The Essentials ofComputer(computer) 471

The Essentials ofComputer(computer) 471 - upon to help...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CHAPTER 10 Performance Measurement and Analysis 10.1 INTRODUCTION T he two quotations with which we introduce this chapter highlight the dilemma of computer performance evaluation. One must have quantitative tools with which to gauge performance, but how can one be certain that the tools chosen for the task meet the objectives of the assessment? In fact, one cannot always be cer- tain that this is the case. Furthermore, system purveyors are strongly motivated to slant otherwise truthful numbers so that their brand of system looks better than its competitors. You can defend yourself against most statistical chicanery by cultivating a thor- ough understanding of the basics of computer performance assessment. The foun- dation that we present in this chapter will be useful to you whether you are called
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: upon to help select a new system or are trying to improve the performance of an existing system. This chapter also presents some of the factors that affect the performance of processors, programs, and magnetic disk storage. The ideas presented in these sections are of primary concern in system tuning. Good system performance tools (usually supplied by the manufacturer) are an indispensable aid in keeping a sys-tem running at its best. After completing this chapter, you will know what to look for in system tuning reports, and how each piece of information fits into the big picture of overall system performance....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern