Question 1. Explain the Advantages and disadvantages of 3 mapping techniques between main memory to cache
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Question 1. Explain the Advantages and disadvantages of 3 mapping techniques between main memory to cache
memory in the tabular form. show how and from where CPU will access the word from the cache
memory in each mapping technique with the help of diagram. Take the word number as per your roll no.
for example if your roll no is 63 than you have to show how and from where CPU will access W63 from
the cache memory with the help of diagram. Assume the main memory size as 8 KB, line size 128 bytes,
cache size 2 K bytes and k value is 2 .
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- Explain the Comparison of 3 mapping techniques between main memory to cache memory in the tabular form. show how and from where the CPU will access the word from the cache memory in each mapping technique with the help of a diagram. Take the word number as per your roll no. for example if your roll no is 35 then you have to show how and from where the CPU will access W35 from the cache memory in case of each mapping technique with the help of the diagram. Assume the main memory size is 16 KB, line size 128 bytes, cache size 1K bytes and k value is 4.Design the memory mapping between the Cache memory of 64MB to the main memory of 4 GB using 8 way set associative method where the block or page or frame size is of 16KB. Consider each memory location is byte addressable. Write the number of bits required for memory address, tag address, block address and block location. In above memory mapping show the final Cache memory for block number 128 in the main memory which contains tag, block address and block location fields.Explain the Advantages and disadvantages of 3 mapping techniques between main memory to cachememory in the tabular form. show how and from where CPU will access the word from the cachememory in each mapping technique with the help of diagram. Take the word number as per your roll no.for example if your roll no is 35 than you have to show how and from where CPU will access W35 fromthe cache memory with the help of diagram. Assume the main memory size as 8 KB, line size 128 bytes,cache size 2 K bytes and k value is 2. note: my roll number is 81 please sir i need Full answer with full details
- Explain the Advantages and disadvantages of 3 mapping techniques between main memory to cachememory in the tabular form. show how and from where CPU will access the word from the cachememory in each mapping technique with the help of diagram. Take the word number as per your roll no.for example if your roll no is 35 than you have to show how and from where CPU will access W35 fromthe cache memory with the help of diagram. Assume the main memory size as 8 KB, line size 128 bytes,cache size 2 K bytes and k value is 2 . Note: please consider my roll no is: 81 not 82 please sir i need full answer with full detailsExplain the Advantages and disadvantages of 3 mapping techniques between main memory to cachememory in the tabular form. show how and from where CPU will access the word from the cachememory in each mapping technique with the help of diagram. Take the word number as per your roll no.for example if your roll no is 35 than you have to show how and from where CPU will access W35 fromthe cache memory with the help of diagram. Assume the main memory size as 8 KB, line size 128 bytes,cache size 2 K bytes and k value is 2 . Note: my roll no is: 82If memory read cycle takes 100 ns and a cache read cycle takes 20 ns, then for four continuous references, the first one brings the main memory contents to cache and the next three from cache. Find the time taken for the Read cycle with and without Cache? What is the Percentage speedup obtained?
- Suppose we have a 16-bit main memory address and 32 blocks of cache memory accessible on a byte-addressable computer using 2-way set associative mapping. Display your results after calculating the offset field size based on the fact that each block contains 8 bytes.Question 1: (a) Draw and Explain Memory Hierarchy. (b) Explain the three techniques of mapping function needed for mapping main memory blocks into cache lines.Consider a main memory with size 512MB with cache size 64KB and memory block is 4 bytes. Assume that the memory word is 1 byte . Answer following question How many address bits are required ti address the main memory locations ? How many blocks are there in the cache memory? Determine how to split the address (s-r, d ,w )for direct mapping? Determine how to split the address (s-d, d ,w )for set associative mapping .Assume each cache set is 4 line of cache
- Assume a byte-addressable computer uses 2-way set associative mapping to provide access to 32 cache memory blocks from a main memory address of 16 bits. Put forward the outcomes of your calculation of the offset field size, taking into account the fact that each block consists of 8 bytes.Design a cache with cache size of 128K bytes, block (line) size of 8 words, and word size of 4 bytes. Consider a computer with 64-bit physical address. The cache is addressed by physical address. a. Determine the tag array size (in bytes) for three cache implementations (direct-mapped, 16-way, set-associative, and fully associative). b. Using the tag array sizes computed in (a), compare the percentage overhead of different cache designs. In other words, compute the percentage of the tag array compared to the original cache design (128K), and identify the best, moderate and worst cache implementations in terms of tag area overhead. c. Why would anyone use the implementation you identified in (b) with worst area (tag array) overhead? In other words, identify a scenario when a designer will use the cache implementation that you identified in (b) with worst area overhead.Suppose a byte-addressable computer using set associative cache has 224 bytes of main memory and a cache size of 64K bytes, and each cache block contains 32 bytes. a) If this cache is 2-way set associative, what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, set, and offset fields? b) If this cache is 4-way set associative, what is the format of a memory address as seen by the cache?