libstdc++-v3/testsuite/performance/ext/pb_ds/tree_split_join_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
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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
  35 // notice appears in all copies, and that both that copyright notice
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  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
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  40 // warranty.
  41
  42 /**
  43  * @file tree_split_join_timing_test.cpp
  44  * Contains test for joining trees.
  45  */
  46
  47 #include <ext/typelist.h>
  48 #include <performance/io/xml_formatter.hpp>
  49 #include <io/verified_cmd_line_input.hpp>
  50 #include <rng/twister_rand_gen.hpp>
  51 #include <common_type/assoc/common_type.hpp>
  52 #include <performance/assoc/timing/tree_split_join_test.hpp>
  53 #include <iostream>
  54 #include <vector>
  55
  56 void
  57 usage();
  58
  59 int
  60 main(int argc, char* a_p_argv[])
  61 {
  62   using namespace __gnu_pbds::test;
  63   size_t vn = 200;
  64   size_t vs = 200;
  65   size_t vm = 2100;
  66
  67   try
  68     {
  69       xml_test_performance_formatter fmt("Size", "Average time (sec.)");
  70
  71       {
  72         typedef tree_split_join_test<true> test_t;
  73         test_t tst(vn, vs, vm);
  74
  75         typedef tree_common_types<int, __gnu_pbds::null_mapped_type>::performance_tl tl_t;
  76         tl_t tl;
  77         __gnu_cxx::typelist::apply(tst, tl);
  78       }
  79
  80       {
  81         typedef tree_split_join_test<false> test_t;
  82         test_t tst(vn, vs, vm);
  83         typedef native_set<int> native_set_t;
  84         tst(native_set_t());
  85       }
  86     }
  87   catch(...)
  88     {
  89       std::cerr << "Test failed" << std::endl;
  90       return -1;
  91     }
  92   return 0;
  93 }
  94
  95 void
  96 usage()
  97 {
  98   using namespace std;
  99   cerr << "usage: tree_split_join_test.cpp <vn> <vs> <vm>" <<
 100     endl << endl;
 101
 102   cerr << "This test checks the performance of splitting joining"
 103           "tree based containers. " << endl;
 104   cerr << "Specifically, it does the following:" << endl;
 105   cerr << "*  Creates a tree " << endl;
 106   cerr << "*  Inserts integers into the tree" << endl;
 107   cerr << "*  Splits half the tree into a different tree" << endl;
 108   cerr << "*  Joins the trees" << endl;
 109   cerr << "*  Repeats the above test a given number of times) "
 110             << endl;
 111
 112   cerr << endl << endl;
 113
 114   cerr << "vn = minimum size of the tree" << endl;
 115   cerr << "vs = step size of the tree" << endl;
 116   cerr << "vm = maximum size of the tree" << endl;
 117 }