Suppose gaming consoles PlayStation 5 and Xbox Series X use different implementations of AMD's Zen architecture. The instructions they support can be divided into four classes according to their CPI (class A, B, C, and D). PlayStation has a clock rate of 2.7 GHz and the instruction classes have CPIs of 7, 3, 4 and 6 respectively whereas Xbox has a clock rate of 3.4 GHz and the instruction classes have CPIs of 5, 3, 3 and 1 respectively. Now suppose, a program has an instruction count of 1.0 * 108 and the instructions are divided into classes as follows: 30% class A, 50% class B, 10% class C, and 10% class D. Now answer the following questions: 1. Calculate how many more clock cycles per instruction on average does the PlayStation take compared to the Xbox?

Suppose gaming consoles PlayStation 5 and Xbox Series X use different implementations of AMD's Zen architecture. The instructions they support can be divided into four classes according to their CPI (class A, B, C, and D). PlayStation has a clock rate of 2.7 GHz and the instruction classes have CPIs of 7, 3, 4 and 6 respectively whereas Xbox has a clock rate of 3.4 GHz and the instruction classes have CPIs of 5, 3, 3 and 1 respectively. Now suppose, a program has an instruction count of 1.0 * 108 and the instructions are divided into classes as follows: 30% class A, 50% class B, 10% class C, and 10% class D. Now answer the following questions: 1. Calculate how many more clock cycles per instruction on average does the PlayStation take compared to the Xbox?

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

Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

Question

Suppose gaming consoles PlayStation 5 and Xbox Series X use different
implementations of AMD's Zen 2 architecture. The instructions they support can be
divided into four classes according to their CPI (class A, B, C, and D).
PlayStation has a clock rate of 2.7 GHz and the instruction classes have CPIs of 7, 3, 4
and 6 respectively whereas Xbox has a clock rate of 3.4 GHz and the instruction classes
have CPIs of 5, 3, 3 and 1 respectively.
Now suppose, a program has an instruction count of 1.0 * 108 and the instructions are
divided into classes as follows:
30% class A,
50% class B,
10% class C, and
10% class D.
Now answer the following questions:
1. Calculate how many more clock cycles per instruction on average does the
PlayStation take compared to the Xbox?
2. Calculate the difference between the execution time in these two consoles in
milliseconds
3. If the program runs on a reference PC with an execution time of 120
milliseconds, calculate the SPECRatio for the Playstation

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