(a) The following table shows execution time in seconds for four different benchmark programs on threemachines:BenchmarkAProcessor 1Processor 2Processor 340023035085607065120130D38,20040,50038,400Compute specd metric for each processor for each benchmark normalized to processor 3. Then compute thegeometric mean value for each system. Which processor is the slowest?

Speed metric For benchmark A speed metric = 350/ 350…

Answered: Compute speed metric for each processor…

Compute speed metric for each processor for each benchmark normalized to processor 3. Then compute the geometric mean value for each system. Which processor is the slowest?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

Question

(a) The following table shows execution time in seconds for four different benchmark programs on three
machines:
Benchmark
A
Processor 1
Processor 2
Processor 3
400
230
350
85
60
70
65
120
130
D
38,200
40,500
38,400
Compute specd metric for each processor for each benchmark normalized to processor 3. Then compute the
geometric mean value for each system. Which processor is the slowest?

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