Assume a Cache is of 64KByte. The Cache line / Block size is 4 Bytes. Main memory of 16MBytes. (a) How many cache lines are needed ? (b) How many memory blocks are needed ? (c) How many blocks will map to the same line ?
Q: Suppose the cache access time is 1 ns, main memory access time is access is initiated with cache…
A: Answer: Given Cache access time :1ns Main memory access time :100ns Cache hit rate:98%=0.98 Cache…
Q: Find the total bits required for given data size and calculate overhead in percentage: - How many…
A: Direct mapping is the simplest strategy, and it maps every block of memory space into only one…
Q: Consider a direct mapped cache with 4 sets (S), 8 bytes per block (B), with an 8 bit address space.…
A: We are given direct mapped cache with sets, block size and address space. We are going to find out…
Q: A block-set associative cache memory consists of 128 blocks divided into four block sets. The main…
A: To find no. of bits required for addressing the main memory, to represent the TAG, SET AND WORD…
Q: For a cache memory of size 32 KB, how many cache lines (blocks) does the cache hold for block sizes…
A: Introduction : Given , cache size is = 32 KB block size = 32 byte or 64 byte we have to calculate…
Q: Calculate the block number of the main memory for the address 722542 (decimal).
A: Answer:The block number of the main memory is 5645.
Q: For a cache memory of size 32 KB, how many cache lines (blocks) does the cache hold for block sizes…
A: For Block size of 32Bytes, Total number of blocks inside cache = Cache size / Block size =…
Q: For a machine with 4 GB virtual memory, 1 GB physical memory, 8 KB page size, 64 KB direct-mapping…
A:
Q: Suppose a direct-mapped cache uses a 16K L1 memory and a 256K L2 memory. How many of the L2 address…
A:
Q: Assume that we have a computer with a cache memory of 512 blocks with a total size of 128K bits.…
A: Given:
Q: Assume that a cache is direct-mapped and stores 8 blocks. Each block is 16 bytes. Given the…
A: The requested addresses are, 0x10 0x14 0x20 0xA0 0x20 0x10 0xA0 0xAC The addresses in binary are,…
Q: Suppose a computer using direct-mapped cache has 232 bytes of byte-addressable main memory and a…
A: Given: The computer is using direct mapped cache. Size of main memory = 232 Size of block = 1024…
Q: Consider now a fully associative cache where each cache line holds 32 words. The machine word (the…
A: Actually, cache is a one of the memory. It is a fast access memory. It is located in between cpu and…
Q: Consider a 4-way set associative cache made up of 64-bit words. The number of words per line is 8…
A: To calculate the size of the cache, use the following formula –
Q: 1. CPU with 2ns clock, hit time = 1 cycle, miss penalty = 40 cycles, cache hit rate = 90% AMAT =…
A: Note: Answering the first question as per the guidelines Given Data : CPU cycle Time = 2ns Hit Time…
Q: Consider a 4-way set ansociative cache made up of 64-bit words. The number of words per line is 8…
A: Cache memory is the faster then RAM. Its size is small as compared to RAM.
Q: Consider a 64K L2 memory and a 4K L1 direct mapped cache with block sizes of 512 values. a. How…
A: L1 cache size = 4 KB = 212 B L2 cache size = 64 KB = 216 B block size = 512 B a) no. of blocks in…
Q: Consider a computer with the following characteristics • total of 1Mbyte of main memory • word size…
A: Answer : Memory = 1MB => 20 bits. Block size = 64B=> Block Offset = log 64 = 6 bits. A) Total…
Q: Q(5) A memory system and a direct mapped cache with following characteristics is given. Main memory…
A: Below is the answer to answer to the above question. I hope this will be helpful for you..
