please answer the whole questions below" it is all related to each other" please go to the following website https://www3.ntu.edu.sg/home/smitha/ParaCache/Paracache/start.html What needs to be done? If you go the tab titled “Cache type analysis” you will see the options for 4 types of cache. DO NOT CHANGE FIFO, Write Back, Write on Allocate options. SET THE VALUE OF Offset Bits = 0 Set Cache 1 = Direct Mapped Cache Set Cache 2 = Fully Associative Cache Set Cache 3 = 2-Way Set Associative Cache Set Cache 4 = 4-Way Set Associative Cache CHANGE THE FOLLOWING PARAMETERS Always set Memory Size > size of Cache then press Submit Next press Gen. 88 Random Instructions. Then press Submit. To see how each instruction is loaded from memory or from Cache, depending upon availability, press Next Instruction. Press Fast Forward to execute all 88 instructions, one after the other. (Questions) For All caches Set the size of Cache so that Fully Associative Mapping has the maximum hit ratio and minimum miss ratio? How can you increase the hit ratio in case of direct mapping by changing some of size of Caches? In presentation, show the pictures from the simulator containing the values used and results obtained. Also, give reasons why the hit ratio increases when you change the size of caches? Explain the reason for the number of bits being used for Tag and for the number of bits required for RAM address?

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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please answer the whole questions below" it is all related to each other"

please go to the following website https://www3.ntu.edu.sg/home/smitha/ParaCache/Paracache/start.html

What needs to be done?

If you go the tab titled “Cache type analysis” you will see the options for 4 types of cache.

DO NOT CHANGE

FIFO, Write Back, Write on Allocate options.

SET THE VALUE OF Offset Bits = 0

Set Cache 1 = Direct Mapped Cache

Set Cache 2 = Fully Associative Cache

Set Cache 3 = 2-Way Set Associative Cache

Set Cache 4 = 4-Way Set Associative Cache

CHANGE THE FOLLOWING PARAMETERS

Always set Memory Size > size of Cache then press Submit

Next press Gen. 88 Random Instructions. Then press Submit.

To see how each instruction is loaded from memory or from Cache, depending upon availability, press Next Instruction.

Press Fast Forward to execute all 88 instructions, one after the other.

(Questions)

For All caches

1. Set the size of Cache so that Fully Associative Mapping has the maximum hit ratio and minimum miss ratio?
2. How can you increase the hit ratio in case of direct mapping by changing some of size of Caches?
3. In presentation, show the pictures from the simulator containing the values used and results obtained. Also, give reasons why the hit ratio increases when you change the size of caches?
4. Explain the reason for the number of bits being used for Tag and for the number of bits required for RAM address?

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