3) A computer has 8 GByte of memory with 64 bit word sizes. Each block of memory stores 16 words. The computer has a direct-mapped cache of 128 blocks. The computer uses word-level addressing which means that the offset refers to individual words (not bytes) in the block. a) What is the address format? Give the total number of bits needed and how the bits are distributed between the tag, index (which block) and offset. b) If we change the cache to a 4-way set associative cache, what would be the address format?
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- A computer is using a fully associative cache and has 216 bytes of main memory (byte addressable) and a cache of 64 blocks, where each block contains 32 bytes. a. How many blocks of main memory are there? b. What will be the sizes of the tag, index, and byte offset fields? c. To which cache set will the memory address 0xF8C9(hexadecimal) map?Suppose a computer using fully associative cache has 4G bytes of byte-addressable main memory and a cache of 512 blocks, where each cache block contains 128 bytes. a) How many blocks of main memory are there? b) What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag and offset fields? c) To which cache block will the memory address 0x018072 map?A computer using a direct mapped cache has 220 Bytes of memory (byte addressable) and a cache of 32 blocks, each block contains 16 Bytes. a. How many blocks of main memory are there? b. What will be the sizes of the tag, index, and byte offset fields? c. To which cache set will the memory address 0x0DB63 map?
- Suppose a computer using direct mapped cache has 4G Bytes of main memory and a cache of 256 Blocks, where each cache Block has 16 Words, and Word Size is 4 Bytes. a)How many blocks of main memory? b)What is the format of a memory address as seen by the cache (Tag, Block and Word fields)? c)To which cache block will the memory reference 0000146A in Hex?A digital computer has a memory unit of 64K X 16 and a cache memory of 1K words. The cache uses direct mapping with a block size of four words.i) How many bits are there in the tag, index, block and word fields of the address format?ii) How many bits are there in each word of cache, and how are they divided into functions? Include a valid bit.iii) How many blocks can the cache accommodate?Suppose a computer using direct mapped cache has 2^24 bytes of byte- addressable main memory and a cache size of 64K bytes, and each cache block contains 32 bytes. (Note: 64K = 26 * 210) a) How many blocks of main memory are there? b) What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?
- Suppose a computer using direct mapped cache has 2^32 bytes of byte-addressable main memory, and a cache size of 512 bytes, and each cache block contains 64 bytes. a) how many blocks of main memory are there? b) what is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields? c) to which cache block will the memory address 13A4498A map?5a Into what line would bytes with each of the following addresses be stored 0001 0001 0001 10111100 0011 0011 0100 b i Suppose the byte with address 0001 1010 0001 1010 is stored in the cache. What are the addresses of the other bytes stored along with it? ii How many total bytes of memory can be stored in the cache?Suppose a computer using fully associative cache has 4 Gbytes of byte-addressable main memory and a cache of 256 blocks, where each cache block contains 32 bytes. a) How many blocks of main memory are there? b) What is the format of a memory address? Provide the names and the sizes of the fields. c) To which cache block will the memory address 0x01752 map?
- Suppose a computer using fully associative cache has 220 words of main memory and a cache of 128 blocks, where each cache block contains 16 words. (a) How many blocks of main memory are there? (b) What is the format of a memory address as seen by the cache, that is, what are the sizes of the tag and word fields? (c) To which cache block will the memory reference 01D872_{16} map?Suppose a computer using direct-mapped cache has 2 bytes of byte-addressable main memory and a cache of 32 blocks, where each cache block contains 16 bytes.Q.) What is the format of a memory address as seen by the cache; that is, what are the sizes of the tag, block, and offset fields?You are given a main memory of 64Mbytes with each byte addressable and asked to design a cache memory using direct mapping. The main memory is organized as blocks of 8bytes. The cache memory must have a size of 512Kbytes. What should be the size of the tag in bits?