3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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
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.
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.
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
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
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31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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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44 * Contains a join performance test.
47 #ifndef PB_DS_JOIN_TEST_HPP
48 #define PB_DS_JOIN_TEST_HPP
50 #include <performance/time/timing_test_base.hpp>
51 #include <ext/pb_ds/detail/type_utils.hpp>
52 #include <performance/io/xml_formatter.hpp>
53 #include <common_type/priority_queue/string_form.hpp>
62 template<typename It, typename Cntnr>
63 class double_push_functor
69 double_push_functor(It b, It e) : _M_begin(b), _M_end(e) { }
72 operator()(std::size_t resolution)
74 typedef typename Cntnr::const_reference const_reference;
75 for (std::size_t n = 0; n < resolution; ++n)
79 for (It it = _M_begin; it != _M_end; ++it)
81 c0.push(const_reference(it->first));
82 c1.push(const_reference(it->first));
88 template<typename It, typename Cntnr>
89 class double_push_join_functor
95 double_push_join_functor(It b, It e) : _M_begin(b), _M_end(e) { }
98 operator()(std::size_t resolution)
100 typedef typename Cntnr::const_reference const_reference;
101 for (std::size_t n = 0; n < resolution; ++n)
105 for (It it = _M_begin; it != _M_end; ++it)
107 c0.push(const_reference(it->first));
108 c1.push(const_reference(it->first));
114 } // namespace detail
116 template<typename It>
117 class join_test : private pb_ds::test::detail::timing_test_base
120 const size_t m_ins_vn;
121 const size_t m_ins_vs;
122 const size_t m_ins_vm;
125 join_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm)
126 : m_ins_b(ins_b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)
129 template<typename Cntnr>
131 operator()(pb_ds::detail::type_to_type<Cntnr>)
133 using pb_ds::test::detail::double_push_functor;
134 using pb_ds::test::detail::double_push_join_functor;
135 typedef pb_ds::test::detail::timing_test_base base_type;
136 typedef xml_result_set_performance_formatter result_type;
137 result_type res(string_form<Cntnr>::name(), string_form<Cntnr>::desc());
139 for (size_t n = 0; m_ins_vn + n* m_ins_vs < m_ins_vm; ++n)
141 const size_t v = m_ins_vn + n * m_ins_vs;
146 double_push_functor<It, Cntnr> double_push_fn(b, e);
147 const double double_push_res = base_type::operator()(double_push_fn);
148 double_push_join_functor<It, Cntnr> double_push_join_fn(b, e);
149 const double double_push_join_res = base_type::operator()(double_push_join_fn);
151 const double effective_delta = std::max(double_push_join_res - double_push_res,
152 base_type::min_time_res());
153 res.add_res(v, effective_delta / v);
158 join_test(const join_test&);
160 template<typename Cntnr>
162 join(pb_ds::detail::type_to_type<Cntnr>, It b, It e)
165 typedef typename Cntnr::const_reference const_reference;
166 for (It it = b; it != e; ++it)
167 cntnr.join(const_reference(*it));
173 #endif // #ifndef PB_DS_JOIN_TEST_HPP