libstdc++-v3/testsuite/performance/ext/pb_ds/multimap_text_find_timing.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
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  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
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  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
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  40 // warranty.
  41
  42 /**
  43  * @file multimap_text_find_timing_test.cpp
  44  * Contains test for inserting text words.
  45  */
  46
  47 #include <ext/typelist.h>
  48 #include <io/text_populate.hpp>
  49 #include <performance/io/xml_formatter.hpp>
  50 #include <native_type/native_hash_multimap.hpp>
  51 #include <native_type/native_multimap.hpp>
  52 #include <io/verified_cmd_line_input.hpp>
  53 #include <testsuite_rng.h>
  54 #include <common_type/assoc/common_type.hpp>
  55 #include <performance/assoc/timing/multimap_find_test.hpp>
  56 #include <performance/assoc/multimap_common_type.hpp>
  57 #include <hash_fn/string_hash_fn.hpp>
  58 #include <iostream>
  59 #include <vector>
  60
  61 void
  62 usage();
  63
  64 void
  65 set_test_parameters(size_t& n, size_t&s, size_t& m, size_t& prm);
  66
  67 int
  68 main(int argc, char* a_p_argv[])
  69 {
  70   using namespace __gnu_pbds::test;
  71
  72   std::string f_name = "thirty_years_among_the_dead_preproc.txt";
  73   size_t prm;
  74   size_t ratio_n;
  75   size_t ratio_s;
  76   size_t ratio_m;
  77
  78
  79   set_test_parameters(prm, ratio_n, ratio_s, ratio_m);
  80
  81   try
  82     {
  83       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  84
  85       typedef std::vector<std::pair<std::string, int> > vec_t;
  86       vec_t a_v_init(prm);
  87       distinct_text_populate(f_name, a_v_init);
  88
  89       vec_t a_v;
  90       twister_rand_gen g;
  91       for (size_t i = 0; i < ratio_m; ++i)
  92         for (size_t j = 0; j < a_v_init.size(); ++j)
  93           a_v.push_back(std::make_pair(a_v_init[j].first,
  94                                        static_cast<int>(g.get_unsigned_long())));
  95
  96       vec_t::const_iterator b = a_v.begin();
  97       {
  98         typedef mmap_tl_t<std::string, int, std::allocator<char> >::type mmap_tl_tl;
  99         mmap_tl_tl tl;
 100
 101         typedef multimap_find_test<vec_t::const_iterator, false> test_type;
 102         test_type tst(b, prm* ratio_n, prm* ratio_s, prm* ratio_m);
 103         __gnu_cxx::typelist::apply(tst, tl);
 104       }
 105
 106       {
 107         typedef native_hash_multimap<std::string, int, 8, string_hash_fn> native_t;
 108         typedef multimap_find_test<vec_t::const_iterator, true> test_type;
 109         test_type tst(b, prm* ratio_n, prm* ratio_s, prm* ratio_m);
 110         tst(native_t());
 111       }
 112
 113       {
 114         typedef native_multimap<std::string, int> native_t;
 115         typedef multimap_find_test<vec_t::const_iterator, true> test_type;
 116         test_type tst(b, prm* ratio_n, prm* ratio_s, prm* ratio_m);
 117         tst(native_t());
 118       }
 119     }
 120   catch (...)
 121     {
 122       std::cerr << "Test failed" << std::endl;
 123       return -1;
 124     }
 125   return 0;
 126 }
 127
 128 void
 129 usage()
 130 {
 131   using namespace std;
 132   cerr << "usage: multimap_text_insert_test.out <prm> <ratio_n> <ratio_s> <ratio_m>"
 133        << endl << endl;
 134
 135   cerr << "This test checks the performance of various associative containers "
 136           "using their insert method. " << endl;
 137   cerr << "Specifically, it does the following:" << endl;
 138   cerr << "*  Creates a vector of pairs of text words" << endl;
 139   cerr << "*  Inserts the elements into the container" << endl;
 140   cerr << "*  Repeats the above test a number of times" << endl;
 141   cerr << endl << endl;
 142
 143   cerr << "prm = maximum size of distinct pair-first entries" << endl;
 144   cerr << "ratio_n = minimum ratio of secondary keys to primary keys" << endl;
 145   cerr << "ratio_s = step ratio of secondary keys to primary keys" << endl;
 146   cerr << "ratio_m = maximum ratio of secondary keys to primary keys" << endl;
 147 }