libstdc++-v3/testsuite/performance/ext/pb_ds/tree_text_lor_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.
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  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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  40 // warranty.
  41
  42 /**
  43  * @file tree_text_lor_find_timing_test.cpp
  44  * Contains test for finding text with locality of reference.
  45  */
  46
  47 #include <ext/typelist.h>
  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 <native_type/assoc/native_map.hpp>
  54 #include <iostream>
  55 #include <vector>
  56
  57 void
  58 usage();
  59
  60 int
  61 main(int argc, char* a_p_argv[])
  62 {
  63   using namespace __gnu_pbds::test;
  64
  65   std::string f_name = "thirty_years_among_the_dead_preproc.txt";
  66   size_t vn = 200;
  67   size_t vs = 200;
  68   size_t vm = 2100;
  69
  70   try
  71     {
  72       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  73
  74       typedef std::vector<std::pair<std::string, char> > vec_t;
  75       vec_t a_v(vm);
  76       text_populate(f_name, a_v);
  77
  78       typedef find_test<vec_t::const_iterator, true> test_t;
  79       vec_t::const_iterator b = a_v.begin();
  80       test_t tst(b, b, vn, vs, vm, vn, vs, vm);
  81       {
  82         typedef native_map<std::string, char> native_set_t;
  83         tst(native_set_t());
  84       }
  85
  86       {
  87         typedef tree_common_types<std::string, char>::performance_tl tree_tl_t;
  88         tree_tl_t tl;
  89         __gnu_cxx::typelist::apply(tst, tl);
  90       }
  91     }
  92   catch(...)
  93     {
  94       std::cerr << "Test failed" << std::endl;
  95       return -1;
  96     }
  97   return 0;
  98 }
  99
 100 void
 101 usage()
 102 {
 103   using namespace std;
 104   cerr << "usage: tree_text_lor_find_performance_test <f_name> <vn> <vs> <vm>"
 105        << endl << endl;
 106
 107   cerr <<
 108     "This test checks the performance of various associative containers "
 109     "using their find method. " << endl;
 110   cerr << "Specifically, it does the following:" << endl;
 111   cerr << "*  Creates a vector of text words " << endl;
 112   cerr << "*  Inserts the elements into the container" << endl;
 113   cerr << "*  Performs a sequence of find operations. At each iteration, "
 114     "it finds, for each word in the vector, its entry in the "
 115     "container, using the find method" << endl;
 116   cerr << "*  Repeats the above test a number of times" << endl;
 117
 118   cerr << endl << endl;
 119
 120   cerr << "f_name = file name containing the text words. "
 121     "Each line should contain one word." << endl;
 122   cerr << "vn = minimum size of the vector" << endl;
 123   cerr << "vs = step size of the vector" << endl;
 124   cerr << "vm = maximum size of the vector" << endl;
 125 }