We have the following statistics for two processors P1 and P2. The two processors have the same classes of instructions. Given a program generates code with 2 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. The average number of cycles for each instruction class and their frequencies (for a typical program) are as follows: Processor P1, Clock Rate = 200 Processer P2, Clock Rate = 250 MHz MHz Instruction Instruction CPI Frequency CPI Frequency class class А 20 % А 3 30 % 2 40 % 3 30 % C 3 40 % C 4 40 %
We have the following statistics for two processors P1 and P2. The two processors have the same classes of instructions. Given a program generates code with 2 billion Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions. The average number of cycles for each instruction class and their frequencies (for a typical program) are as follows: Processor P1, Clock Rate = 200 Processer P2, Clock Rate = 250 MHz MHz Instruction Instruction CPI Frequency CPI Frequency class class А 20 % А 3 30 % 2 40 % 3 30 % C 3 40 % C 4 40 %
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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Transcribed Image Text:We have the following statistics for two processors P1 and P2. The two processors
have the same classes of instructions. Given a program generates code with 2 billion
Class A instructions, 1 billion Class B instructions, and 1 billion Class C instructions.
The average number of cycles for each instruction class and their frequencies (for a
typical program) are as follows:
Processor P1, Clock Rate = 200
Processer P2, Clock Rate = 250
MHz
MHz
Instruction
Instruction
CPI
Frequency
CPI
Frequency
class
class
A
20 %
A
3
30 %
В
40 %
В
3
30 %
C
3
40 %
4
40 %
a. Calculate the average CPI for the two processors.
b. Which machine is faster?
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