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Randomized Two-Process Wait-Free Test-and-Set | John Tromp
; Paul Vitanyi
; | Date: |
28 Jun 2001 | Subject: | Distributed, Parallel, and Cluster Computing ACM-class: C.2; F.2.2 | cs.DC | Affiliation: | CWI and BioInformatics Solutions) and Paul Vitanyi (CWI and University of Amsterdam | Abstract: | We present the first explicit, and currently simplest, randomized algorithm for 2-process wait-free test-and-set. It is implemented with two 4-valued single writer single reader atomic variables. A test-and-set takes at most 11 expected elementary steps, while a reset takes exactly 1 elementary step. Based on a finite-state analysis, the proofs of correctness and expected length are compressed into one table. | Source: | arXiv, cs.DC/0106056 | Services: | Forum | Review | PDF | Favorites |
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