--- /dev/null
+// -*- 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 */
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