Computer Organisation and Architecture - Vol 3 | 15. Cache Indexing and Tagging Variations, Demand Paging by Abraham | Learn Smarter
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15. Cache Indexing and Tagging Variations, Demand Paging

The chapter discusses various cache indexing and tagging variations, primarily focusing on demand paging and virtual memory management techniques. It outlines the operational differences between physically indexed and virtually indexed caches and highlights the challenges associated with each method, such as TLB misses and synonym problems. Various strategies, including page coloring, are introduced to mitigate issues such as data inconsistency and cache flushing during context switches.

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Sections

  • 15.1

    Computer Organization And Architecture: A Pedagogical Aspect

    This section discusses cache indexing and tagging variations in computer architecture, specifically focusing on the impact of virtual memory systems.

    Learning Practice

  • 15.2

    Cache Indexing And Tagging Variations, Demand Paging

    This section discusses the variations of cache indexing and tagging, focusing on demand paging techniques and their implications for cache access in computer architectures.

    Learning Practice

  • 15.2.1

    Recapitulating Intrinsity Fastmath Architecture

    This section provides an overview of the Intrinsity FastMATH architecture, focusing on its cache organization, TLB interactions, and the advantages and disadvantages of different caching strategies.

    Learning Practice

  • 15.2.2

    Physically Indexed Physically Tagged Cache

    This section discusses the architecture and functioning of physically indexed physically tagged caches in computer systems, detailing their benefits and drawbacks, particularly regarding TLB access and data consistency.

    Learning Practice

  • 15.2.3

    Disadvantages Of Physically Indexed Physically Tagged Cache

    This section explores the disadvantages of physically indexed physically tagged caches, focusing on TLB access delays and potential memory inconsistency.

    Learning Practice

  • 15.2.4

    Virtually Indexed Virtually Tagged Cache

    This section discusses the concept, working, advantages, and disadvantages of virtually indexed, virtually tagged caches in computer architecture.

    Learning Practice

  • 15.2.5

    Disadvantages Of Virtually Indexed Virtually Tagged Cache

    This section discusses the disadvantages inherent in virtually indexed virtually tagged cache architectures, highlighting issues like cache flushing on context switches and the potential for data inconsistency due to aliasing.

    Learning Practice

  • 15.2.6

    Virtually Indexed Physically Tagged Cache

    This section discusses the concept of Virtually Indexed Physically Tagged (VIPT) caches, highlighting their advantages, disadvantages, and operational mechanisms.

    Learning Practice

  • 15.2.7

    Advantages Of Virtually Indexed Physically Tagged Cache

    This section discusses the advantages of virtually indexed physically tagged caches, focusing on their efficiency in reducing latency during access while addressing issues such as cache flushing on process context switches and synonym problems.

    Learning Practice

  • 15.2.8

    Handling Synonyms In Virtually Indexed Physically Tagged Caches

    This section discusses the functioning and challenges of virtually indexed physically tagged caches, particularly focusing on synonym issues and management strategies.

    Learning Practice

  • 15.2.9

    Example With Virtually Indexed Physically Tagged Caches

    This section discusses the workings of virtually indexed physically tagged caches, their benefits, and challenges, particularly in relation to the TLB's role in memory access.

    Learning Practice

References

32 part a.pdf

Class Notes

Memorization

Final Test

Revision Tests