EE382 Processor Design

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Table of Contents

EE382 Processor Design

Outline

I/O and Storage Hierarchy

Disks: The Basic Storage Unit

Disk Terms

Disk Access Time

System Models

Asymptotic Model

Special Case: Low-Population Model

Asymptotic vs. Low-Population Models

Modeling Disks

Multiprogramming

Multiprogramming: Inverted Servers

Modeling Multiprogramming

Example (Study 9.2)

Virtual Memory

Disk Cache Buffers

Concurrent Disk Arrays

Concurrent Disk Usage

Striped and Synchronized Disk Arrays

File Access Distributions

Effectively Independent Striped Disks

Clusters of Striped Disks

Synchronized and Composite Disks

Realized m

Example (Study 9.6)

RAID

Summary

Email: gere@stanford.edu

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