Q: Consider a cache, in which the block has 512 bytes. The main memory has a latency of 32 ns and a…
A: We are given block size of a cache and main memory latency with bandwidth. We are asked the time…
Q: 4. Consider a 64K L2 memory and a 4K L1 4-way associative cache with block sizes of 512. a. How many…
A: Here we calculate the followings terms by using the given information and conclude the answer , so…
Q: If T1 is L1 cache access time, T2 is L2 cache access time Tm is memory access time, h1 is hit rate…
A: Derivation: In cache memory, the average access time for single level cache organization is given…
Q: Consider a 2-way set associative cache with 32-bit address. The block offset takes 5 bits, the index…
A: Eасh set соntаins twо wаys оr degrees оf аssосiаtivity. Eасh wаy соnsists оf а dаtа…
Q: Consider a direct-mapped cache with 32-bit byte addresses divided into three fields Tag/Index/Offset…
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Q: Cache Mapping Technique 1. Suppose a computer using direct-mapped cache has 2 bytes of…
A:
Q: 1. Assume that L1 cache can be written with 16bytes every 4 processor cycle, the time to receive the…
A: Given that, The block size of L1 is 64 bytes. So here we have to wait for the entire 64 bytes to be…
Q: 2. Assume a direct-mapped cache with 4 4-byte blocks. For each reference, list the binary address,…
A: Given: Note that you will need to convert them to binary: 3, 180, 43, 2, 191, 88, 190, 14, 181, 44,…
Q: 10. In a machine with 36-bit physical addresses, a cache block is 2K bytes in size. The cache can…
A: Cache proves to be a source: Direct modeling is a tool for assigning each memory cell in the primary…
Q: Consider a two-tier memory system consisting of cache (SRAM) and main memory (DRAM). The cache…
A: The answer is
Q: There is a 128 byte, direct-mapped cache where each cache block contains 8 bytes on a 16bit…
A: Answer:-
Q: QUESTION 4 Consider a direct mapped cache of 64 KİB. The block size is 128 bytes. The number of bits…
A: Solution : (4)cache memory capacity = 64 kiB = 2^16 BytesBlock size = 128 bytes = 2^7 bytesNumber of…
Q: Suppose a computer using fully associative cache has 224 words of main memory and a cache of 512…
A: Explanation: Cache has 224 words main memory with 24 bits Each cache contains 16 words =24 words…
Q: 32K L1
A: given - Suppose a direct-mapped cache uses a 32K L1 memory and a 256K L2 memory. How many of the L2…
Q: Assume a 64 KiB direct-mapped cache with a 32-byte block. What is the miss rate for the address…
A: Given scenario: Direct-mapped cache 64KiB with 32-byte block. The given address streams are 0, 2,…
Q: A two-way set associative cache memory uses blocks of four words. The cache can accommodate a total…
A: A) Block size = 4 words. So block offset is 2 bits. Word size = 4B So word offset is 2 bits Total…
Q: The creator of a 4 KiB physically labeled and virtually indexed cache wants to increase its size. Is…
A: Given situation Virtual address size, page size, and page table entry size are all page table…
Q: Consider a memory system with cache access time of 0.1 us and memory access time (time needed to…
A:
Q: Consider a main memory with size 512MB with cache size 64KB and memory block is 4 bytes. Assume…
A: We are given main memory as 512 MB with 64KB cache. And block offset is 4 bytes. We are going to…
Q: Consider a computer with the following characteristics: total of IMbyte of main memory, Content of…
A: Given: Main memory size is 1 MB. Word size is 1 Byte. Block size is 16 bytes Cache size is 64 Kbytes…
Q: 3. Assume a 2-way set associative cache with a 8 2-byte blocks. For each reference, list the binary…
A: Given data, 32 bit memory address Byte addresses: 3 180 43 2 191 88 190 14 180 44 186 253
Q: Q1 Calculate the total number of lines of "direct mapping" cache, If a main memory is 1G words…
A: Here in this question we have given main memory size of 1G words Block size = 32 words Find =…
Q: Design 64KW, 16-way set associative unblocked cache that has 8 bytes per word. Assume a 64 bit…
A: Cache memory Size = 64KW = 216 word No of set present in cache memory = 216 / 16…
Q: Assume a cache of 1 MB organized as 32 bytes each line. The main memory is 256 MB. a. Determine the…
A: Cache is =1MB; and main memory=256MB; and the line size is =32bytes The number of…
Q: Suppose the cache access time is 20ns, main memory access time is 100ns, and the cache hit rate is…
A: Given: Suppose the cache access time is 20ns, main memory access time is 100ns, and the cache hit…
Q: Fully Associative Parameters • Main Memory: 2 GB • Block/Line Size: 32 B • Cache: 1 MB Fully…
A: INTRODUCTION: Here we need to answer the following questions:
