'Bakery algorithm' diaporamas de présentation

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Synchronization

Synchronization

Synchronization. ..or: the trickiest bit of this course. Announcements. Homework 1 grades & solutions are now in CMS Hardcopies can be had in the Homework Handback Room (Upson 360, 10-12am, 2-4pm) Regrading request, policies, etc. Oh dear lord… (out of 75!!!). Threads share global memory.

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831 views • 81 slides
Synchronization

Synchronization

Synchronization. ..or: the trickiest bit of this course. Announcements. Threads share global memory. When a process contains multiple threads, they have

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825 views • 80 slides
Mutual Exclusion

Mutual Exclusion

Mutual Exclusion. Presented by: Rohan Sen (Distributed Algorithms Ch. 10) . Topics that will be covered. Overview and problem statement Dijkstra’s Mutual Exclusion Algorithm Stronger Conditions for Mutual Exclusion Algorithms Lockout-free Mutual Exclusion Algorithms

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699 views • 26 slides
Bakery Algorithm - Proof

Bakery Algorithm - Proof

Bakery Algorithm - Proof. Bakery algorithm of Lamport. Critical section algorithm for any n>1 Each time a process is requesting an entry to CS, assign it a ticket which is Unique and monotonically increasing Let the process into CS in the order of their numbers.

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1.16k views • 25 slides
Critical Sections with lots of Threads

Critical Sections with lots of Threads

Critical Sections with lots of Threads. Refresher: Deker’s Algorithm. Assumes two threads, numbered 0 and 1. CSEnter(int i) { int J = i^1; inside[i] = true; turn = J; while(inside[J] && turn == J) continue; }. CSExit(int i) { inside[i] = false; }. Can we generalize to many threads?.

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204 views • 18 slides
Bakery Algorithm - Proof

Bakery Algorithm - Proof

Bakery Algorithm - Proof. Bakery algorithm for n processes. R. T. D. T-D. C. E. Structure of the algorithm. R – code prior to using Bakery algorithm T – creating of a ticket and awaiting for permission to enter critical section D – creation of a number (first part of a ticket)

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414 views • 14 slides
Bakery Algorithm - Proof

Bakery Algorithm - Proof

Bakery Algorithm - Proof. Operating Systems Spring 2003. Bakery algorithm for n processes. R. T. D. T-D. C. E. Structure of the algorithm. R – code prior to using Bakery algorithm T – creating of a ticket and awaiting for permission to enter critical section

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323 views • 14 slides
Midterm Review

Midterm Review

Midterm Review . 4:00pm – 5:20pm, 11/10/11 Open book and notes Four problems. Midterm Review - 1. Overview

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317 views • 10 slides

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