PPT-Transactional Memory: Architectural Support for Lock-Free D
Author : yoshiko-marsland | Published Date : 2017-01-19
Maurice Herlihy DEC J Eliot amp B Moss UMass Presenter Mariano Diaz CS 5204 Fall 2009 Part 1 Concepts and Hardwarebased Approaches Introduction Whats a transaction
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Transactional Memory: Architectural Support for Lock-Free D: Transcript
Maurice Herlihy DEC J Eliot amp B Moss UMass Presenter Mariano Diaz CS 5204 Fall 2009 Part 1 Concepts and Hardwarebased Approaches Introduction Whats a transaction Transaction a finite sequence of machine instructions executed by a single process that satisfies the following. Avg Access Time 2 Tokens Number of Controllers Average Access Time clock cyles brPage 16br Number of Tokens vs Avg Access Time 9 Controllers Number of Tokens Average Access Time clock cycles brPage 17br brPage 18br Architectural Zoom SpotlightsStrand Architectural Lighting • High• Highaspheric computer-designed lenses• Coolbeam• Energy• Fastscrew driver lock so that it won IME 20051164 Junghee Pyeon. IME 20051206 Wootaek Hwang. IME. . 20051214 Joonhyung Ahn. CONTENTS. Company & Product Overview. Company Overview. Product Overview. Business Analysis. Erez . Petrank. – . Technion. Madanlal. . Musuvathi. - Microsoft . Bjarne. . Steensgaard. - Microsoft. Advances in Parallel Programming. Attempts to simplify. Automatic parallelization, easy models (transactional memories), new languages, platforms, tools for debugging, …. On the Interplay of Hardware Transactional Memory and Lock-free Indexing. Justin . Levandoski. Microsoft Research Redmond. Ryan Stutsman. Microsoft Research Redmond. Darko. . Makreshanski. Department of Computer Science. Rajwar. , R., . Herlihy. , M., and Lai, K. 2005. presented by . VasilyVolkov. , 04/30/08. Motivation. Transactional Memory is good. Never deadlocks. Makes concurrent programming easier. But requires programmer to be aware of. Maged. M. Michael. The Problem. Lock-free algorithms assume that threads can operate on any object at any time. Freeing memory could break this assumption. How can we free memory of deleted nodes in a safe and lock-free manner?. Bo Hong. Electrical and Computer Engineering Department. Drexel University. bohong@coe.drexel.edu. http://www.ece.drexel.edu/faculty/bohong. The Max-flow Problem. 2. Bo Hong. S. t. a. d. b. c. 8. 6. 4. SPCH COMM HCC Northwest Fall 2011. Today’s Objective. Continue to explore the communication modeling process. Connect our knowledge of roles and actions in the linear model to the transactional model. Pooja. . Aggarwal . (IBM Research, . bangalore. ). Smruti. . R. . Sarangi. . (IIT Delhi). 1. Concurrent Object. Concurrent Object. Threads. Each thread executes a method on the object. method. request. The Mistakes We Make. “Leadership can be developed. However, it cannot be ‘promoted.’”. -Dan Chase (June 16. th,. 2015). “There go the people. I must follow them, for I am their leader." . Serdar . Tasiran. Koc University, Istanbul, . Turkey. Microsoft Research, Redmond. Hassan . Salehe. . Matar. ,. . Ismail . Kuru. , . Koc University, Istanbul, Turkey. Roman . Dementiev. Intel, Munich, Germany. Alvaro Moreira & Luigi Carro. Instituto de Informática – UFRGS . Brasil. 1. Outline – Part III. Work . done at UFRGS on . detection/correction . of . Control Flow Errors (CFEs) with LLVM. Similarities and differences with Security. Byzantine Architecture . Objectives. Outline the background affecting the period.. Isolate elements associated with Byzantine architecture.. Identify famous Byzantine buildings.. Recognize key terms from Byzantine architecture..
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