Q: Consider a 64K L2 memory and a 4K L1 2-way associative cache with block sizes of 512. a. How many…
A: Given, size of L2 = 64K and size of L1 = 4K associativity = 4 - way and , block size = 512
Q: Given 256 GB of physical memory, a 2-way set associative cache that is 128 KB in size with a block…
A: Ans.1: 16 bytesEach block has 16 bytes. Calculate the number of bits in the TAG, SET, and OFFSET…
Q: Consider a cache of 4 K blocks, a 4 word block size and a 32 bit address main memory. What is the…
A: The total number of tag bits per set for 4-way set associative cache
Q: For a direct-mapped cache with 64KIB data, 8-word blocks, and 32-bit addresses, answer the following…
A: a) The number of blocks/lines in the cache. b) The bits in the 32-bit address that are used as…
Q: Consider a cache with 64 blocks and a block size of 16 bytes. To what block number does byte address…
A: Total No of Block=64 ,Memory block Number=Byte address Block Size =1200/16, =75.Now we have to find…
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- 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 of 32 bits has a cache memory of 64 KB with a cache line size of 64 bytes. The cache access time is 20 ns, and the miss penalty is 120 ns. The cache is 2-way associative. a) What is the number of cache lines? b) What is the number of cache sets? c) What is the number of lines per set? d) Draw a scheme of this cache. e) Calculate the time to read a word in case of miss.Q: A digital computer has a memory unit of 64k * 16 and a cache memory of 1k words. The cache uses direct mapping with a block size of 4 words. i) How many bits are there in the tag, index, block & words fields of the address formats. ii) How many bits are there in each word of cache? iii) How many blocks can the cache accommodate?
- 5. suppose a computer using fully associative cache has 224 bytes of byte-addressable main memory and a cache of 128 blocks, where 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 the cache ; that is, what are the size of the tag and offset field. c) To which cache block will the memory address 0x01D872 map?A digital computer has a memory unit of 64k * 16 and a cache memory of 1k words. The cache uses direct mapping with a block size of 4 words.i) How many bits are there in the tag, index, block & words fields of the address formats.ii) How many bits are there in each word of cache?iii) How many blocks can the cache accommodate?Suppose a computer using direct mapped cache has 236 bytes of byte-addressable main memory and a cache size of 1024 bytes, and each cache block contains 64 bytes. ⦁ How many blocks of main memory are there? ⦁ 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? ⦁ To which cache block will the memory address 0x13A4576B map?
- Suppose a computer using fully associative cache has 220220 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}01D872_{16} map?Computer Science Consider a direct-mapped cache with 8 lines, each holding 16 bytes of data. The cache is byte-addressable and the main memory consists of 64 KB, which is also byte-addressable. Assume that a program reads 16KB of memory sequentially. Answer the following questions:a) How many bits are required for the tag, index, and offset fields of a cache address?b) What is the cache size in bytes?c) What is the block size in bytes?d) What is the total number of blocks in main memory?e) How many cache hits and misses will occur for the program, assuming that the cache is initially empty?f) What is the hit ratio?g) Give an example virtual address (in BINARY) that will be placed in cache line 5.Suppose a computer using fully associative cache has 4 GB of byte-addressable main memory and a cache of 256 blocks, where each block contains 256 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 0X1A1B1C1D map?
- Suppose a computer using fully associative cache has 224224 words of main memory and a cache of 512 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, i.e., what are the sizes of the tag and offset fields? c. To which cache block will the memory reference 1604181616041816 map? Also... Suppose a computer using set associative cache has 216216 words of main memory and a cache of 128 blocks, and each cache block contains 8 words. 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?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 232 words of main memory, and a cache of 1024 blocks, where each cache block contains 32 words. How many blocks of main memory are there? What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag, block, and offset fields? To which cache block will the memory reference 0003101A16 map?