PPT-Hash, Don’t Cache

the Page Table Idan Yaniv Dan Tsafrir SIGMETRICS IFIP 2016 Virtual memory was invented in a time of scarcity Is it still a good idea Charles Thacker ACM Turing Award Lecture . Message Passing Sharedmemory single copy of shared data in memory threads communicate by readingwriting to a shared location Messagepassing each thread has a copy of data in its own private memory that other threads cannot access threads communicate Lecture 3. Sets. A . set. is simply a collection of elements. Unlike lists, elements are not ordered. Very abstract, general concept with broad usefulness:. The set of all Google search queries from the past 24 hours. Comp 550. Dictionary . Dictionary:. Dynamic-set data structure for . storing items indexed using . keys. .. Supports . operations: Insert, Search, and . Delete . (. take . O. (1) time. ). .. Applications:. System. with . Efficient Integrity Checks. Marten van. . Dijk. Ari . Juels. Alina. . Oprea. RSA Labs. RSA Labs. RSA Labs. marten.vandijk@rsa.com. ari.juels@rsa.com. alina.oprea@rsa.com. Emil Stefanov. a. rchitectural. Side-Channel Attacks. Part 2. Yuval Yarom. The University of Adelaide . and . Data61. 1. X86 L1 Cache. Tag. Set. Offset. 0. 6 5. 12 11. Tag,. Data. Sets. Ways. Stores fixed-size (64B) . CIS 606. Spring 2010. Hash tables. Many applications require a dynamic set that supports only the . dictionary . operations . INSERT. , SEARCH, and DELETE. Example: a symbol table in a compiler.. A hash table is effective for implementing a dictionary.. Omid Alipourfard. , Masoud Moshref, Minlan Yu. {. alipourf. , . moshrefj. , . minlanyu. }@. usc.edu. Software Switches are Popular. Data centers. : . “Use the cloud to manage the cloud”. Load balancer and Firewall on VMs. . Outline. Discuss what a hash method does. translates a string key into an integer . Discuss a few strategies for implementing a hash table. linear probing. quadratic probing. separate chaining hashing. Direct-mapped caches. Set-associative caches. Impact of caches on performance. CS 105. Tour of the Black Holes of Computing. Cache Memories. C. ache memories . are small, fast SRAM-based memories managed automatically in hardware. Dawie Human. Infrastructure Architect. Inobits. Consulting. WSV303. Agenda. Problem background. Solution modes. Deployment. Demo. Deep Dives. Content Identification. Integration architecture. Security. Browsers. Leave behind:. Caches. Cookies. Browser settings (favorites, history). Erasing history does not always erase the entries created, only changes what browser displays. Internet Explorer. Index.dat. n. . . [from the . techspeak. ] (var. ‘hash clash’) . When used of people, signifies a confusion in associative memory or imagination, especially a persistent one.” . . -. The Hacker's Dictionary . CSE 373: Data Structures and Algorithms. Thanks to Kasey Champion, Ben Jones, Adam Blank, Michael Lee, Evan McCarty, Robbie Weber, Whitaker Brand, Zora Fung, Stuart . Reges. , Justin Hsia, Ruth Anderson, and many others for sample slides and materials .... CSCI 333. Bloom Filters. Are there any problems with Bloom filters?. What operations do they support/not support?. How do you grow a Bloom filter?. What if your filter itself exceeds RAM (how bad is locality)?.