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 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 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?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 bits
- Assume 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.Suppose a computer using set associative cache has 221 words of main memory and a cache of 64 blocks, where each cache block contains 4 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 word fields? b)If this cache is 4-way set associative, what is the format of a memory address as seen by the cache?. Fully AssociativeParameters• Main Memory: 2 GB• Block/Line Size: 32 B• Cache: 1 MB Fully AssociativeQuestions• How many main memory blocks are there?• How many cache lines are there?• How many memory blocks map to a single cache line?• What is the address breakdown for RAM?Block Index Byte Offset• What is the address breakdown for cache?Tag Byte Offset• Lookup Algorithm for Address X:
- 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.Suppose a byte-addressable computer using set associative cache has 2^24 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?Assume a cache system has been designed such that cach block contains 4 words and the cache has 1024 lines, the cache can store up 10 1024 blocks. What line of the cache is supposed 10 hold the block that contains the word from the twenty-bit address JA456:? In addition, what is the tag number that will be stored with the block?
- 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?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.1. CPU with 2ns clock, hit time = 1 cycle, miss penalty = 40 cycles, cache hit rate = 90% AMAT = ___ ns.? 2. A memory system with cache memory has an 8-bit word address. Each memory block (or cache line) consists of 4 words. How many bits are used for the word offset in an address? 3. A memory system with cache memory has an 8-bit word address. The direct-mapped mapping technique is used. The cache memory has 8 cache blocks. How many bits are used for the block index field in an address?