Q.1. Architecture performance [10 marks]AnswerA certain microprocessor requires either 2, 4, or 6 machine cycles to perform various operations.⚫ (40+g+f)% require 2 machine cycles,⚫ (30-g) % require 4 machine cycles, and⚫ (30-f)% require 6 machine cycles.(a) What is the average number of machine cycles per instruction for this microprocessor?Answer(b) What is the clock rate (machine cycles per second) required for this microprocessor to be a"1000 MIPS" processor?Answer(c) Suppose that 35% of the instructions require retrieving an operand from memory whichneeds an extra 8 machine cycles. What is the average number of machine cycles perinstruction, including the instructions that fetch operands from memory?

EXPLANATIONS: (a) Determining the Average Machine Cycles per Instruction: To calculate the average…

Answered: Q.1. Architecture performance [10…

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...

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Similar questions

A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true.
Processor R is a 64-bit RISC processor with a 2 GHz clock rate. The average instruction requires one cycle to complete, assuming zero wait state memory accesses. Processor C is a CISC processor with a 1.8 GHz clock rate. The average simple instruction requires one cycle to complete, assuming zero wait state memory accesses. The average complex instruction requires two cycles to complete, assuming zero wait state memory accesses. Processor R can’t directly implement the complex processing instructions of Processor C. Executing an equivalent set of simple instructions requires an average of three cycles to complete, assuming zero wait state memory accesses. Program S contains nothing but simple instructions. Program C executes 70% simple instructions and 30% complex instructions. Which processor will execute program S more quickly? Which processor will execute program C more quickly? At what percentage of complex instructions will the performance of the two processors be equal?
How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?
The time it takes to perform the fetch instruction and decode instruction steps is called the execution time. True or false?
Most Intel CPUs use the __________, in which each memory address is represented by two integers.
A(n) ____________________ instruction copies data from one memory location to another.
Two 1-bit values generate a 1 result value when a(n) _____ instruction is executed. All other input pairs generate a 0 result value.
_____ is a CPU design technique in which instruction execution is divided into multiple stages and different instructions can execute in different stages simultaneously.
Identify the three elements of a CPU and describe the role of each.
(Practice) Although the total number of bytes varies from computer to computer, memory sizes of millions and billions of bytes are common. In computer language, the letter M representsthe number 1,048,576, which is 2 raised to the 20th power, and G represents 1,073,741,824, which is 2 raised to the 30th power. Therefore, a memory size of 4 MB is really 4 times 1,048,576 (4,194,304 bytes), and a memory size of 2 GB is really 2 times 1,073,741,824 (2,147,483,648 bytes). Using this information, calculate the actual number of bytes in the following: a. A memory containing 512 MB b. A memory consisting of 512 MB words, where each word consists of 2 bytes c. A memory consisting of 512 MB words, where each word consists of 4 bytes d. A thumb drive that specifies 2 GB e. A disk that specifies 4 GB f. A disk that specifies 8 GB
(Practice) Show how the name KINGSLEY is stored in a computer that uses the ASCII code by drawing a diagram similar to Figure 2.7, shown previously.
When an instruction is first fetched from memory, its placed in the _________________ and then ________________to extract its components.

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