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Diffstat (limited to '8/sources/cxx-stl/gnu-libstdc++/4.7/include/profile/impl/profiler_map_to_unordered_map.h')
| -rw-r--r-- | 8/sources/cxx-stl/gnu-libstdc++/4.7/include/profile/impl/profiler_map_to_unordered_map.h | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/8/sources/cxx-stl/gnu-libstdc++/4.7/include/profile/impl/profiler_map_to_unordered_map.h b/8/sources/cxx-stl/gnu-libstdc++/4.7/include/profile/impl/profiler_map_to_unordered_map.h new file mode 100644 index 0000000..e232eff --- /dev/null +++ b/8/sources/cxx-stl/gnu-libstdc++/4.7/include/profile/impl/profiler_map_to_unordered_map.h @@ -0,0 +1,290 @@ +// -*- C++ -*- +// +// Copyright (C) 2009, 2010 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. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// 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/>. + +/** @file profile/impl/profiler_map_to_unordered_map.h + * @brief Diagnostics for map to unordered_map. + */ + +// Written by Silvius Rus. + +#ifndef _GLIBCXX_PROFILE_PROFILER_MAP_TO_UNORDERED_MAP_H +#define _GLIBCXX_PROFILE_PROFILER_MAP_TO_UNORDERED_MAP_H 1 + +#include "profile/impl/profiler.h" +#include "profile/impl/profiler_node.h" +#include "profile/impl/profiler_trace.h" + +namespace __gnu_profile +{ + inline int + __log2(std::size_t __size) + { + for (int __bit_count = sizeof(std::size_t) - 1; __bit_count >= 0; + -- __bit_count) + if ((2 << __bit_count) & __size) + return __bit_count; + return 0; + } + + inline float + __map_insert_cost(std::size_t __size) + { return (_GLIBCXX_PROFILE_DATA(__map_insert_cost_factor).__value + * static_cast<float>(__log2(__size))); } + + inline float + __map_erase_cost(std::size_t __size) + { return (_GLIBCXX_PROFILE_DATA(__map_erase_cost_factor).__value + * static_cast<float>(__log2(__size))); } + + inline float + __map_find_cost(std::size_t __size) + { return (_GLIBCXX_PROFILE_DATA(__map_find_cost_factor).__value + * static_cast<float>(__log2(__size))); } + + /** @brief A map-to-unordered_map instrumentation line in the + object table. */ + class __map2umap_info + : public __object_info_base + { + public: + __map2umap_info() + : _M_insert(0), _M_erase(0), _M_find(0), _M_iterate(0), + _M_umap_cost(0.0), _M_map_cost(0.0), _M_valid(true) { } + + __map2umap_info(__stack_t __stack) + : __object_info_base(__stack), _M_insert(0), _M_erase(0), _M_find(0), + _M_iterate(0), _M_umap_cost(0.0), _M_map_cost(0.0), _M_valid(true) { } + + virtual ~__map2umap_info() { } + + __map2umap_info(const __map2umap_info& __o) + : __object_info_base(__o), _M_insert(__o._M_insert), + _M_erase(__o._M_erase), _M_find(__o._M_find), + _M_iterate(__o._M_iterate), _M_umap_cost(__o._M_umap_cost), + _M_map_cost(__o._M_map_cost), _M_valid(__o._M_valid) { } + + void + __merge(const __map2umap_info& __o) + { + _M_insert += __o._M_insert; + _M_erase += __o._M_erase; + _M_find += __o._M_find; + _M_umap_cost += __o._M_umap_cost; + _M_map_cost += __o._M_map_cost; + _M_valid &= __o._M_valid; + } + + void + __write(FILE* __f) const + { + std::fprintf(__f, "%Zu %Zu %Zu %Zu %.0f %.0f %s\n", + _M_insert, _M_erase, _M_find, _M_iterate, _M_map_cost, + _M_umap_cost, _M_valid ? "valid" : "invalid"); + } + + float + __magnitude() const + { return _M_map_cost - _M_umap_cost; } + + std::string + __advice() const + { return "change std::map to std::unordered_map"; } + + void + __record_insert(std::size_t __size, std::size_t __count) + { + _M_insert += __count; + _M_map_cost += __count * __map_insert_cost(__size); + _M_umap_cost + += (__count + * _GLIBCXX_PROFILE_DATA(__umap_insert_cost_factor).__value); + } + + void + __record_erase(std::size_t __size, std::size_t __count) + { + _M_erase += __count; + _M_map_cost += __count * __map_erase_cost(__size); + _M_umap_cost + += (__count + * _GLIBCXX_PROFILE_DATA(__umap_erase_cost_factor).__value); + } + + void + __record_find(std::size_t __size) + { + _M_find += 1; + _M_map_cost += __map_find_cost(__size); + _M_umap_cost += _GLIBCXX_PROFILE_DATA(__umap_find_cost_factor).__value; + } + + void + __record_iterate(std::size_t __count) + { + _M_iterate += __count; + _M_map_cost + += (__count + * _GLIBCXX_PROFILE_DATA(__map_iterate_cost_factor).__value); + _M_umap_cost + += (__count + * _GLIBCXX_PROFILE_DATA(__umap_iterate_cost_factor).__value); + } + + void + __record_invalidate() + { _M_valid = false; } + + private: + std::size_t _M_insert; + std::size_t _M_erase; + std::size_t _M_find; + std::size_t _M_iterate; + float _M_umap_cost; + float _M_map_cost; + bool _M_valid; + }; + + + /** @brief A map-to-unordered_map instrumentation line in the + stack table. */ + class __map2umap_stack_info + : public __map2umap_info + { + public: + __map2umap_stack_info(const __map2umap_info& __o) + : __map2umap_info(__o) { } + }; + + /** @brief Map-to-unordered_map instrumentation producer. */ + class __trace_map2umap + : public __trace_base<__map2umap_info, __map2umap_stack_info> + { + public: + __trace_map2umap() + : __trace_base<__map2umap_info, __map2umap_stack_info>() + { __id = "map-to-unordered-map"; } + }; + + inline void + __trace_map_to_unordered_map_init() + { _GLIBCXX_PROFILE_DATA(_S_map2umap) = new __trace_map2umap(); } + + inline void + __trace_map_to_unordered_map_report(FILE* __f, + __warning_vector_t& __warnings) + { + if (_GLIBCXX_PROFILE_DATA(_S_map2umap)) + { + _GLIBCXX_PROFILE_DATA(_S_map2umap)->__collect_warnings(__warnings); + _GLIBCXX_PROFILE_DATA(_S_map2umap)->__write(__f); + } + } + + inline void + __trace_map_to_unordered_map_construct(const void* __obj) + { + if (!__profcxx_init()) + return; + + _GLIBCXX_PROFILE_DATA(_S_map2umap)-> + __add_object(__obj, __map2umap_info(__get_stack())); + } + + inline void + __trace_map_to_unordered_map_destruct(const void* __obj) + { + if (!__profcxx_init()) + return; + + _GLIBCXX_PROFILE_DATA(_S_map2umap)->__retire_object(__obj); + } + + inline void + __trace_map_to_unordered_map_insert(const void* __obj, + std::size_t __size, std::size_t __count) + { + if (!__profcxx_init()) + return; + + __map2umap_info* __info + = _GLIBCXX_PROFILE_DATA(_S_map2umap)->__get_object_info(__obj); + + if (__info) + __info->__record_insert(__size, __count); + } + + inline void + __trace_map_to_unordered_map_erase(const void* __obj, + std::size_t __size, std::size_t __count) + { + if (!__profcxx_init()) + return; + + __map2umap_info* __info + = _GLIBCXX_PROFILE_DATA(_S_map2umap)->__get_object_info(__obj); + + if (__info) + __info->__record_erase(__size, __count); + } + + inline void + __trace_map_to_unordered_map_find(const void* __obj, std::size_t __size) + { + if (!__profcxx_init()) + return; + + __map2umap_info* __info + = _GLIBCXX_PROFILE_DATA(_S_map2umap)->__get_object_info(__obj); + + if (__info) + __info->__record_find(__size); + } + + inline void + __trace_map_to_unordered_map_iterate(const void* __obj, std::size_t __count) + { + if (!__profcxx_init()) + return; + + __map2umap_info* __info + = _GLIBCXX_PROFILE_DATA(_S_map2umap)->__get_object_info(__obj); + + if (__info) + __info->__record_iterate(__count); + } + + inline void + __trace_map_to_unordered_map_invalidate(const void* __obj) + { + if (!__profcxx_init()) + return; + + __map2umap_info* __info + = _GLIBCXX_PROFILE_DATA(_S_map2umap)->__get_object_info(__obj); + + if (__info) + __info->__record_invalidate(); + } + +} // namespace __gnu_profile +#endif /* _GLIBCXX_PROFILE_PROFILER_MAP_TO_UNORDERED_MAP_H */ |