'Dining philosophers' presentation slideshows

Transactions

Transactions. In the next few lectures we motivate the need for transactions then study them in detail From a single operation on a data object in a concurrent system, we extend to: Composite operations: in main memory, and with persistent memory

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Interprocess Communication (IPC) - Outline

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Gyan from the Geek

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The probabilistic asynchronous p -calculus

The probabilistic asynchronous p -calculus. Catuscia Palamidessi, INRIA Futurs, France. Motivations. Main motivation behind the development of the probabilistic asynchronous p -calculus:

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Verifying Properties of Parallel Programs: An Axiomatic Approach

Verifying Properties of Parallel Programs: An Axiomatic Approach. Susan Owicki and David Gries Communications of the ACM, 1976 Presented by Almog Benin 1 /6/2014. Outline of talk. Introduction The language The axioms Theorems mutual exclusion, termination & deadlock Related work

588 views • 27 slides

CS444/CS544 Operating Systems

CS444/CS544 Operating Systems. Classic Synchronization Problems 2/28/2007 Prof. Searleman jets@clarkson.edu. Outline. Classic Synchronization Problems Dining Philosophers Deadlock, revisited Synchronization with Message Passing Events & Condition Variables NOTE: Read: Chapter 7

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Switching to Blackboard

Switching to Blackboard. All assignments will be submitted through blackboard To access, you need to do the following: Get your UNET id and set a password. Contact UNET helpdesk or the IT helpdesk if necessary. Can also call 800 number on blackboard homepage. http://www.courses.maine.edu/

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On the Performance of Window-Based Contention Managers for Transactional Memory

On the Performance of Window-Based Contention Managers for Transactional Memory. Gokarna Sharma and Costas Busch Louisiana State University. Agenda. Introduction and Motivation Previous Studies and Limitations Execution Window Model Theoretical Results Experimental Results

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Interprocess Communication

Interprocess Communication. 1. Ways of passing information 2. Guarded critical activities (e.g. updating shared data) 3. Proper sequencing in case of dependencies 2 and 3 apply to threads as well. Race Conditions. Two processes want to access shared memory at the same time.

439 views • 23 slides

Chapter 6

Chapter 6. Deadlock. Deadlock. Concepts : system deadlock : no further progress four necessary & sufficient conditions Models : deadlock - no eligible actions Practice : blocked threads. Aim : deadlock avoidance - to design systems where deadlock cannot occur.

422 views • 21 slides

Chapter 6

Chapter 6. Deadlock. Deadlock. Concepts : system deadlock : no further progress four necessary & sufficient conditions Models : deadlock - no eligible actions Practice : blocked threads. Aim : deadlock avoidance - to design systems where deadlock cannot occur.

354 views • 21 slides

Section 9

Section 9. Deadlock. Deadlock: four necessary and sufficient conditions. Serially reusable resources: the processes involved share resources which they use under mutual exclusion. Incremental acquisition:

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Operating Systems

Operating Systems. Mehdi Naghavi naghavi@iust.ac.ir Winter 1385. Class outline. Introduction and Overview Processes Operating system structures Memory management Scheduling Input/Output File Systems Security. Operating Systems. Processes. Mehdi Naghavi naghavi@aut.ac.ir

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Dining Philosophers & Monitors

UNIVERSITY of WISCONSIN-MADISON Computer Sciences Department. Dining Philosophers & Monitors. CS 537 Introduction to Operating Systems. Andrea C. Arpaci-Dusseau Remzi H. Arpaci-Dusseau. Questions answered in this lecture: How to synchronize dining philosophers?

166 views • 16 slides

Local Tolerance to Unbounded Byzantine Faults

Mikhail Nesterenko Kent State University. Anish Arora Ohio State University. Local Tolerance to Unbounded Byzantine Faults. faulty. affected. localize tolerance to unbounded complex faults. Tolerating Faults in System of Large Scale.

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Review: Monitor Semantics

Review: Monitor Semantics. If P does X.wait() and later Q does X.signal(): Hoare Semantics: Q blocks yielding the monitor immediately to P Mesa Semantics: Q continues. P becomes runnable. P will eventually run, but only after Q exits Brinch Hanson:

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The Dining Philosophers Problem

The Dining Philosophers Problem. The Dining Philosophers. Philosopher (int i) { while (TRUE) {// Think (wait for forks) then Eat P (fork[i]); // test left fork P (fork[(i+1) mod 5]); // test right fork eat(); V (fork[(i+1) mod 5]); V (fork[i]); } }

758 views • 9 slides

Classical IPC Problems

1.34k views • 8 slides

Parallel Programming 0024

156 views • 8 slides