Linked Lists: Locking, Lock-Free, and Beyond Companion slides for The Art of Multiprocessor Programming by Maurice Herlihy & Nir Shavit Concurrent Objects • Adding threads should not lower throughput –Contention effects –Mostly fixed by scalable locks Art of Multiprocessor Programming 2 Concurrent Objects • Adding threads should not lower throughput –Contention effects –Mostly fixed by scalable locks • Should ...
Coarse-grained and fine-grained locking Niklas Fors 2013-12-05 Slides borrowed from: http://cs.brown.edu/courses/cs176course_information.shtml Art of Multiprocessor Programming 1 Topics discussed • Coarse-grained locking –One lock • Fine-grained locking –More than one lock Art of Multiprocessor Programming 2 Abstract Data Types • Concrete representation: a b • Abstract Type: –{a, b} Art of Multiprocessor Programming 3 Abstract Data Types • Meaning of ...
Concurrent Objects Please read sections 3.7 and 3.8 Companion slides for The Art of Multiprocessor Programming by Maurice Herlihy & Nir Shavit Linearizability • History H is linearizable if it can be extended to G by – Appending zero or more responses to pending invocations – Discarding other pending invocations • So that G is equivalent to – Legal sequential history S ...
Concurrent Objects Companion slides for The Art of Multiprocessor Programming by Maurice Herlihy & Nir Shavit Concurrent Computation memory object object Art of Multiprocessor 2 Programming Objectivism What is a concurrent object? –How do we describe one? –How do we implementone? –How do we tell if we’re right? Art of Multiprocessor 3 Programming Objectivism What is a concurrent object? &ndash ...
Linked Lists: Locking, Lock- Free, and Beyond Companion slides for The Art of Multiprocessor Programming by Maurice Herlihy & Nir Shavit Last Lecture: Spin-Locks . CS . Resets lock . spin critical upon exit lock section Art of Multiprocessor Programming 2 Today: Concurrent Objects • Adding threads should not lower throughput – Contention effects – Mostly fixed by Queue locks • Should increase throughput – Not ...
Mutual Exclusion Companion slides for The Art of Multiprocessor Programming by Maurice Herlihy & Nir Shavit What Is Mutual Exclusion? What Is Mutual Exclusion? What Is Mutual Exclusion? ...
Distributed Systems The Art of Multiprocessor Programming Dept. of CSE Spring 2019 • Textbook – by Maurice Herlihy & Nir Shavit • This material is a slight modification from the • Course Material in http://cs.brown.edu/course s/csci1760/lectures.shtml 2 Teaching Staff • Instructor : Yeom, Heonyoung () – Email : yeom AT snu.ac.kr – Office : 302-321 – Office Hours : ...
Introduction to Concurrency CS 475, Fall 2019 Concurrent & Distributed Systems With material from Herlihy & Shavit, Art of Multiprocessor Programming Today • Distributed & Concurrent Systems: high level overview and key concepts • Relevant links: • Syllabus: https://www.jonbell.net/gmu-cs-475-fall-2019/ • Piazza: https://piazza.com/class/jzefzvsggtah2 J. Bell GMU CS 475 Fall 2019 !2 Course Topics • This course will teach you how ...
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