Q1 Calculate the total number of lines of "direct mapping" cache, If a main memory is 1G words divided into 128 Blocks, and the number of words in a memory block is 32 words.
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Q1 Calculate the total number of lines of "direct mapping" cache, If a main memory is 1G words divided into 128 Blocks, and the number of words in a memory block is 32 words.
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- Assume a fully associative cache of size 32kiB and block size of 64Bytes. Determine: i) the number of cache blocks. ii) the number of bits required for the cache block offset. iii) the number of Tag bitsFind the total bits required for given data size and calculate overhead in percentage: - How many total bits are required for a direct-mapped cache with 8KB of data and 4-word blocks, assuming a 32-bit address?Assume a cache memory hit ratio is 93% and the hit time is one cycle, but the miss penalty is 40 cycles. Then, Compute the average memory access time (AMAT)
- 1. For a direct-mapped cache design with a 32-bit address, the following bits of address are used to access the cache. Tag Index Offset 31-14 13-7 6-0 a. What is the cache block size (in words)? b. How many entries does this cache have? c. What is the ratio between total bits required for such a cache implementation over the data storage bits?If we have to design a 4 - way set - associative cache of 8 MB size that could work for a main memory of size 4 GB , determine the following : 1. The total number of cache locations 2. The size of tag Consider the cache block size as 4 bytes . Note:- Here he want the number of cache locations And, the size of tag show all the steps.A computer using direct mapping cache has 256Mbytes of byte addressable main memory and cache size of 32k lines and each cache block contain 8 bytes. How many blocks of main memory are there?What are the size of the tag, line number and words?To which cache block will the memory address 13ADEF9H map?To which line number will the memory address 17FEAD8H map?
- Suppose a direct-mapped cache uses a 32K L1 memory and a 256K L2 memory. How many of the L2 address bits will L1 use as tag bits?Assume we have a computer with 512 blocks of cache memory with a total capacity of 128K bits. Answer the following questions knowing that the computer operates in a word addressable mode and that the format of the memory address as perceived by the Fully associative cache scheme is as shown below: Cache Format with Full Associativity 19 5 1- How many words are in each cache block? 2- How big are the letters in each word? 3- How large is the primary memory? 4- What is the total number of blocks in main memory? 5- Draw the memory address format as observed by the Direct Mapped Cache technique, including the fields and their sizes.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?
- For a direct-mapped cache design with a 32-bit address, the following bitsof the address are used to access the cache. Use the table below. a. What is the cache block size (in words)?b. How many entries does the cache have?c. What is the ration between total bits required for such a cache implementation overthe data storage bit?Determine which bits in a 32-bit address are used for selecting the byte (B), selecting the word (W), indexing the cache (I), and the cache tag (T), for each of the following caches: A. 64-line, direct-mapped, write-through, 8 byte lineAssume that we have a computer with a cache memory of 512blocks with a total size of 128K bits. Knowing that the computer uses a word addressable mode and the format of the memory address as seen by the Fully associative cache scheme is as shown below, answer the below questions: Fully Associative Cache Format 1- How many words do we have in each cache block? 2- What is the size of each word? 3- What is the size of the main memory? 4- How many blocks are there in the main memory? 5- Draw the format of the memory address as seen by the Direct Mapped Cache scheme, showing the fields as well as their sizes.
