Computer Organisation and Architecture - Vol 3 | 16. Performance Factor of Paging and Caching by Abraham | Learn Smarter
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16. Performance Factor of Paging and Caching

The chapter focuses on CPU performance factors, particularly in relation to paging and memory access times. Key concepts include calculating CPU time, miss rates, and the implications of page faults in context to memory access. It introduces page replacement algorithms and discusses their importance in maintaining low page fault rates to optimize overall system performance.

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Sections

  • 16.1

    Performance Factor Of Paging And Caching

    This section explores the impact of paging and caching on CPU performance, detailing the factors influencing CPU instruction time and introducing key calculations for average cycles per instruction.

    Learning Practice

  • 16.1.1

    Cpu Time And Memory Stall Cycles

    This section examines how CPU instruction execution time is impacted by memory stall cycles and discusses the interplay of memory access times, miss rates, and penalties.

    Learning Practice

  • 16.1.2

    Example Calculation Of Cpi

    This section explains the calculation of Cycles Per Instruction (CPI) by examining the impacts of memory stalls and execution cycles on CPU performance.

    Learning Practice

  • 16.1.3

    Effects Of Memory Access Time

    This section discusses how memory access time affects CPU performance, emphasizing the role of cache hits, misses, and page faults in instruction execution time.

    Learning Practice

  • 16.2

    Page Replacement

    This section discusses page replacement algorithms and their significance in optimizing CPU performance during data access.

    Learning Practice

  • 16.2.1

    Introduction To Page Replacement

    This section introduces page replacement algorithms and discusses their significance in managing memory in operating systems.

    Learning Practice

  • 16.2.2

    Objectives And Efficiency

    This section discusses the performance metrics of paging and caching, emphasizing CPU execution time, memory stall cycles, and the implications of page replacement algorithms.

    Learning Practice

  • 16.2.3

    Reference Strings

    This section explores CPU instruction time, memory access rates, and introduces page replacement algorithms referencing various examples.

    Learning Practice

  • 16.2.4

    First In First Out (Fifo) Replacement Algorithm

    This section discusses the FIFO page replacement algorithm, which evicts the oldest page in memory to make space for a new page.

    Learning Practice

References

32 part b.pdf

Class Notes

Memorization

What we have learnt

  • CPU time for a program incl...
  • Memory stall cycles can sig...
  • Page replacement is necessa...

Final Test

Revision Tests