Consider two different implementations of the same instruction set architecture. The instructions can be divided into four classes according to their CPI (class A, B, C, and D). P1 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock rate of 3 GHz and CPIs of 2, 2, 2, and 2. Given a program with a dynamic instruction count of 1 million instructions divided into classes as follows: 10% class A 20% class B 50% class C and 20% class D Which implementation is slower? P1 They're Equal P2

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
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Please show all work such as computations 

**Instruction Set Architecture Comparison**

Consider two different implementations of the same instruction set architecture. The instructions can be divided into four classes according to their CPI (Cycles Per Instruction) - class A, B, C, and D. The details are as follows:

- **P1:** Clock rate of 2.5 GHz; CPIs are 1, 2, 3, and 3.
- **P2:** Clock rate of 3 GHz; CPIs are 2, 2, 2, and 2.

**Program Details:**

Given a program with a dynamic instruction count of 1 million instructions, the distribution among classes is:

- 10% class A
- 20% class B
- 50% class C
- 20% class D

**Question:**

Which implementation is slower?

- ○ P1
- ○ They’re Equal
- ● P2

The correct answer is P2.
Transcribed Image Text:**Instruction Set Architecture Comparison** Consider two different implementations of the same instruction set architecture. The instructions can be divided into four classes according to their CPI (Cycles Per Instruction) - class A, B, C, and D. The details are as follows: - **P1:** Clock rate of 2.5 GHz; CPIs are 1, 2, 3, and 3. - **P2:** Clock rate of 3 GHz; CPIs are 2, 2, 2, and 2. **Program Details:** Given a program with a dynamic instruction count of 1 million instructions, the distribution among classes is: - 10% class A - 20% class B - 50% class C - 20% class D **Question:** Which implementation is slower? - ○ P1 - ○ They’re Equal - ● P2 The correct answer is P2.
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