Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- Problem 0. The following table gives some of the parameters for a number of different hardware caches. Fill in the table with the values of the missing parameters. Recall that m is the number of physical address bits, C is the cache size in bytes, B is the block size in bytes, E is the associativity, i.e., lines per set, S is the number of sets, t is the number of tag bits, s is the number of set index bits, and b is the number of block offset bits. Cache m 48 32030 (b) 48 32 24 24 C B E 16384 32 16 32768 64 65536 128 512 32 1024 8 8 4 14 1 4 S b S tarrow_forwardSubject code -rcs503 Computer architecturearrow_forwardHow much of a log entry's data can a particular log processing function access? The following code determines the typical number of cache misses per entry while using 64-byte cache blocks and no prefetching.arrow_forward
- How much of a log entry's data can a particular log processing function access? The following code determines the typical number of cache misses per entry while using 64-byte cache blocks and no prefetching.arrow_forwardIs there a way to find out which parts of a log entry a certain log processing function can read? The following code determines the typical number of cache misses per entry while using 64-byte cache blocks and no prefetching.arrow_forwardA memory system has 4 KB byte-addressable main memory and a direct-mapped cache that consists of 8 blocks with 16 bytes per block. The following shows the main memory address format that allows us to map addresses from main memory to cache. Note: 12 bit address, 4 bit offset, 3 bit $block, and 5 bit tag Assume the cache directory shown below:arrow_forward
- Suppose 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_forwardHow does a cache function when it stores data in a wholly associative format?arrow_forwardHow much of a log entry's data can a particular log processing function access? The following code determines the typical number of cache misses per entry while using 64-byte cache blocks and no prefetching.arrow_forward
- 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?arrow_forwardComputer science homework Please help me with this homework question.arrow_forwardAssume the address format for a fully-associative cache is as follows: 6 bits 2 bits Tag Offset 8 bits Given the cache directory is as shown in the diagram below, indicate whether the memory reference Ox5E results in a cache hits or a miss. Tag valid Block 000 110110 001 000001 010 000010 011 000101 100 001000 1 101 100010 110 010111 111 110110 O Hit O Missarrow_forward
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