Suppose the logic blocks used to implement the processor as discussed in class have the following delays: Instr/Data Memory Access Register File Decode+Read Mux ALU Adder (outside ALU) Single gate delay Register read Register Write Sign Extend 250ps 150ps 25ps 200ps 150ps 5ps 30ps 20ps 50 a) How much time would you expect to take to execute an R-type instruction based on the details studied in class? b) How much time would you expect to take to execute an lw instruction based on the details studied in class? (0.4 c) Based on these two questions, is it possible to guess what would the (minimum) clock cycle time be of such a processor if the instructions are executed in one cycle? If yes, indicate it. If it is not, state the reason why not.
Suppose the logic blocks used to implement the processor as discussed in class have the following delays: Instr/Data Memory Access Register File Decode+Read Mux ALU Adder (outside ALU) Single gate delay Register read Register Write Sign Extend 250ps 150ps 25ps 200ps 150ps 5ps 30ps 20ps 50 a) How much time would you expect to take to execute an R-type instruction based on the details studied in class? b) How much time would you expect to take to execute an lw instruction based on the details studied in class? (0.4 c) Based on these two questions, is it possible to guess what would the (minimum) clock cycle time be of such a processor if the instructions are executed in one cycle? If yes, indicate it. If it is not, state the reason why not.
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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Suppose the logic blocks used to implement the processor as discussed in class have the following delays:
| Instr/Data Memory Access | Register File Decode+Read | Mux | ALU | Adder (outside ALU) | Single gate delay | Register read | Register Write | Sign Extend |
| 250ps | 150ps | 25ps | 200ps | 150ps | 5ps | 30ps | 20ps | 50 |
a) How much time would you expect to take to execute an R-type instruction based on the details studied in class?
b) How much time would you expect to take to execute an lw instruction based on the details studied in class? (0.4
c) Based on these two questions, is it possible to guess what would the (minimum) clock cycle time be of such a processor if the instructions are executed in one cycle? If yes, indicate it. If it is not, state the reason why not.
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