Computer Organisation and Architecture - Vol 3 | 7. Multi-level Caches by Abraham | Learn Smarter
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7. Multi-level Caches

The chapter discusses multi-level cache architectures, focusing on the role of primary and secondary caches in enhancing CPU performance. It explains the concepts of cache hits, misses, and penalties, along with the effective cycles per instruction (CPI). Furthermore, it presents examples showcasing the calculations involved in cache operations and design considerations, emphasizing the impact of cache organization on performance.

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Sections

  • 7.1

    Multi-Level Caches

    Multi-level caches enhance CPU efficiency by introducing tiers of caches, each with varying speeds and sizes.

    Learning Practice

  • 7.1.1

    Cache Hierarchies

    This section discusses the importance of cache hierarchies in computer architecture, focusing on the role and functionality of multi-level caches.

    Learning Practice

  • 7.1.2

    Example Use Of Multi-Level Caches

    This section covers the concept of multi-level caches, their structure, and how they reduce miss penalties in computer architecture.

    Learning Practice

  • 7.1.3

    Effective Cpi With L2 Cache

    This section discusses the role of multi-level cache systems, particularly focusing on how the introduction of L2 cache impacts cycles per instruction (CPI) by reducing miss penalties.

    Learning Practice

  • 7.1.4

    Multi-Level Cache Design Issues

    Multi-level cache systems consist of L1 and L2 caches aimed at optimizing hit ratios and minimizing miss penalties in CPU architecture.

    Learning Practice

  • 7.1.5

    Out Of Order Cpus

    This section discusses multi-level caches and their impact on CPU performance, particularly in the context of out-of-order execution.

    Learning Practice

  • 7.1.6

    Compiler Optimizations

    This section discusses multi-level caches, their structure, and the impact of compiler optimizations on cache performance.

    Learning Practice

  • 7.1.7

    Cache Misses In Problem 1

    This section explores multi-level cache architectures and their impact on cache miss rates and processor efficiency.

    Learning Practice

  • 7.1.8

    Cache Misses In Problem 2

    This section discusses the concept of cache misses in multi-level cache architectures, illustrating their impact on CPU performance.

    Learning Practice

References

27 part b.pdf

Class Notes

Memorization

What we have learnt

  • Multi-level caches help red...
  • Primary caches are designed...
  • Cache misses can significan...

Final Test

Revision Tests