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// Copyright (C) 2006, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <tr1/unordered_map>

#include <testsuite_performance.h>

typedef std::tr1::unordered_map<int, int> map_type;

typedef std::tr1::unordered_map<int, map_type> matrix_type;

int main()

{

  using namespace __gnu_test;

  time_counter time;

  resource_counter resource;

  const int sz = 1000;

  matrix_type matrix;

  start_counters(time, resource);

  for (int iter = 0; iter < 50; ++iter)

    {

      for (int i = 0; i < sz; ++i)

        {

          for (int j = 0; j < sz; ++j)

            {

              map_type& row = matrix[i / 4];

              ++row[j / 4];

            }

        }

    }

  stop_counters(time, resource);

  report_performance(__FILE__, "", time, resource);

  return 0;

}