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Home/Magazine Archive/October 1981 (Vol. 24, No. 10)/Low contention semaphores and ready lists/Abstract

Low contention semaphores and ready lists

By Peter J. Denning, T. Don Dennis, Jeffrey A. Brumfield
Communications of the ACM, October 1981, Vol. 24 No. 10, Pages 687-699
10.1145/358769.358787
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A method for reducing semaphore and ready-list contention in multiprocessor operating systems is described. Its correctness is established. Its performance is compared with conventional implementations. A ready list implemented as a ring network is proposed and evaluated.

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