Q3. Consider a set of instructions that can be divided into four classes according to their Cycles per Instruction (CPI): A, B, C, and D. Let's assume P1 and P2 are two processors that implement the same instruction set architecture in different ways. P1 has a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3 for classes A, B, C, and D, respectively. P2's clock rate is 3 GHz and CPIs of classes A, B, C, and D are 2, 2, 2, and 2, respectively. If a program with a dynamic instruction count of 105 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D, which will execute the program faster: P1 or P2? Show all calculations and the formulas you are using.

Q3. Consider a set of instructions that can be divided into four classes according to their Cycles per Instruction (CPI): A, B, C, and D. Let's assume P1 and P2 are two processors that implement the same instruction set architecture in different ways. P1 has a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3 for classes A, B, C, and D, respectively. P2's clock rate is 3 GHz and CPIs of classes A, B, C, and D are 2, 2, 2, and 2, respectively. If a program with a dynamic instruction count of 105 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D, which will execute the program faster: P1 or P2? Show all calculations and the formulas you are using.

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

Properties of different architectures

Software architectures are the blueprint of a software system. They consist of all components involved in a system, relations between various components, the environment of operation, and the principle used in designing the software. In other words, software architecture shows the organization of different software structures and helps understand their behavior.

Question

Q3. Consider a set of instructions that can be divided into four classes
according to their Cycles per Instruction (CPI): A, B, C, and D. Let's assume P1
and P2 are two processors that implement the same instruction set architecture
in different ways. P1 has a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3 for
classes A, B, C, and D, respectively. P2's clock rate is 3 GHz and CPIs of classes A,
B, C, and D are 2, 2, 2, and 2, respectively. If a program with a dynamic
instruction count of 105 instructions divided into classes as follows: 10% class A,
20% class B, 50% class C, and 20% class D, which will execute the program
faster: P1 or P2? Show all calculations and the formulas you are using.

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Given an instruction sequence with instructions in classes A, B, and C as the table below: Instruction Class A B C |CPI Instruction Count|10|40|10| 2 1 3 Total number of instructions in this sequence = Number of clock cycles from instruction class A = Number of clock cycles from instruction class B = Number of clock cycles from instruction class C = Total number of clock cycles = Average CPI for this instruction sequence = (Answer with a float the decimal point, e.g. 4.5)
Q3: Suppose there is a processing unit composed by CPU and I/O component. For a specific task, CPU takes 5 second to finish the execution and I/O takes 2 second to process. The communication time between CPU and I/O can be elimiate under this circumstance. Execution Time 7 second 5second 2 second CPU time I/O time If CPU time decreases by 25% per year for 3 years and I/O time decreases by 20% per year 1) How many times faster is this program after 3 years? 2) What percentage of new time is I/O? and what percentage of new time is CPU?
Consider two different implementations, M1 and M2, of the same instruction set. There are three classes of instructions (A, B, and C) in the instruction set. M1 has a clock rate of 2.0GHz and M2 has a clock rate of 2.5GHz. The average number of cycles for each instruction class and their frequencies (for a typical program) are as follow on the table. (a) Calculate the average CPI for each machine, M1, and M2.(b) Calculate the average MIPS ratings for each machine, M1 and M2
Suppose the implementation of an instruction set architecture uses three classes of instructions, which are called A, B, and C. The total dynamic instruction count is 1 x 10^7 and the processor's clock rate is 2.5 GHz. Details for the three classes are given in the table below: Class A B C ΙΑ Complete the following table. Express all answers in scientific notation and round to two decimal places, when needed. Class Instruction Count B CPI 1 2 3 C % of instructions 20% 50% 30% x 10^ x 10^ x 10^ Number of Clock Cycles x 10^ x 10^ x 10^