libstdc++-v3/testsuite/performance/ext/pb_ds/text_find_timing.cc

   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
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file text_find_timing_test.cpp
  44  * Contains test for finding text.
  45  */
  46
  47 #include <ext/pb_ds/detail/typelist.hpp>
  48 #include <performance/io/xml_formatter.hpp>
  49 #include <io/verified_cmd_line_input.hpp>
  50 #include <common_type/assoc/common_type.hpp>
  51 #include <performance/assoc/timing/find_test.hpp>
  52 #include <io/text_populate.hpp>
  53 #include <ext/pb_ds/detail/typelist.hpp>
  54 #include <hash_fn/string_hash_fn.hpp>
  55 #include <native_type/assoc/native_hash_map.hpp>
  56 #include <native_type/assoc/native_map.hpp>
  57 #include <iostream>
  58 #include <vector>
  59
  60 void
  61 usage();
  62
  63 int
  64 main(int argc, char* a_p_argv[])
  65 {
  66   using namespace pb_ds::test;
  67   std::string f_name = "thirty_years_among_the_dead_preproc.txt";
  68   size_t vn = 200;
  69   size_t vs = 200;
  70   size_t vm = 2100;
  71
  72   try
  73     {
  74       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  75       typedef std::vector<std::pair<std::string, char> > vec_t;
  76
  77       vec_t a_v(vm);
  78       text_populate(f_name, a_v);
  79       typedef find_test<vec_t::const_iterator, false> test_t;
  80       vec_t::const_iterator b = a_v.begin();
  81       test_t tst(b, b, vn, vs, vm, vn, vs, vm);
  82       {
  83         typedef trie_common_types<std::string, char>::performance_tl pat_trie_tl_t;
  84
  85         typedef tree_common_types<std::string, char>::performance_tl tree_tl_t;
  86
  87         typedef hash_common_types<std::string, char, string_hash_fn>::performance_tl hash_tl_t;
  88
  89         typedef pb_ds::detail::typelist_append<pat_trie_tl_t, pb_ds::detail::typelist_append<hash_tl_t, tree_tl_t>::type>::type tl_t;
  90
  91         tl_t tl;
  92         pb_ds::detail::typelist_apply(tst, tl);
  93       }
  94
  95       {
  96         typedef native_map<std::string, char> native_map_t;
  97         tst(pb_ds::detail::type_to_type<native_map_t>());
  98
  99         typedef native_hash_map<std::string, char, 8, string_hash_fn> native_hash_map_t;
 100         tst(pb_ds::detail::type_to_type<native_hash_map_t>());
 101
 102         // XXX Unfortunately, this crashes
 103 #if 0
 104 #ifdef PB_DS_USE_TR1
 105         typedef
 106           native_hash_map<
 107           std::string,
 108           char,
 109           8,
 110           string_hash_fn,
 111           std::equal_to<
 112           std::string>,
 113           std::less<
 114           std::string>,
 115           std::allocator<
 116           char>,
 117           true>
 118           sth_native_hash_map_t;
 119
 120         tst(pb_ds::detail::type_to_type<sth_native_hash_map_t>());
 121 #endif // #ifdef PB_DS_USE_TR1
 122 #endif // #if 0
 123       }
 124     }
 125   catch(...)
 126     {
 127       std::cerr << "Test failed" << std::endl;
 128       return -1;
 129     }
 130   return 0;
 131 }
 132
 133 void
 134 usage()
 135 {
 136   using namespace std;
 137   cerr << "usage: text_find_timing_test <f_name> <vn> <vs> <vm>" <<
 138     endl << endl;
 139
 140   cerr <<
 141     "This test checks the performance of various associative containers "
 142     "using their find method. " << endl;
 143   cerr << "Specifically, it does the following:" << endl;
 144   cerr << "*  Creates a vector of text words " << endl;
 145   cerr << "*  Inserts the elements into the container" << endl;
 146   cerr << "*  Performs a sequence of find operations. At each iteration, "
 147     "it finds, for each word in the vector, its entry in the "
 148     "container, using the find method" << endl;
 149   cerr << "*  Repeats the above test a number of times) "
 150             << endl;
 151
 152   cerr << endl << endl;
 153
 154   cerr << "f_name = file name containing the text words. "
 155     "Each line should contain one word." << endl;
 156   cerr << "vn = minimum size of the vector" << endl;
 157   cerr << "vs = step size of the vector" << endl;
 158   cerr << "vm = maximum size of the vector" << endl;
 159 }