Date of Degree

5-2018

Document Type

Dissertation

Degree Name

Ph.D.

Program

Computer Science

Advisor(s)

Paula Whitlock

Committee Members

Robert Haralick

James Cox

David Shields

Subject Categories

OS and Networks | Systems Architecture

Keywords

mass storage, disk, tape, performance, architecture

Abstract

The semantics and fundamental structure of modern operating system IO systems dates from the mid-1960's to the mid-1970's, a period of time when computing power and memory capacity were a mere fraction of today's systems. Engineering tradeoffs made in the past enshrine the resource availability context of computing at that time. Deconstructing the semantics of the IO infrastructure allows a re-examination of long-standing design decisions in the context of today's greater processing and memory resources. The re-examination allows changes to several wide-spread paradigms to improve efficiency and performance.

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