PPT-Cache Memories Topics Generic cache-memory organization

Directmapped caches Setassociative caches Impact of caches on performance CS 105 Tour of the Black Holes of Computing Cache Memories C ache memories are small fast SRAMbased memories managed automatically in hardware. History and Trends In Embedded System Memory. Ideal Memory: Yesterday, Today And Tomorrow. 1980 – 1990: The Stand-Alone Chip. Three Main Types:. SRAM. DRAM. Flash EEPROMs. 1980-1990: The Stand-Alone Chip. Julie Brooks, RN, BSN. Why perinatal death can be complicated. The suddenness and unexpected nature of the loss. The way infant death is socially defined in our society. “When a person is born we rejoice, and when they marry we jubilate, but when they die we pretend nothing happened.”. Mark Gebhart. 1,2 . Stephen W. Keckler. 1,2. Brucek Khailany. 2. Ronny Krashinsky. 2. . William J. Dally. 2,3. 1. The University of Texas at Austin . 2. NVIDIA . 3. Stanford University. Methodology. Article . Analysis Presentation. Introduction. Memory. Memory D. istortions. Repressed . Memories. Autobiographical . Memory. Article:1 . . False recollection. Memory . errors. Naturalistics. Suggestion . Forgetting. Inability to retrieve information, due to poor encoding, storage or retrieval.. WHY DO I HAVE THIS STRING ON MY FINGER?!?!. I can’t remember, but it must be something important…. Encoding Failure. 5.5.16. Part . 7. Construction. 3. Memory Construction. While tapping our memories, we . fill . in missing . info . to make our recall more . coherent. Misinformation Effect: . incorporating . misleading information into one's memory of an . “The past is a different country. They do things differently there.” (L. P. Hartley). “Only that which never ceases to hurt will stay in the memory” (Nietzsche: . The Genealogy of Morals. ) . (1)How does information get . into. memory?. (2)How is information . maintained. in memory?. (3)How is information . pulled back out. of memory. ?. encoding. . (getting information in), . storage. Storage technologies and trends. Locality of reference. Caching in the memory hierarchy. CS 105. Tour of the Black Holes of Computing. Random-Access Memory (RAM). Key features. RAM. is traditionally packaged as a chip.. With a superscalar, we might need to accommodate more than 1 per cycle. Typical server and . m. obile device. memory hierarchy. c. onfiguration with. b. asic sizes and. access times. PCs and laptops will. 1 Memory & Cache Memories: Review 2 Memory is required for storing Data Instructions Different memory types Dynamic RAM Static RAM Read-only memory (ROM) Characteristics Access time Price Volatility Virtual Memory Use main memory as a “cache” for secondary (disk) storage Managed jointly by CPU hardware and the operating system (OS) Programs share main memory Each gets a private virtual address space holding its frequently used code and data Hagersten. , . Landin. , and . Haridi. (1991). Presented by Patrick . Eibl. Outline. Basics of Cache-Only Memory Architectures. The Data Diffusion Machine (DDM). DDM Coherence Protocol. Examples of Replacement, Reading, Writing. Representasi Knowledge. MODEL MEMORY. EARLY STUDIES. Ebbinghaus (Germany – ON MEMORY/1882). Memory dapat dipahami melalui . formed ideas. dan kemudian mencari sumbernya. (eksistensinya tidak dapat dipahami secara langsung namun dari efeknya .