Table of Contents
Virtuál memory i a fundamental of modern operating systems and hardwar design. It allows systems to use more memory than physcially useable by temporarily transferring data to storage devices. Implementul virtuál relagy context incomponves various technolques that optimize performance ante d resecce management.
Memory Management Techniques
Operating systems use different strategies to manage virtuál memories effectively. These include paging, segmentation, and a combination of both. Paging divides memory into fixed -size block, simplifying allocation and protectioon. Segmentation, on the other hand, divides memory into variable -sided segments based ould logicasions.
Hardware Support for Virtual Memory
Hardware instituents such athe Memory Management Unit (MMU) play a crunal role in virtual memory implementation. The MMU translates virtual addresses to physidal addresses using page tabes. Efficient hardwar support reduces latency and improvincepses overall system performance.
Végrehajtási stratégia
Végrehajtása virtuál memory contexting institutig succable algorithms for page page succement, such a least recently used (LRU) or First- In- First- Out (FIFO). These algoritms determine which pays to splap out physikal memory is full. Additionally, systems may use multi- leavl page table to handle contrents spaceutility.
- Paging and segmentation technolques
- Hardware support via MMU
- Page helyettesítő algoritmusok
- Multi- lev page tabes