X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2Futil%2Fperformance%2Fassoc%2Ftiming%2Ftree_split_join_test.hpp;fp=libstdc%2B%2B-v3%2Ftestsuite%2Futil%2Fperformance%2Fassoc%2Ftiming%2Ftree_split_join_test.hpp;h=6872291dfa04b24e3d19fb8732e82bf62414415c;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git 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 00000000..6872291d --- /dev/null +++ b/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp @@ -0,0 +1,158 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 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 +// . + + +// 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 +#include +#include +#include + +namespace __gnu_pbds +{ + namespace test + { + namespace detail + { + template + 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 + 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::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 + + template + class tree_split_join_test : private __gnu_pbds::test::detail::timing_test_base + { + public: + tree_split_join_test(size_t vn, size_t vs, size_t vm); + + template + void + operator()(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; + }; + + template + tree_split_join_test:: + tree_split_join_test(size_t vn, size_t vs, size_t vm) : + m_vn(vn), + m_vs(vs), + m_vm(vm) + { } + + template + template + void + tree_split_join_test:: + operator()(Cntnr) + { + typedef xml_result_set_performance_formatter formatter_type; + formatter_type res_set_fmt(string_form::name(), + string_form::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); + + __gnu_pbds::test::detail::split_join_functor + fn(cntnr); + + const double res = + __gnu_pbds::test::detail::timing_test_base::operator()(fn); + res_set_fmt.add_res(v, res); + } + } + } // namespace test +} // namespace __gnu_pbds + +#endif +