Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 6, Problem 6.33HW
Program Plan Intro
Given Information:
A 4-way set associative cache is given:
Index | Tag | V | Bytes 0-3 | Tag | V | Bytes 0-3 | Tag | V | Bytes 0-3 | Tag | V | Bytes 0-3 |
0 | F0 | 1 | ED 32 0A A2 | 8A | 1 | BF 80 1D FC | 14 | 1 | EF 09 86 2A | BC | 0 | 25 44 6F 1A |
1 | BC | 0 | 03 3E CD 38 | A0 | 0 | 16 7B ED 5A | BC | 1 | 8E 4C DF 18 | E4 | 1 | FB B7 12 02 |
2 | BC | 1 | 54 9E 1E FA | B6 | 1 | DC 81 B2 14 | 00 | 0 | B6 1F 7B 44 | 74 | 0 | 10 F5 B8 2E |
3 | BE | 0 | 2F 7E 3D A8 | C0 | 1 | 27 95 A4 74 | C4 | 0 | 07 11 6B D8 | BC | 0 | C7 B7 AF C2 |
4 | 7E | 1 | 32 21 1C 2C | 8A | 1 | 22 C2 DC 34 | BC | 1 | BA DD 37 D8 | DC | 0 | E7 A2 39 BA |
5 | 98 | 0 | A9 76 2B EE | 54 | 0 | BC 91 D5 92 | 98 | 1 | 80 BA 9B F6 | BC | 1 | 48 16 81 0A |
6 | 38 | 0 | 5D 4D F7 DA | BC | 1 | 69 C2 8C 74 | 8A | 1 | A8 CE 7F DA | 38 | 1 |
FA 93 EB 48 |
7 | 8A | 1 | 04 2A 32 6A | 9E | 0 | B1 86 56 0E | CC | 1 | 96 30 47 F2 | BC | 1 | F8 1D 42 30 |
- The number of physical address bits is represented by “m”.
- The size of cache represented is by “C”.
- The block of size in bytes is represented as “B”.
- Associativity is represented as “E”.
- The number of cache sets is represented by “S”.
- The number of tag bits is represented by “t”.
- The number of block offset bits is represented as “b”.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
- A cache has been designed such that it has 1024 lines, with each line or block containing 8 words. Determine the line number, tag, and word position for the 20-bit address 3E9D216 using the direct mapping method.
A cache has been designed such that it has 512 lines, with each line or block containing 8 words. Identify the line number, tag, and word position for the 20- bit address 3A45616 using the direct mapping method.
Do please
Chapter 6 Solutions
Computer Systems: A Programmer's Perspective (3rd Edition)
Ch. 6.1 - Prob. 6.1PPCh. 6.1 - Prob. 6.2PPCh. 6.1 - Prob. 6.3PPCh. 6.1 - Prob. 6.4PPCh. 6.1 - Prob. 6.5PPCh. 6.1 - Prob. 6.6PPCh. 6.2 - Prob. 6.7PPCh. 6.2 - Prob. 6.8PPCh. 6.4 - Prob. 6.9PPCh. 6.4 - Prob. 6.10PP
Ch. 6.4 - Prob. 6.11PPCh. 6.4 - Prob. 6.12PPCh. 6.4 - Prob. 6.13PPCh. 6.4 - Prob. 6.14PPCh. 6.4 - Prob. 6.15PPCh. 6.4 - Prob. 6.16PPCh. 6.5 - Prob. 6.17PPCh. 6.5 - Prob. 6.18PPCh. 6.5 - Prob. 6.19PPCh. 6.5 - Prob. 6.20PPCh. 6.6 - Prob. 6.21PPCh. 6 - Prob. 6.22HWCh. 6 - Prob. 6.23HWCh. 6 - Suppose that a 2 MB file consisting of 512-byte...Ch. 6 - The following table gives the parameters for a...Ch. 6 - The following table gives the parameters for a...Ch. 6 - Prob. 6.27HWCh. 6 - This problem concerns the cache in Practice...Ch. 6 - Suppose we have a system with the following...Ch. 6 - Suppose we have a system with following...Ch. 6 - Suppose that a program using the cache in Problem...Ch. 6 - Repeat Problem 6.31 for memory address0x16E8 A....Ch. 6 - Prob. 6.33HWCh. 6 - Prob. 6.34HWCh. 6 - Prob. 6.35HWCh. 6 - Prob. 6.36HWCh. 6 - Prob. 6.37HWCh. 6 - Prob. 6.38HWCh. 6 - Prob. 6.39HWCh. 6 - Given the assumptions in Problem 6.38, determine...Ch. 6 - You are writing a new 3D game that you hope will...Ch. 6 - Prob. 6.42HWCh. 6 - Prob. 6.43HWCh. 6 - Prob. 6.45HWCh. 6 - Prob. 6.46HW
