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Dynamic Memory Allocation
Post: #1

In computer science dynamic memory allocation is the allocation of memory storage for use in a computer program during the runtime of that program. It is a way of distributing ownership of limited memory resources among many pieces of data and code. A dynamically allocated object remains allocated until it is deallocated explicitly, either by the programmer or by a garbage collector this is notably different from automatic and static memory allocation. It is said that such an object has dynamic lifetime.

The problem of fulfilling an allocation request, which involves finding a block of unused memory of a certain size in the heap, is a difficult problem. A wide variety of solutions have been proposed, including:

1)Free lists
3)Buddy memory allocation

The main problem for most dynamic memory allocation algorithms is to avoid both internal and external fragmentation while keeping both allocation and deallocation efficient. Also, most algorithms in use have the problem that a large number of small allocations can cause wasted space due to collecting metadata; thus most programmers avoid this, sometimes by using a strategy called chunking.
Post: #2
I need a seminars report on DYNAMIC MEMORY ALLOCATION :( :'( plzzzzzzzzzzz
Post: #3
Basically, dynamic memory allocation involves the allocation of memory storage for use in a computer program during the runtime of that program. The limited memory resources may thus be efficiently distributed among many pieces of data and code. the programmer either explicitly releases the memory thus allocated after use or the garbage collector does this.

The dynamic memory allocation algorithm actually used in the computer can impact performance significantly. the overheads involved for a variety of allocators is a major differentiator of the speed.

Buddy blocks: These involve the allocation of memory from a large block in memory that is a power of two in size. sorted linked list or tree contains all the blocks that are of a particular size.

Fixed-size-blocks allocation
: Here, a free list of fixed-size blocks of memory is used. This implementation works well with the embedded sysytems.
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