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Index 0 1 2 3 4 5 6 8 9 A B с D SOFERNSTENAABNES E F Tag 19 7 16 15 1B 36 32 OD 31 24 2D 2D ОВ 12 16 13 14 Cache: Direct mapped, 8-byte block, 16 Blocks Valid Blk 0 Blk 1 Blk 3 Blk 2 99 23 1 0 1 0 1 1 0 1 1 0 1 0 0 1 1 1 00 43 36 E1 3A 93 04 83 45 FINIONIN 11 02 6D 72 C2 00 15 - 96 77 23 04 12:55:5 8F FO DF DA 34 1B 11 181821831 \NIS16182 S NISSION: 14 08 09 1D 03 89 3B 15 D3 90 Blk 4 Blk 5 OA 67 8F 89 20 EA - F4 54 91 22 OC 78 62 91 21 EB 91 31 8C Blk 6 23 10 54 34 13 22 EC 03 07 5F Blk 7 24 14 11 71 E3 23 ED 18 1E 43 Given a physical address of 0xA7B, provide the following information (make sure you give your answers in binary for parts a-d; enter the exact bits, no leading zeros and no spaces): a) What is the block offset (in binary)? b) What is the set index (in binary)? c) What is the tag (in binary)? d) Do we have a cache hit (yes or no)? e) If your answer in part d) is "yes", what is the value of the data (use the hex value from the table directly; do not convert to binary)? Enter 0 if your answer in part d) is "no".

Index 0 1 2 3 4 5 6 8 9 A B с D SOFERNSTENAABNES E F Tag 19 7 16 15 1B 36 32 OD 31 24 2D 2D ОВ 12 16 13 14 Cache: Direct mapped, 8-byte block, 16 Blocks Valid Blk 0 Blk 1 Blk 3 Blk 2 99 23 1 0 1 0 1 1 0 1 1 0 1 0 0 1 1 1 00 43 36 E1 3A 93 04 83 45 FINIONIN 11 02 6D 72 C2 00 15 - 96 77 23 04 12:55:5 8F FO DF DA 34 1B 11 181821831 \NIS16182 S NISSION: 14 08 09 1D 03 89 3B 15 D3 90 Blk 4 Blk 5 OA 67 8F 89 20 EA - F4 54 91 22 OC 78 62 91 21 EB 91 31 8C Blk 6 23 10 54 34 13 22 EC 03 07 5F Blk 7 24 14 11 71 E3 23 ED 18 1E 43 Given a physical address of 0xA7B, provide the following information (make sure you give your answers in binary for parts a-d; enter the exact bits, no leading zeros and no spaces): a) What is the block offset (in binary)? b) What is the set index (in binary)? c) What is the tag (in binary)? d) Do we have a cache hit (yes or no)? e) If your answer in part d) is "yes", what is the value of the data (use the hex value from the table directly; do not convert to binary)? Enter 0 if your answer in part d) is "no".

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Our system has the L1 cache that is physically addressed and direct mapped with a 8- byte line and 16 total entries. The current content of the cache appears below: Index 0 1 2 1B 3 4 5 6 8 9 A B C D E F Tag 19 15 PAST 36 32 OD 31 16 24 2D 2D OB 12 16 13 14 Cache: Direct mapped, 8-byte block, 16 Blocks Valid Bik 0 Blk 1 Blk 2 Blk 3 99 11 23 14 1 0 T 0 1 1 0 1 1 0 1 0 0 1 1 1 00 43 36 E1 3A 93 04 83 45 02 6D 72 C2 00 15 96 77 23 04 8F FO DF 51 DA 34 1B 11 08 09 1D 03 89 3B 15 D3 90 Bik 4 21 OA 67 8F 89 20 EA F4 54 91 Blk 5 NIB 2815518 22 OC 78 62 91 EB 91 31 8C Blk 6 23 10 54 34 13 NIULISS 22 EC 03 07 5F Blk 7 24 14 FF18 11 71 E3 23 ED 18 1E 43 Given a physical address of 0xA7B, provide the following information (make sure you give your answers in binary for parts a-d; enter the exact bits, no leading zeros and no spaces): a) What is the block offset (in binary)? b) What is the set index (in binary)? c) What is the tag (in binary)? d) Do we have a cache hit (yes or no)? e) If your answer in part d) is "yes", what is the value of the data (use the hex value from the table directly; do not convert to binary)? Enter 0 if your answer in part d) is "no".
Transcribed Image Text:Our system has the L1 cache that is physically addressed and direct mapped with a 8- byte line and 16 total entries. The current content of the cache appears below: Index 0 1 2 1B 3 4 5 6 8 9 A B C D E F Tag 19 15 PAST 36 32 OD 31 16 24 2D 2D OB 12 16 13 14 Cache: Direct mapped, 8-byte block, 16 Blocks Valid Bik 0 Blk 1 Blk 2 Blk 3 99 11 23 14 1 0 T 0 1 1 0 1 1 0 1 0 0 1 1 1 00 43 36 E1 3A 93 04 83 45 02 6D 72 C2 00 15 96 77 23 04 8F FO DF 51 DA 34 1B 11 08 09 1D 03 89 3B 15 D3 90 Bik 4 21 OA 67 8F 89 20 EA F4 54 91 Blk 5 NIB 2815518 22 OC 78 62 91 EB 91 31 8C Blk 6 23 10 54 34 13 NIULISS 22 EC 03 07 5F Blk 7 24 14 FF18 11 71 E3 23 ED 18 1E 43 Given a physical address of 0xA7B, provide the following information (make sure you give your answers in binary for parts a-d; enter the exact bits, no leading zeros and no spaces): a) What is the block offset (in binary)? b) What is the set index (in binary)? c) What is the tag (in binary)? d) Do we have a cache hit (yes or no)? e) If your answer in part d) is "yes", what is the value of the data (use the hex value from the table directly; do not convert to binary)? Enter 0 if your answer in part d) is "no".
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