Mutual Exclusion: Difference between revisions

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== Parameters ==  
== Parameters ==  


n: number of processors?
$n$: number of processors


== Table of Algorithms ==  
== Table of Algorithms ==  
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| [[Maekawa's algorithm ( Mutual Exclusion)|Maekawa's algorithm]] || 1985 || $O(n^{0.5})$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://cseweb.ucsd.edu/classes/wi09/cse223a/p145-maekawa.pdf Time] & [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
| [[Maekawa's algorithm ( Mutual Exclusion)|Maekawa's algorithm]] || 1985 || $O(n^{0.5})$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://cseweb.ucsd.edu/classes/wi09/cse223a/p145-maekawa.pdf Time] & [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
|-
|-
| [[Raymond's algorithm ( Mutual Exclusion)|Raymond's algorithm]] || 1997 || $O(logn)$? (originally this had $O(n)$) || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
| [[Raymond's algorithm ( Mutual Exclusion)|Raymond's algorithm]] || 1997 || $O(\log n)$? (originally this had $O(n)$) || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://dl.acm.org/doi/abs/10.1145/58564.59295 Time] & [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
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| [[Suzuki-Kasami's algorithm ( Mutual Exclusion)|Suzuki-Kasami's algorithm]] || 1985 || $O(n)$? (originally this had $O(logn)$) || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://cse.iitkgp.ac.in/~agupta/distsys/Mutex-SuzukiKasami.pdf Time] & [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
| [[Suzuki-Kasami's algorithm ( Mutual Exclusion)|Suzuki-Kasami's algorithm]] || 1985 || $O(n)$? (originally this had $O(logn)$) || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://cse.iitkgp.ac.in/~agupta/distsys/Mutex-SuzukiKasami.pdf Time] & [https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.135.825&rep=rep1&type=pdf Space]
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| [[Peterson's algorithm ( Mutual Exclusion)|Peterson's algorithm]] || 1981 || $O(n)$ || $O(n)$ total || Exact || Deterministic || [https://zoo.cs.yale.edu/classes/cs323/doc/Peterson.pdf Time]
| [[Peterson's algorithm ( Mutual Exclusion)|Peterson's algorithm]] || 1981 || $O(n)$ || $O(n)$ total || Exact || Deterministic || [https://zoo.cs.yale.edu/classes/cs323/doc/Peterson.pdf Time]
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| [[Naimi-Trehel's algorithm ( Mutual Exclusion)|Naimi-Trehel's algorithm]] || 1996 || $O(logn)$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://www.sciencedirect.com/science/article/abs/pii/S0743731596900416 Time]
| [[Naimi-Trehel's algorithm ( Mutual Exclusion)|Naimi-Trehel's algorithm]] || 1996 || $O(\log n)$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://www.sciencedirect.com/science/article/abs/pii/S0743731596900416 Time]
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| [[Chan-Singhal-Liu ( Mutual Exclusion)|Chan-Singhal-Liu]] || 1990 || $O(logn)$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://ieeexplore.ieee.org/document/113817 Time]
| [[Chan-Singhal-Liu ( Mutual Exclusion)|Chan-Singhal-Liu]] || 1990 || $O(\log n)$ || $O({1})$ per process, $O(n)$ total? || Exact || Deterministic || [https://ieeexplore.ieee.org/document/113817 Time]
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|}
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[[File:Mutual Exclusion - Time.png|1000px]]
[[File:Mutual Exclusion - Time.png|1000px]]
== Space Complexity Graph ==
[[File:Mutual Exclusion - Space.png|1000px]]
== Time-Space Tradeoff ==
[[File:Mutual Exclusion - Pareto Frontier.png|1000px]]

Latest revision as of 10:07, 28 April 2023

Description

Mutual exclusion is a property of concurrency control; which is instituted for the purpose of preventing race conditions.

Parameters

$n$: number of processors

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Lamport's bakery algorithm 1974 $O(n)$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Szymanski's algorithm 1988 $O(n)$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Taubenfeld's black-white bakery algorithm 2004 $O(n)$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Maekawa's algorithm 1985 $O(n^{0.5})$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Raymond's algorithm 1997 $O(\log n)$? (originally this had $O(n)$) $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Suzuki-Kasami's algorithm 1985 $O(n)$? (originally this had $O(logn)$) $O({1})$ per process, $O(n)$ total? Exact Deterministic Time & Space
Dekker's algorithm 1963 $O(n)$ Exact Deterministic
Peterson's algorithm 1981 $O(n)$ $O(n)$ total Exact Deterministic Time
Naimi-Trehel's algorithm 1996 $O(\log n)$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time
Chan-Singhal-Liu 1990 $O(\log n)$ $O({1})$ per process, $O(n)$ total? Exact Deterministic Time

Time Complexity Graph

Mutual Exclusion - Time.png