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Session of low-level optimization of memory usage in C++ programs with total exposure

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22 Jun 2009CPOL7 min read 39.6K   246   44  
In this article, we will try to make our algorithms work faster using the methods of low-level optimization of memory allocation in C++.
#ifndef CMN_ARENA_CUSTOM_STL_ALLOCATORS_H
#define CMN_ARENA_CUSTOM_STL_ALLOCATORS_H

#include "cmnArenaAllocators.h"
#include "map"
#include "list"
#include "vector"
#include "set"


namespace utils
{
template<class KeyType, class ValueType, class ArenaType>
struct arena_custom_map
{
    typedef  std::map<KeyType,
                      ValueType,
                      std::less<KeyType>,
                      typename utils::factory<
                                    utils::arena_custom_allocator,    // allocator type
                                    ArenaType      // this type cannot use params
                                >
                                ::result
                                <
                                    std::pair<
                                                const KeyType,
                                                ValueType
                                            >
                                >
    > result;
};

template<class KeyType, class ArenaType>
struct arena_custom_set
{
    typedef  std::set<KeyType,
                      std::less<KeyType>,
                      typename utils::factory<
                                    utils::arena_custom_allocator,    // allocator type
                                    ArenaType      // this type cannot use params
                                >
                                ::result
                                <
                                    const KeyType
                                >
    > result;
};

template<class ValueType, class ArenaType>
struct arena_custom_list
{
    typedef  std::list<ValueType,
                      typename utils::factory<
                                    utils::arena_custom_allocator,    // allocator type
                                    ArenaType      // this type cannot use params
                                >
                                ::result
                                <
                                    ValueType
                                >
    > result;
};

template<class ValueType, class ArenaType>
struct arena_custom_vector
{
    typedef  std::vector<ValueType,
                      typename utils::factory<
                                    utils::arena_custom_allocator,    // allocator type
                                    ArenaType      // this type cannot use params
                                >
                                ::result
                                <
                                    ValueType
                                >
    > result;
};


}
#endif

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Chief Technology Officer Apriorit Inc.
United States United States
ApriorIT is a software research and development company specializing in cybersecurity and data management technology engineering. We work for a broad range of clients from Fortune 500 technology leaders to small innovative startups building unique solutions.

As Apriorit offers integrated research&development services for the software projects in such areas as endpoint security, network security, data security, embedded Systems, and virtualization, we have strong kernel and driver development skills, huge system programming expertise, and are reals fans of research projects.

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