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Memory Management Techniques

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Memory Pooling

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Memory pooling pre-allocates blocks of memory for efficient reuse, reducing the overhead of frequent allocations. This technique is useful in real-time systems to avoid unpredictable delays.

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Stack Allocation

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Stack allocation uses a last-in-first-out (LIFO) strategy to manage memory for local variables within function calls. It's applied during the function call lifecycle.

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Heap Allocation

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Heap allocation manages dynamic memory that needs to be explicitly requested and released. It's used when the size of the data cannot be determined at compile time.

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Reference Counting

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Reference counting tracks the number of references to a resource and deallocates it when the count reaches zero. Used in languages with automatic memory management.

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Virtual Memory

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Virtual memory uses disk storage to extend RAM, allowing programs to operate on larger datasets than would fit in physical memory. It's typically managed by the operating system.

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Garbage Collection

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Garbage collection automatically reclaims memory that a program no longer needs. Common in languages like Java and Python.

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Memory Segmentation

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Memory segmentation divides program memory into different segments such as code, stack, and heap segments, improving access control and limit management. It varies by architecture.

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