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//usr/include/c++/4.8.2/profile/impl/profiler_list_to_vector.h
// -*- C++ -*- // // Copyright (C) 2009-2013 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_list_to_vector.h * @brief diagnostics for list to vector. */ // Written by Changhee Jung. #ifndef _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H #define _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H 1 #include <sstream> #include "profile/impl/profiler.h" #include "profile/impl/profiler_node.h" #include "profile/impl/profiler_trace.h" namespace __gnu_profile { /** @brief A list-to-vector instrumentation line in the object table. */ class __list2vector_info : public __object_info_base { public: __list2vector_info() : _M_shift_count(0), _M_iterate(0), _M_resize(0), _M_list_cost(0), _M_vector_cost(0), _M_valid(true), _M_max_size(0) { } __list2vector_info(__stack_t __stack) : __object_info_base(__stack), _M_shift_count(0), _M_iterate(0), _M_resize(0), _M_list_cost(0), _M_vector_cost(0), _M_valid(true), _M_max_size(0) { } virtual ~__list2vector_info() { } __list2vector_info(const __list2vector_info& __o) : __object_info_base(__o), _M_shift_count(__o._M_shift_count), _M_iterate(__o._M_iterate), _M_resize(__o._M_resize), _M_list_cost(__o._M_list_cost), _M_vector_cost(__o._M_vector_cost), _M_valid(__o._M_valid), _M_max_size(__o._M_max_size) { } void __merge(const __list2vector_info& __o) { _M_shift_count += __o._M_shift_count; _M_iterate += __o._M_iterate; _M_vector_cost += __o._M_vector_cost; _M_list_cost += __o._M_list_cost; _M_valid &= __o._M_valid; _M_resize += __o._M_resize; _M_max_size = std::max( _M_max_size, __o._M_max_size); } void __write(FILE* __f) const { std::fprintf(__f, "%Zu %Zu %Zu %.0f %.0f\n", _M_shift_count, _M_resize, _M_iterate, _M_vector_cost, _M_list_cost); } float __magnitude() const { return _M_list_cost - _M_vector_cost; } std::string __advice() const { std::stringstream __sstream; __sstream << "change std::list to std::vector and its initial size from 0 to " << _M_max_size; return __sstream.str(); } std::size_t __shift_count() { return _M_shift_count; } std::size_t __iterate() { return _M_iterate; } float __list_cost() { return _M_list_cost; } std::size_t __resize() { return _M_resize; } void __set_list_cost(float __lc) { _M_list_cost = __lc; } void __set_vector_cost(float __vc) { _M_vector_cost = __vc; } bool __is_valid() { return _M_valid; } void __set_invalid() { _M_valid = false; } void __opr_insert(std::size_t __shift, std::size_t __size) { _M_shift_count += __shift; _M_max_size = std::max(_M_max_size, __size); } void __opr_iterate(std::size_t __num) { _M_iterate += __num;} void __resize(std::size_t __from, std::size_t) { _M_resize += __from; } private: std::size_t _M_shift_count; std::size_t _M_iterate; std::size_t _M_resize; float _M_list_cost; float _M_vector_cost; bool _M_valid; std::size_t _M_max_size; }; class __list2vector_stack_info : public __list2vector_info { public: __list2vector_stack_info(const __list2vector_info& __o) : __list2vector_info(__o) {} }; class __trace_list_to_vector : public __trace_base<__list2vector_info, __list2vector_stack_info> { public: __trace_list_to_vector() : __trace_base<__list2vector_info, __list2vector_stack_info>() { __id = "list-to-vector"; } ~__trace_list_to_vector() { } // Insert a new node at construct with object, callstack and initial size. void __insert(__object_t __obj, __stack_t __stack) { __add_object(__obj, __list2vector_info(__stack)); } // Call at destruction/clean to set container final size. void __destruct(const void* __obj) { if (!__is_on()) return; __list2vector_info* __res = __get_object_info(__obj); if (!__res) return; float __vc = __vector_cost(__res->__shift_count(), __res->__iterate()); float __lc = __list_cost(__res->__shift_count(), __res->__iterate()); __res->__set_vector_cost(__vc); __res->__set_list_cost(__lc); __retire_object(__obj); } // Find the node in the live map. __list2vector_info* __find(const void* __obj); // Collect cost of operations. void __opr_insert(const void* __obj, std::size_t __shift, std::size_t __size) { __list2vector_info* __res = __get_object_info(__obj); if (__res) __res->__opr_insert(__shift, __size); } void __opr_iterate(const void* __obj, std::size_t __num) { __list2vector_info* __res = __get_object_info(__obj); if (__res) __res->__opr_iterate(__num); } void __invalid_operator(const void* __obj) { __list2vector_info* __res = __get_object_info(__obj); if (__res) __res->__set_invalid(); } void __resize(const void* __obj, std::size_t __from, std::size_t __to) { __list2vector_info* __res = __get_object_info(__obj); if (__res) __res->__resize(__from, __to); } float __vector_cost(std::size_t __shift, std::size_t __iterate) { // The resulting vector will use a 'reserve' method. return (__shift * _GLIBCXX_PROFILE_DATA(__vector_shift_cost_factor).__value + __iterate * _GLIBCXX_PROFILE_DATA(__vector_iterate_cost_factor).__value); } float __list_cost(std::size_t __shift, std::size_t __iterate) { return (__shift * _GLIBCXX_PROFILE_DATA(__list_shift_cost_factor).__value + __iterate * _GLIBCXX_PROFILE_DATA(__list_iterate_cost_factor).__value); } }; inline void __trace_list_to_vector_init() { _GLIBCXX_PROFILE_DATA(_S_list_to_vector) = new __trace_list_to_vector(); } inline void __trace_list_to_vector_report(FILE* __f, __warning_vector_t& __warnings) { if (_GLIBCXX_PROFILE_DATA(_S_list_to_vector)) { _GLIBCXX_PROFILE_DATA(_S_list_to_vector)-> __collect_warnings(__warnings); _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__write(__f); } } inline void __trace_list_to_vector_construct(const void* __obj) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__insert(__obj, __get_stack()); } inline void __trace_list_to_vector_destruct(const void* __obj) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__destruct(__obj); } inline void __trace_list_to_vector_insert(const void* __obj, std::size_t __shift, std::size_t __size) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__opr_insert(__obj, __shift, __size); } inline void __trace_list_to_vector_iterate(const void* __obj, std::size_t __num = 1) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__opr_iterate(__obj, __num); } inline void __trace_list_to_vector_invalid_operator(const void* __obj) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__invalid_operator(__obj); } inline void __trace_list_to_vector_resize(const void* __obj, std::size_t __from, std::size_t __to) { if (!__profcxx_init()) return; _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__resize(__obj, __from, __to); } } // namespace __gnu_profile #endif /* _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H__ */
