What is the time for main memory to transfer a block of size 64 to main memory. The time for the address is 10 cycles, the time for data is 2 cycles. Solve for
a) no optimization
b) K= 4
c) M=4
d) K=2, M=2
What is the time for main memory to transfer a block of size 64 to main...
Consider a memory hierarchy using one of the three organization for main memory shown in a figure below. Assume that the cache block size is 32 words, That the width of organization b is 4 words, and that the number of banks in organization c is 2. If the main memory latency for a new access is 10 cycles, sending address time is 1 cycle and the transfer time is 1 cycle, What are the miss penalties for each of...
For a given computer system, the main memory is 256Mbyte; word size is 4 bytes; block size is 64 bytes; cache size is 64 Kbytes. what is the number of cache line? Question 3 options: A 64Kbyte/4bytes B 256Mbyte/4bytes C 256Mbyte/64bytes D 64Kbyte/64bytes Question 4 (3 points) Consider a magnetic disk drive with 8 double sided platters, 2000 tracks per disk surface. Each track has a capacity 2048 KBytes. Sector size is 2KBytes. What is the capacity of acylinder? Question...
Please refer the following memory system : Main memory : 64 MB Cache memory: 64 KB Block size of 1 KB 1. Direct Mapping Offset bits? Number of lines in cache? Line number bits? Tag size? 2. Fully Associative Mapping Offset bits? Tag size? 3. 2-way set-associative mapping Offset bits? Number of lines in cache? Set number bits? Tag size? 4. 4-way set-associative mapping Offset bits? Number of lines in cache? Set number bits? Tag size?
Suppose a computer has 216 words of main memory, and a cache of 64 blocks, where each cache block contains 32 words. Please explain step by step. a) If this cache is a direct-mapped cache, what is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag and word fields? b) To which cache block will the memory reference F8C9 map? c) If this cache is fully associative, what is the...
For a direct-mapped cache memory, the following data is given.
Main memory
Cache memory
Size =
64KB
Size = 128B
Block size =
8Bytes
Block size = 4Bytes
Calculate the following:
Number of blocks created in main memory.
Number of blocks created in cache memory.
The distribution of the address fields in the system.
Q5. For a direct-mapped cache memory, the following data is given. Main memory Cache memory Size...
b) Compute the miss penalty to transfer 8 words cache block from DRAM, where it takes 2 memory bus cycles to send the address, 25 memory bus cycles for DRAM access time and 3 memory bus cycles to send one word of data for the following three organizations: (i) Oneword-wide memory organization, (ii) Wide memory organization (4-word wide) and (iii) Interleaved memory organization (4 banks). Show all your work to get full credit.
1- A 64-bit computer system employs a 16Gbyte main memory and a 32 Kilo word cache. Determine the number of bits in each field of the memory address register (MAR) as seen by cache in the following organizations (show your calculations): Fully associative mapping with line size of 2 words. A. Direct mapping with the line size of 8 words. B. C. 4-way associated mapping with the line size of 1 words.
1- A 64-bit computer system employs a 16Gbyte...
A computer with a 24‐bit address bus has a main memory of size 16 MB and a cache size of 64 KB. The word length is two bytes. a. What is the address format for a direct mapped cache with a line size of 32 words? b. What is the address format for a fully associative cache with a line size of 32 words? c. What is the address format for a 4‐way set associative cache with a line size...
Q4. CISC/RISC and Cache Memory (24pts) Q4-1. Assume that UltraSpark-like processor has an L1 cache with the following specifications: 40-bit wide address and 64-bit wide data busses On-chip instruction cache Cache is 16K bytes, organized as a 2-way set associative Cache line (block) size = 64 bytes 200 MHz clock frequency Average cache hit rate = 90% Instructions located in cache execute in 1 clock cycle Instructions that are not found in the on-chip cache will cause the processor to...
QUESTION 2 Suppose a computer using direct mapped cache has 216 bytes of byte-addressable main memory and a cache of 64 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 as seen by the cache, (include field names and their sizes) c) To which cache block will the memory address (F8C916 map? What address in that block does it map to?