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// Copyright (C) 2003, 2004, 2005 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/*
* The goal with this application is to compare the performance
* between different std::allocator implementations. The results are
* influenced by the underlying allocator in the "C" library, malloc.
*/
// 2003-02-05 Stefan Olsson <stefan@snon.net>
#include <vector>
#include <list>
#include <map>
#include <deque>
#include <set>
#include <typeinfo>
#include <sstream>
#include <ext/mt_allocator.h>
#include <ext/new_allocator.h>
#include <ext/malloc_allocator.h>
#include <ext/bitmap_allocator.h>
#include <ext/pool_allocator.h>
#include <cxxabi.h>
#include <testsuite_performance.h>
using namespace std;
typedef int test_type;
// The number of iterations to be performed.
int iterations = 10000;
// The number of values to insert in the container, 32 will cause 5
// (re)allocations to be performed (sizes 4, 8, 16, 32 and 64)
// This means that all allocations are within _MAX_BYTES = 128 as
// defined in stl_alloc.h for __pool_alloc. Whether or not this
// value is relevant in "the real world" or not I don't know and
// should probably be investigated in more detail.
int insert_values = 128;
template<typename TestType>
struct value_type : public pair<TestType, TestType>
{
value_type() : pair<TestType, TestType>(0, 0) { }
inline value_type operator++() { return ++this->first, *this; }
inline operator TestType() const { return this->first; }
};
template<typename Container>
void
do_loop()
{
Container obj;
int test_iterations = 0;
value_type<test_type> test_value;
while (test_iterations < iterations)
{
for (int j = 0; j < insert_values; ++j)
obj.insert(obj.end(), ++test_value);
++test_iterations;
}
}
template<typename Container>
void*
do_test(void* p = NULL)
{
do_loop<Container>();
return p;
}
template<typename Container>
void
test_container(Container obj, bool run_threaded = false)
{
using namespace __gnu_test;
int status;
time_counter time;
resource_counter resource;
{
start_counters(time, resource);
if (!run_threaded)
{
do_loop<Container>();
}
else
{
#if defined (_GLIBCXX_GCC_GTHR_POSIX_H) && !defined (NOTHREAD)
pthread_t t1, t2, t3, t4;
pthread_create(&t1, 0, &do_test<Container>, 0);
pthread_create(&t2, 0, &do_test<Container>, 0);
pthread_create(&t3, 0, &do_test<Container>, 0);
pthread_create(&t4, 0, &do_test<Container>, 0);
pthread_join(t1, NULL);
pthread_join(t2, NULL);
pthread_join(t3, NULL);
pthread_join(t4, NULL);
#endif
}
stop_counters(time, resource);
std::ostringstream comment;
if (run_threaded)
comment << "4-way threaded iterations: " << iterations*4 << '\t';
else
comment << "iterations: " << iterations << '\t';
comment << "type: " << abi::__cxa_demangle(typeid(obj).name(),
0, 0, &status);
report_header(__FILE__, comment.str());
report_performance(__FILE__, string(), time, resource);
}
}
// http://gcc.gnu.org/ml/libstdc++/2001-05/msg00105.html
// http://gcc.gnu.org/ml/libstdc++/2003-05/msg00231.html
int main(void)
{
typedef __gnu_cxx::malloc_allocator<test_type> m_alloc_type;
typedef __gnu_cxx::new_allocator<test_type> n_alloc_type;
typedef __gnu_cxx::__mt_alloc<test_type> so_alloc_type;
typedef __gnu_cxx::bitmap_allocator<test_type> bit_alloc_type;
typedef __gnu_cxx::__pool_alloc<test_type> po_alloc_type;
#ifdef TEST_B0
test_container(vector<test_type, m_alloc_type>());
#endif
#ifdef TEST_B1
test_container(vector<test_type, n_alloc_type>());
#endif
#ifdef TEST_B2
test_container(vector<test_type, so_alloc_type>());
#endif
#ifdef TEST_B3
test_container(vector<test_type, bit_alloc_type>());
#endif
#ifdef TEST_B4
test_container(vector<test_type, po_alloc_type>());
#endif
#ifdef TEST_B5
test_container(list<test_type, m_alloc_type>());
#endif
#ifdef TEST_B6
test_container(list<test_type, n_alloc_type>());
#endif
#ifdef TEST_B7
test_container(list<test_type, so_alloc_type>());
#endif
#ifdef TEST_B8
test_container(list<test_type, bit_alloc_type>());
#endif
#ifdef TEST_B9
