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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2013 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 priority_queue_text_join_timing_test.cpp
  34  * Contains test for finding text.
  35  */
  36
  37 #include <ext/typelist.h>
  38 #include <performance/io/xml_formatter.hpp>
  39 #include <io/verified_cmd_line_input.hpp>
  40 #include <common_type/priority_queue/common_type.hpp>
  41 #include <performance/priority_queue/timing/join_test.hpp>
  42 #include <io/text_populate.hpp>
  43 #include <native_type/native_priority_queue.hpp>
  44 #include <iostream>
  45 #include <vector>
  46
  47 void
  48 usage()
  49 {
  50   using namespace std;
  51   cerr << "usage: priority_queue_text_join_timing_test <f_name> <vn> <vs> <vm>";
  52   cerr << endl << endl;
  53
  54   cerr << "This test checks the performance of various priority_queueiative containers "
  55     "using their join method. " << endl;
  56   cerr << "Specifically, it does the following:" << endl;
  57   cerr << "*  Creates a vector of text words " << endl;
  58   cerr << "*  Pushes the elements into two containers" << endl;
  59   cerr << "*  Joins the two containers (and measures this time)" << endl;
  60   cerr << "*  Repeats the above test a number of times " << endl;
  61   cerr << endl << endl;
  62
  63   cerr << "f_name = file name containing the text words. "
  64     "Each line should contain one word." << endl;
  65   cerr << "vn = minimum size of the vector" << endl;
  66   cerr << "vs = step size of the vector" << endl;
  67   cerr << "vm = maximum size of the vector" << endl;
  68 }
  69
  70 int
  71 main(int argc, char* a_p_argv[])
  72 {
  73   using namespace __gnu_pbds::test;
  74
  75   std::string f_name = "thirty_years_among_the_dead_preproc.txt";
  76   size_t vn = 200;
  77   size_t vs = 200;
  78   size_t vm = 2100;
  79
  80   try
  81     {
  82       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  83
  84       typedef std::vector<std::pair<std::string, char> > vec_t;
  85       vec_t a_v(vm);
  86       text_populate(f_name, a_v);
  87
  88       typedef join_test<vec_t::const_iterator> test_t;
  89       vec_t::const_iterator b = a_v.begin();
  90       test_t tst(b, vn, vs, vm);
  91       {
  92         typedef pq_common_types<std::string>::performance_tl pq_tl_t;
  93         pq_tl_t tl;
  94         __gnu_cxx::typelist::apply(tst, tl);
  95       }
  96
  97       {
  98         typedef native_priority_queue<std::string, true> native_pq_t;
  99         tst(native_pq_t());
 100       }
 101
 102       {
 103         typedef native_priority_queue<std::string, false> native_pq_t;
 104         tst(native_pq_t());
 105       }
 106     }
 107   catch(...)
 108     {
 109       std::cerr << "Test failed" << std::endl;
 110       return -1;
 111     }
 112   return 0;
 113 }