PPT-CS510 Concurrent Systems

Jonathan Walpole A LockFree Multiprocessor OS Kernel The Synthesis Kernel A research project at Columbia University Synthesis V0 Uniprocessor Motorola 68020 No virtual memory 1991 Synthesis V1. 4GHz Dual concurrent Dual concurrent Dual concurrent Dual concurrent Wi i tandard 80211abgn 80211abgn 80211abgn 80211abgnac 80211abgn 80211abgnac 80211abgn 80211abgnac 80211bgn 80211abgn 80211abgn 80211abgn 80211abgnac adio mimo ty e 2x22 2x22 2x22 2 General Idea. More than one person simultaneously has rights to the same interest or estate. Ways concurrent ownership may arise. Deed. Will. Intestate distribution. Basic types. Tenants in Common (voluntary). Programming. 15-. 213: . Introduction to Computer Systems. 22. nd. Lecture, Nov. 11, 2010. Instructors:. . Randy Bryant and Dave O’Hallaron. Concurrent Programming is Hard!. The human mind tends to be sequential. Hanan . Rofe. . Haim. 6/1/15. Outline. Concurrent Copying. . . - Reminder. - Baker’s algorithm. . - Brook’s indirection barrier. . - Replication copying . - Multi-version copying. . - Sapphire algorithm- basics. Systems . Linux Kernel Locking Techniques. Intro to kernel locking techniques (Linux). Why do we need locking in the kernel?. Which problems are we trying to solve?. What implementation choices do we have?. Rajeev Alur. . University of Pennsylvania. Amir . Pnueli. Memorial Symposium. New York University, May . 2010. Joint work with . . Sebastian Burckhardt . Sela. . Mador-Haim. Milo Martin. Concurrent Systems. Jonathan Walpole. What is RCU, Fundamentally?. Paul . McKenney. . and. Jonathan . Walpole. The Problem. How can we know when its safe to reclaim memory without paying too high a . 1. BANK AUDIT. MARCH 27, 2016. “ . NEW DELHI”. Presenter : CA . Akesh. Vyas. disclaimer. The views expressed in the following presentation should not be construed as the view of ICAI or my firm.. Why the Grass May Not Be Greener on the Other Side: A Comparison of Locking and Transactional Memory. Why Do Concurrent Programming?. Hardware has been forced down the path of concurrency:. can’t make cores much faster. Jonathan Walpole. A Lock-Free. Multiprocessor OS Kernel. The Synthesis Kernel. A research project at Columbia University. . Synthesis V.0. Uniprocessor (Motorola 68020)‏. No virtual memory. 1991 - Synthesis V.1. Zero-Knowledge. in . the Global Hash . Model. Ran Canetti, Huijia (Rachel) Lin, Omer . Paneth. Zero-Knowledge Proofs .  .  .  . Completeness . Soundness. Zero-Knowledge Proofs .  .  .  . Completeness . Jonathan Walpole. A Lock-Free. Multiprocessor OS Kernel. The Synthesis Kernel. A research project at Columbia University. . Synthesis V.0. Uniprocessor (Motorola 68020)‏. No virtual memory. 1991 - Synthesis V.1. Tyler Fetters. A Methodology for Implementing Highly Concurrent Data Objects. Agenda. Definitions. Author Biography. Overview. Small Objects. Class Exercise. Large Objects. Summary & Contributions. . Synchronization Algorithms . and Concurrent Programming. Gadi Taubenfeld. Chapter 2 . Mutual Exclusion using atomic registers: Basic Topics. Version: . June 2014. Chapter 2. Synchronization Algorithms and Concurrent Programming Gadi Taubenfeld © 2014.