - init_mem);
 130     }
 131
 132     template<typename It, bool Native>
 133     template<typename Cntnr>
 134     size_t
 135     multimap_insert_test<It, Native>::
 136     insert(Cntnr, It ins_it_b, It ins_it_e, __gnu_pbds::detail::false_type)
 137     {
 138       typedef __gnu_test::tracker_allocator_counter counter_type;
 139       __gnu_test::tracker_allocator<char> alloc;
 140       const size_t init_mem = counter_type::get_allocation_count()
 141                               - counter_type::get_deallocation_count();
 142       Cntnr cntnr;
 143       for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
 144         cntnr[ins_it->first].insert(ins_it->second);
 145       const size_t final_mem =  counter_type::get_allocation_count()
 146                                 - counter_type::get_deallocation_count();
 147       assert(final_mem > init_mem);
 148       return (final_mem - init_mem);
 149     }
 150   } // namespace test
 151 } // namespace __gnu_pbds
 152
 153 #endif
 154