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- 3. The table below represents five lines from a cache that uses fully associative mapping with a block size of 8. Identify the address of the shaded data, 0xE6, first in binary and then in hexadecimal. The tag numbers and word id bits are in binary, but the content of the cache (the data) is in hexadecimal. Word id bits Tag 000 001 010 011 100 101 110 111 ------------------------------------------ 1011010 10 65 BA 0F C4 19 6E C3 1100101 21 76 CB 80 D5 2A 7F B5 0011011 32 87 DC 91 E6 3B F0 A6 1100000 43 98 ED A2 F7 4C E1 97 1111100 54 9A FE B3 08 5D D2 88arrow_forwardA 2-way set-associative cache consists of four sets. Main memory contains 2K blocks of 8 bytes each and byte addressing is used.Q.) Compute the hit ratio for a program that loops three times from addresses 0x8 to 0x33 in main memory. You may leave the hit ratio in terms of a fraction.arrow_forwardDoarrow_forward
- d. Find out tag-set-word bits for memory address: 24EA09CHfor two-way set associative (Assume cache memory size 64 KB, number of bytes in each line is 8 bytes, and memory size is 64MB).arrow_forwardCO. A certain processor uses a fully associative cache of size 16 kB. The cache block size is 16 bytes. Assume that the main memory is byte addressable and uses a 32-bit address. How many bits are required for the Tag and the Index ticlds respectively in the addresses generated by the processor?arrow_forwardA cache is set up with a block size of 32 words. There are 64 blocks in cache and set up to be 4-way set associative. You have byte address 0x8923. Show the word address, block address, tag, and index Show each access being filled in with a note of hit or miss. You are given word address and the access are: 0xff, 0x08, 0x22, 0x00, 0x39, 0xF3, 0x07, 0xc0.arrow_forward
- A 2-way set-associative cache consists of four sets. Main memory contains 2K blocks of 8 bytes each and byte addressing is used.Q.) Show the main memory address format that allows us to map addresses from main memory to cache. Be sure to include the fields as well as their sizes.arrow_forwardSuppose a byte-addressable computer using set-associative cache has 216 bytes of main memory and a cache of 32 blocks, and each cache block contains 8 bytes.Q.) 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?arrow_forwardFor a direct-mapped cache design with a 32-bit address, the following bits of the address are used to access the cache. a. What is the cache block size in words? b. How many entries does the cache have? Tag 31-13 Index 12-6 Offset 5-0arrow_forward
- In the event that a request cannot be fulfilled by the cache, the processor will submit a request to main memory while the write buffer delivers the relevant data block. What steps need to be taken here?arrow_forwardSuppose a computer using direct-mapped cache has 232 bytes of byte-addressable main memory and a cache size of 512 bytes, and each cache block contains 64 bytes.Q.) What is the format of a memory address as seen by cache; that is, what are the sizes of the tag, block, and offset fields?arrow_forwardA 2-way set associative cache consists of four sets. Main memory contains 2K blocks of eight words each. Show the main memory address format that allows us to map addresses from main memory to cache. Be sure to include the fields as well as their sizes. Compute the hit ratio for a program that loops 6 times from locations 8 to 51 in main memory. You may leave the hit ratio in terms of a fraction. Please show details how you obtain the result.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Systems ArchitectureComputer ScienceISBN:9781305080195Author:Stephen D. BurdPublisher:Cengage Learning
Systems Architecture
Computer Science
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Cengage Learning