Some portion of cache system B represented a 2way set-associative mapping cache system.The system is byte-addressable and the block site is one word (4 bytesl The tag and set number are represented with a binary numbers. The contents of words in theblock are mpreserted with headecimalTagSet NumberWord within blockbo0110ho s000 0100 10010110 110111 1100 0100 1001p110 110172s0 1000 0100 10010110111011 1100 0100 110s0110 1110ho 1000 0100 100120t1100 0100 100101101111to to00 os00 soon100000110sb1110000boiooo sesboso3. f we request memory read from memory address F1 35 C3, what data do we read?4 we request memory read from memory address A1 25 BA, what data do we read?S.H we access memory as the following order in cache system 8A1 FF 8881 FF B8AL FF B8B1 FF BAS FF 61FF BRhow many cache ie would ocou for the data ret

Some portion of cache system B represented a 2 way set-associative mapping cache system. The system is byte-addressable and the block size is one word (4 bytes. The tag and set number are represented with a birary numbers. The contents of words in the block are mpresented with headecimal Tag Set Nuimber Word within block 01 10 bo s000 0100 1001 01101101 1 11000100 1001 b110 1101 32 to 1000 0100 1001 b110 1110 1100 0100 1101 b1101110 bo s000 0s00 1001 e110 1111 b1101111 ho 1000 000 s00n p10000 10000010 b1110000 ss10001 voei onto a1.0010 8.

Some portion of cache system B represented a 2 way set-associative mapping cache system. The system is byte-addressable and the block size is one word (4 bytes. The tag and set number are represented with a birary numbers. The contents of words in the block are mpresented with headecimal Tag Set Nuimber Word within block 01 10 bo s000 0100 1001 01101101 1 11000100 1001 b110 1101 32 to 1000 0100 1001 b110 1110 1100 0100 1101 b1101110 bo s000 0s00 1001 e110 1111 b1101111 ho 1000 000 s00n p10000 10000010 b1110000 ss10001 voei onto a1.0010 8.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Assume the address format for a fully-associative cache is as follows: Tag Offset b Given the cache directory is as shown in the diagram below, indicate whether the memory reference OxDA results in a cache hits or a miss. Tag valid Block 000 110110 1 000001 1 001 010 ? 000010 011 000101 100 001000 101 100010 110 010111 110110 O Miss Hit D 111 1 1 1 0 0 1
c) The table below represents 10 lines from a 256 line cache that uses direct mapping with a block size of 4 words. Identify the address of the shaded data (2C16). Line# Word 01 Word 10 Word 11 Tag 110101 Word 00 12 34 56 78 1 010101 54 32 6A D3 2 000111 29 8C ED F3 3 001100 33 A2 2C C8 4 110011 9A ВС D8 FO Major Topic Blooms Score Designation Cache Memory EV 7
What differentiates an associative cache from a directly mapped cache is the ability to arbitrarily associate data objects.
Linearly search an array element in C++. Create class private array.
5.b
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?
A message slot is a cache line that contains status flags and the message itself. The state can be empty or ready, and communication occurs through a single cache line. Both the sender and the receiver write the message to the cache line. The receiver updates the state from empty to ready, then polls the cache line in a loop waiting for the sender to send a message. The sender waits in a tight loop until the receiver acknowledges the cache line, changes the state from ready to empty, and acknowledges receipt. Explain that the system uses a snooping cache coherence protocol and describe the cache-coherence transaction taking place on the coherence bus when a message transfer occurs.
Suppose a byte-addressable computer using set associative cache has 8M byes of main memory and a cache of 128 blocks, where each cache block contains 64 bytes. a) If this cache is 4-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 16-way set associative, what is the format of a memory address as seen by the cache
c) The table below represents 10 lines from a 256 line cache that uses direct mapping with a block size of 4 words. Identify the address of the shaded data (8C16). 3 Line# Tag Word 10 Word 11 Word Word 00 01 110101 12 34 56 78 1 010101 54 32 6A D3 2 000111 8C A2 BC 29 ED F3 001100 33 20 C8 FO 110011 9A D8
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?
In a Direct Mapped Cache Memory Physical Address format the Cache line offset field size and word offset field size are same (with word size of one Byte). The number of tag bits in the Physical Address format is equal to the number of blocks in Cache Memory. If the Tag field Size is Mega words. 16 bits, the size of the physical Memory is
In a certain computer, the virtual addresses are 32 bits long and the physical addresses are 48 bits long. The memory is word addressable. The page size is 16 kB and the word size is 2 bytes. The Translation Look-aside Buffer (TLB) in the address translation path has 64 valid entries. Hit ratio of TLB is 100% then maximum number of distinct virtual addresses that can be translated is K.