libstdc++-v3/testsuite/performance/ext/pb_ds/multimap_text_insert.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2024 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_text_insert_timing_test.cpp
  34  * Contains test for inserting text words.
  35  */
  36
  37 #include <ext/typelist.h>
  38 #include <io/text_populate.hpp>
  39 #include <performance/io/xml_formatter.hpp>
  40 #include <native_type/native_hash_multimap.hpp>
  41 #include <native_type/native_multimap.hpp>
  42 #include <io/verified_cmd_line_input.hpp>
  43 #include <testsuite_rng.h>
  44 #include <common_type/assoc/common_type.hpp>
  45 #include <performance/assoc/timing/multimap_insert_test.hpp>
  46 #include <performance/assoc/multimap_common_type.hpp>
  47 #include <hash_fn/string_hash_fn.hpp>
  48 #include <iostream>
  49 #include <vector>
  50
  51 void
  52 usage();
  53
  54 void
  55 set_test_parameters(size_t& n, size_t&s, size_t& m, size_t& prm);
  56
  57 int
  58 main(int argc, char* a_p_argv[])
  59 {
  60   using namespace __gnu_pbds::test;
  61
  62   std::string f_name = "thirty_years_among_the_dead_preproc.txt";
  63   size_t prm;
  64   size_t ratio_n;
  65   size_t ratio_s;
  66   size_t ratio_m;
  67
  68   set_test_parameters(prm, ratio_n, ratio_s, ratio_m);
  69
  70   try
  71     {
  72       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  73
  74       typedef std::vector<std::pair<std::string, int> > vec_t;
  75       vec_t a_v_init(prm);
  76       distinct_text_populate(f_name, a_v_init);
  77
  78       vec_t a_v;
  79       twister_rand_gen g;
  80       for (size_t i = 0; i < ratio_m; ++i)
  81         for (size_t j = 0; j < a_v_init.size(); ++j)
  82           a_v.push_back(std::make_pair(a_v_init[j].first,
  83                                        static_cast<int>(g.get_unsigned_long())));
  84
  85       vec_t::const_iterator b = a_v.begin();
  86       {
  87         typedef mmap_tl_t<std::string, int, std::allocator<char> >::type mmap_tl_tl;
  88         mmap_tl_tl tl;
  89         typedef multimap_insert_test<vec_t::const_iterator, false> test_type;
  90         test_type tst(b, prm*  ratio_n, prm*  ratio_s, prm*  ratio_m);
  91         __gnu_cxx::typelist::apply(tst, tl);
  92       }
  93
  94       {
  95         typedef native_hash_multimap<std::string, int, 8, string_hash_fn> native_t;
  96         typedef multimap_insert_test<vec_t::const_iterator, true> test_type;
  97         test_type tst(b,  prm*  ratio_n, prm*  ratio_s, prm*  ratio_m);
  98         tst(native_t());
  99       }
 100
 101       {
 102         typedef native_multimap<std::string, int> native_t;
 103         typedef multimap_insert_test<vec_t::const_iterator, true> test_type;
 104         test_type tst(b, prm* ratio_n, prm* ratio_s, prm* ratio_m);
 105         tst(native_t());
 106       }
 107     }
 108   catch (...)
 109     {
 110       std::cerr << "Test failed" << std::endl;
 111       return -1;
 112     }
 113   return 0;
 114 }
 115
 116 void
 117 usage()
 118 {
 119   using namespace std;
 120   cerr << "usage: multimap_text_insert_test.out <prm> <ratio_n> <ratio_s> <ratio_m>" <<
 121     endl << endl;
 122
 123   cerr <<
 124     "This test checks the performance of various associative containers "
 125     "using their insert method. " << endl;
 126   cerr << "Specifically, it does the following:"    << endl;
 127   cerr << "*  Creates a vector of pairs of text words"    << endl;
 128   cerr << "*  Inserts the elements into the container"    << endl;
 129   cerr << "*  Repeats the above test a number of times" << endl;
 130
 131   cerr << endl << endl;
 132
 133   cerr << "prm = maximum size of distinct pair-first entries" << endl;
 134   cerr << "ratio_n = minimum ratio of secondary keys to primary keys" << endl;
 135   cerr << "ratio_s = step ratio of secondary keys to primary keys" << endl;
 136   cerr << "ratio_m = maximum ratio of secondary keys to primary keys" << endl;
 137 }