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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2009, 2011 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 tree_order_statistics_timing_test.cpp
  34  * Contains test for order_statisticsing trees.
  35  */
  36
  37 #include <iostream>
  38 #include <vector>
  39 #include <ext/typelist.h>
  40 #include <performance/io/xml_formatter.hpp>
  41 #include <io/verified_cmd_line_input.hpp>
  42 #include <testsuite_rng.h>
  43 #include <common_type/assoc/common_type.hpp>
  44 #include <performance/assoc/timing/tree_order_statistics_test.hpp>
  45
  46 void
  47 usage();
  48
  49 int
  50 main(int argc, char* a_p_argv[])
  51 {
  52   using namespace __gnu_pbds::test;
  53   size_t vn = 200;
  54   size_t vs = 200;
  55   size_t vm = 2100;
  56
  57   try
  58     {
  59       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  60
  61       {
  62         typedef tree_order_statistics_test< true> test_t;
  63         test_t tst(vn, vs, vm);
  64         typedef tree_common_types<int, __gnu_pbds::null_type, std::less<int>, __gnu_pbds::tree_order_statistics_node_update>::performance_tl tl_t;
  65         tl_t tl;
  66         __gnu_cxx::typelist::apply(tst, tl);
  67       }
  68
  69       {
  70         typedef tree_order_statistics_test<false> test_t;
  71         test_t tst(vn, vs, vm);
  72         typedef native_set<int> native_set_t;
  73         tst(native_set_t());
  74       }
  75     }
  76   catch(...)
  77     {
  78       std::cerr << "Test failed" << std::endl;
  79       return -1;
  80     }
  81   return 0;
  82 }
  83
  84 void
  85 usage()
  86 {
  87   using namespace std;
  88   cerr << "usage: tree_order_statistics_timing_test.out <vn> <vs> <vm>" <<
  89     endl << endl;
  90
  91   cerr << "This test checks the performance of order statistics"
  92     " in tree based containers. " << endl;
  93   cerr << "Specifically, it does the following:" << endl;
  94   cerr << "*  Creates a tree" << endl;
  95   cerr << "*  Inserts integers into the tree" << endl;
  96   cerr << "*  Checks the order-statistics of each entry in the tree" << endl;
  97   cerr << "*  Repeats the above test some times"
  98             << endl;
  99
 100   cerr << endl << endl;
 101
 102   cerr << "vn = minimum size of the tree" << endl;
 103   cerr << "vs = step size of the tree" << endl;
 104   cerr << "vm = maximum size of the tree" << endl;
 105 }