'Fully associative cache' presentation slideshows

Virtual Memory

CS147 Lecture 14. Virtual Memory. Prof. Sin-Min Lee Department of Computer Science. Given the following implementation using a 3 ? 8 decoder with negated outputs, what is the function K(A,B,C) ?. a. K(A,B,C) = A.B' + A'.B.C b. K(A,B,C) = A.B + A'.B' + A'.C'

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FSM, Cache memory

FSM, Cache memory. Prof. Sin-Min Lee Department of Computer Science. CS147 Lecture 14. Processor. Input. Control. Memory. Datapath. Output. The Five Classic Components of a Computer. The Processor Picture. Processor/Memory Bus. PCI Bus. I/O Busses. Two Basic Types of Memory.

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comp.nus.sg/~cs2100/

http://www.comp.nus.edu.sg/~cs2100/. Lecture #23. Cache Part II: Set/Fully Associative Cache. Lecture #23: Cache II: Set/Fully Associative Cache. Types of Cache Misses Block Size Trade-off Set Associative Cache Fully Associative Cache Block Replacement Policy Additional Examples

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361 Computer Architecture Lecture 14: Cache Memory

361 Computer Architecture Lecture 14: Cache Memory. The Motivation for Caches. Memory System. Motivation: Large memories (DRAM) are slow Small memories (SRAM) are fast Make the average access time small by: Servicing most accesses from a small, fast memory.

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CENG 450 Computer Systems and Architecture Lecture 14

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Caches

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Multilevel Memory Caches

Prof. Sirer CS 316 Cornell University. Multilevel Memory Caches. Storage Hierarchy. SRAM on chip. Technology Capacity Cost/GB Latency Tape 1 TB $.17 100s Disk 300 GB $.34 4ms DRAM 4GB $520 20ns SRAM off 512KB $123000 5ns SRAM on 16 KB ??? 2ns

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Cache Parameters

Cache Parameters. Cache size : S cache (lines) Set number: N (sets) Line number per set: K (lines/set) S cache = KN (lines) = KN * L (bytes) ? Here L is line size in bytes K-way set-associative. Trade-offs in Set-Associativity. Fully-associative:

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Cache Design

Cache Design. +. =. Handouts: Lecture Slides. CPU. Data. Tag. Mem[A]. A. Mem[B]. B. MAIN. MEMORY. Basic Cache Algorithm. MISS: X not found in TAG of any cache line REPLACEMENT SELECTION: Select some line k to hold Mem[X] READ: Read Mem[X] Set TAG(k)=X, DATA(k)=Mem[X]

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Computer Organization CS224

Computer Organization CS224. Fall 2012 Lessons 45 & 46. The Memory Hierarchy. Common principles apply at all levels of the memory hierarchy (caches, TLB, virtual memory) Based on notions of caching At each level in the hierarchy Block placement Finding a block Replacement on a miss

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Set-Associative Cache

Set-Associative Cache. Chapter 7. Cache Configuration. The set of blocks in a cache can be configured as: Direct mapped N-way set associative Fully-associative Associative cache have shown to result in lowering miss rate.

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