Most memory systems contain both a translation lookaside buffer (TLB) used by th system, and a cache memory. Both the cache and the TLB have similar functions memory data in a faster "cache-like" memory that can be accessed at nearly p The question is why do these two separate mechanisms exist when they hav Durnoce2 Why have both ond a TLR? Why not juet cingle Cupore

Most memory systems contain both a translation lookaside buffer (TLB) used by th system, and a cache memory. Both the cache and the TLB have similar functions memory data in a faster "cache-like" memory that can be accessed at nearly p The question is why do these two separate mechanisms exist when they hav Durnoce2 Why have both ond a TLR? Why not juet cingle Cupore

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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Describe write-through and write-back cache modification as they are used in shared memory systems, and the advantages and disadvantages of both approaches.
Explain the benefits and downsides of both write-through and write-back cache modification in shared memory systems.
Because volatile RAM (Random Access Memory) already exists, what's the point of using a slower, less reliable cache memory instead?The electrical components called transistors are used in both random access memory (RAM) and cache memory. To what extent, if at all, can a computer get by with using just one kind of memory to carry out all of its functions?
Think about the distinction that exists between a cache that is completely associative and one that is directly mapped.
Consider a virtual memory system with the following characteristics for accessing memory: 1 nanosecond for a read operation with a hit in cache 5 nanoseconds for a read operation with a miss in cache 2 nanoseconds for a write operation with a hit in cache 10 nanoseconds for a write operation with a miss in cache The cache hit ratio is 0.9 If a sequence of instructions were executed: 100 instruction fetch operations, 60 memory operand read operations, and 40 memory operand write operations, what would be the average memory access time (in nanoseconds) in executing the sequence of instructions:
Buffers allow for speedier transfers across different levels of a memory structure. Consider all the possible buffers that may be present between the L2 cache and the main memory and write them down.
Explain me step by step please I’m providing answers though 1 is 8 2 is 512 ,3 is 64, 4 is 9 or 9 bit, 5 is 6 bit or 6, 7 is 17bit or 17.
Explain the differences between a write-through cache change and a write-back cache modification, how they function in shared memory systems, and the advantages and disadvantages of utilizing either method.
A main memory sized 8 GByte with 64 words/line is mapped to the following: a- A 16 KByte cache (Direct Mapping) b- A 32 K-line Cache (Direct Mapping) C-A 32kByte Cache (Associative Mapping) In each case, show how a physical address width will be assigned to words, lines, tages when applicable.
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Please solve quickly, computer architecture material, we look at 6 points and in two ways