test_container(list<test_type, po_alloc_type>());
#endif
#ifdef TEST_B10
test_container(deque<test_type, m_alloc_type>());
#endif
#ifdef TEST_B11
test_container(deque<test_type, n_alloc_type>());
#endif
#ifdef TEST_B12
test_container(deque<test_type, so_alloc_type>());
#endif
#ifdef TEST_B13
test_container(deque<test_type, bit_alloc_type>());
#endif
#ifdef TEST_B14
test_container(deque<test_type, po_alloc_type>());
#endif
typedef less<test_type> compare_type;
typedef pair<const test_type, test_type> pair_type;
typedef __gnu_cxx::malloc_allocator<pair_type> m_pair_alloc_type;
typedef __gnu_cxx::new_allocator<pair_type> n_pair_alloc_type;
typedef __gnu_cxx::__mt_alloc<pair_type> so_pair_alloc_type;
typedef __gnu_cxx::bitmap_allocator<pair_type> bit_pair_alloc_type;
typedef __gnu_cxx::__pool_alloc<pair_type> po_pair_alloc_type;
#ifdef TEST_B15
test_container(map<test_type, test_type, compare_type,
m_pair_alloc_type>());
#endif
#ifdef TEST_B16
test_container(map<test_type, test_type, compare_type,
n_pair_alloc_type>());
#endif
#ifdef TEST_B17
test_container(map<test_type, test_type, compare_type,
so_pair_alloc_type>());
#endif
#ifdef TEST_B18
test_container(map<test_type, test_type, compare_type,
bit_pair_alloc_type>());
#endif
#ifdef TEST_B19
test_container(map<test_type, test_type, compare_type,
po_pair_alloc_type>());
#endif
#ifdef TEST_B20
test_container(set<test_type, compare_type, m_alloc_type>());
#endif
#ifdef TEST_B21
test_container(set<test_type, compare_type, n_alloc_type>());
#endif
#ifdef TEST_B22
test_container(set<test_type, compare_type, so_alloc_type>());
#endif
#ifdef TEST_B23
test_container(set<test_type, compare_type, bit_alloc_type>());
#endif
#ifdef TEST_B24
test_container(set<test_type, compare_type, po_alloc_type>());
#endif
#ifdef TEST_T0
test_container(vector<test_type, m_alloc_type>(), true);
#endif
#ifdef TEST_T1
test_container(vector<test_type, n_alloc_type>(), true);
#endif
#ifdef TEST_T2
test_container(vector<test_type, so_alloc_type>(), true);
#endif
#ifdef TEST_T3
test_container(vector<test_type, bit_alloc_type>(), true);
#endif
#ifdef TEST_T4
test_container(vector<test_type, po_alloc_type>(), true);
#endif
#ifdef TEST_T5
test_container(list<test_type, m_alloc_type>(), true);
#endif
#ifdef TEST_T6
test_container(list<test_type, n_alloc_type>(), true);
#endif
#ifdef TEST_T7
test_container(list<test_type, so_alloc_type>(), true);
#endif
#ifdef TEST_T8
test_container(list<test_type, bit_alloc_type>(), true);
#endif
#ifdef TEST_T9
test_container(list<test_type, po_alloc_type>(), true);
#endif
#ifdef TEST_T10
test_container(deque<test_type, m_alloc_type>(), true);
#endif
#ifdef TEST_T11
test_container(deque<test_type, n_alloc_type>(), true);
#endif
#ifdef TEST_T12
test_container(deque<test_type, so_alloc_type>(), true);
#endif
#ifdef TEST_T13
test_container(deque<test_type, bit_alloc_type>(), true);
#endif
#ifdef TEST_T14
test_container(deque<test_type, po_alloc_type>(), true);
#endif
#ifdef TEST_T15
test_container(map<test_type, test_type, compare_type,
m_pair_alloc_type>(), true);
#endif
#ifdef TEST_T16
test_container(map<test_type, test_type, compare_type,
n_pair_alloc_type>(), true);
#endif
#ifdef TEST_T17
test_container(map<test_type, test_type, compare_type,
so_pair_alloc_type>(), true);
#endif
#ifdef TEST_T18
test_container(map<test_type, test_type, compare_type,
bit_pair_alloc_type>(), true);
#endif
#ifdef TEST_T19
test_container(map<test_type, test_type, compare_type,
po_pair_alloc_type>(), true);
#endif
#ifdef TEST_T20
test_container(set<test_type, compare_type, m_alloc_type>(), true);
#endif
#ifdef TEST_T21
test_container(set<test_type, compare_type, n_alloc_type>(), true);
#endif
#ifdef TEST_T22
test_container(set<test_type, compare_type, so_alloc_type>(), true);
#endif
#ifdef TEST_T23
test_container(set<test_type, compare_type, bit_alloc_type>(), true);
#endif
#ifdef TEST_T24
test_container(set<test_type, compare_type, po_alloc_type>(), true);
#endif
return 0;
}