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Diffstat (limited to 'libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp')
| -rw-r--r-- | libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp | 192 |
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diff --git a/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp b/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp new file mode 100644 index 00000000000..18dd0af6c13 --- /dev/null +++ b/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp @@ -0,0 +1,192 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 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. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file tree_split_join_test.hpp + * Contains a test for splitting and joining trees + */ + +#ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP +#define PB_DS_TREE_SPLIT_JOIN_TEST_HPP + +#include <performance/time/timing_test_base.hpp> +#include <performance/io/xml_formatter.hpp> +#include <common_type/assoc/string_form.hpp> +#include <iterator> + +namespace pb_ds +{ + + namespace test + { + + namespace detail + { + + template<typename Cntnr, bool Support_Split_Join> + class split_join_functor + { + public: + split_join_functor(Cntnr& r_container) : m_r_container(r_container) + { } + + void + operator()(std::size_t resolution) + { + for (std::size_t i = 0; i < resolution; ++i) + { + typename Cntnr::const_iterator mid_it = m_r_container.begin(); + std::advance(mid_it, m_r_container.size() / 2); + + Cntnr other; + + m_r_container.split(*mid_it, other); + + m_r_container.join(other); + } + } + + private: + Cntnr& m_r_container; + }; + + template<typename Cntnr> + class split_join_functor< + Cntnr, + false> + { + public: + split_join_functor(Cntnr& r_container) : m_r_container(r_container) + { } + + void + operator()(std::size_t resolution) + { + for (std::size_t i = 0; i < resolution; ++i) + { + typename Cntnr::iterator mid_it = m_r_container.begin(); + std::advance(mid_it, m_r_container.size() / 2); + + Cntnr other(mid_it, m_r_container.end()); + m_r_container.erase(mid_it, m_r_container.end()); + + m_r_container.insert(other.begin(), other.end()); + other.clear(); + } + } + + private: + Cntnr& m_r_container; + }; + + } // namespace detail + +#define PB_DS_CLASS_T_DEC \ + template<bool Support_Split_Join> + +#define PB_DS_CLASS_C_DEC \ + tree_split_join_test< \ + Support_Split_Join> + + template<bool Support_Split_Join> + class tree_split_join_test : private pb_ds::test::detail::timing_test_base + { + public: + tree_split_join_test(size_t vn, size_t vs, size_t vm); + + template<typename Cntnr> + void + operator()(pb_ds::detail::type_to_type<Cntnr>); + + private: + tree_split_join_test(const tree_split_join_test& ); + + private: + const size_t m_vn; + const size_t m_vs; + const size_t m_vm; + }; + + PB_DS_CLASS_T_DEC + PB_DS_CLASS_C_DEC:: + tree_split_join_test(size_t vn, size_t vs, size_t vm) : + m_vn(vn), + m_vs(vs), + m_vm(vm) + { } + + PB_DS_CLASS_T_DEC + template<typename Cntnr> + void + PB_DS_CLASS_C_DEC:: + operator()(pb_ds::detail::type_to_type<Cntnr>) + { + xml_result_set_performance_formatter res_set_fmt( + string_form<Cntnr>::name(), + string_form<Cntnr>::desc()); + + for (size_t v = m_vn; v < m_vm; v += m_vs) + { + Cntnr cntnr; + + for (size_t ins = 0; ins < v; ++ ins) + cntnr.insert((typename Cntnr::value_type)ins); + + pb_ds::test::detail::split_join_functor<Cntnr, Support_Split_Join> + fn(cntnr); + + const double res = + pb_ds::test::detail::timing_test_base::operator()(fn); + + res_set_fmt.add_res(v, res); + } + } + +#undef PB_DS_CLASS_T_DEC + +#undef PB_DS_CLASS_C_DEC + + } // namespace test + +} // namespace pb_ds + +#endif // #ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP + |