| // -*- C++ -*- |
| // |
| // Copyright (C) 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 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. |
| |
| /** @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 |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| #include <cstdlib> |
| #include <cstdio> |
| #include <cstring> |
| #else |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #endif |
| #include "profile/impl/profiler.h" |
| #include "profile/impl/profiler_node.h" |
| #include "profile/impl/profiler_trace.h" |
| |
| namespace __gnu_profile |
| { |
| |
| inline int __log2(size_t __size) |
| { |
| for (int __bit_count = sizeof(size_t) - 1; __bit_count >= 0; -- __bit_count) |
| { |
| if ((2 << __bit_count) & __size) { |
| return __bit_count; |
| } |
| } |
| return 0; |
| } |
| |
| inline float __map_insert_cost(size_t __size) |
| { |
| return (_GLIBCXX_PROFILE_DATA(__map_insert_cost_factor).__value |
| * static_cast<float>(__log2(__size))); |
| } |
| |
| inline float __map_erase_cost(size_t __size) |
| { |
| return (_GLIBCXX_PROFILE_DATA(__map_erase_cost_factor).__value |
| * static_cast<float>(__log2(__size))); |
| } |
| |
| inline float __map_find_cost(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_map_cost(0.0), _M_umap_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_map_cost(0.0), _M_umap_cost(0.0), _M_valid(true) {} |
| virtual ~__map2umap_info() {} |
| __map2umap_info(const __map2umap_info& o); |
| void __merge(const __map2umap_info& o); |
| void __write(FILE* __f) const; |
| float __magnitude() const { return _M_map_cost - _M_umap_cost; } |
| const char* __advice() const; |
| |
| void __record_insert(size_t __size, size_t __count); |
| void __record_erase(size_t __size, size_t __count); |
| void __record_find(size_t __size); |
| void __record_iterate(size_t __count); |
| void __record_invalidate(); |
| |
| private: |
| size_t _M_insert; |
| size_t _M_erase; |
| size_t _M_find; |
| size_t _M_iterate; |
| float _M_umap_cost; |
| float _M_map_cost; |
| bool _M_valid; |
| }; |
| |
| inline const char* __map2umap_info::__advice() const |
| { |
| return strdup("change std::map to std::unordered_map"); |
| } |
| |
| inline __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_map_cost(__o._M_map_cost), |
| _M_umap_cost(__o._M_umap_cost), |
| _M_valid(__o._M_valid) |
| {} |
| |
| inline void __map2umap_info::__merge(const __map2umap_info& __o) |
| { |
| _M_insert += __o._M_insert; |
| _M_erase += __o._M_erase; |
| _M_find += __o._M_find; |
| _M_map_cost += __o._M_map_cost; |
| _M_umap_cost += __o._M_umap_cost; |
| _M_valid &= __o._M_valid; |
| } |
| |
| inline void __map2umap_info:: __record_insert(size_t __size, 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); |
| } |
| |
| inline void __map2umap_info:: __record_erase(size_t __size, 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); |
| } |
| |
| inline void __map2umap_info:: __record_find(size_t __size) |
| { |
| _M_find += 1; |
| _M_map_cost += __map_find_cost(__size); |
| _M_umap_cost += _GLIBCXX_PROFILE_DATA(__umap_find_cost_factor).__value; |
| } |
| |
| inline void __map2umap_info:: __record_iterate(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); |
| } |
| |
| inline void __map2umap_info:: __record_invalidate() |
| { |
| _M_valid = false; |
| } |
| |
| inline void __map2umap_info::__write(FILE* __f) const |
| { |
| 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"); |
| } |
| |
| /** @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(); |
| }; |
| |
| inline __trace_map2umap::__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, |
| size_t __size, 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, |
| size_t __size, 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, 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, |
| 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 */ |