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Memory utilization efficiency under a class of first-fit algorithms

Published: 01 January 1980 Publication History

Abstract

This paper examines an improved version of a modified first-fit storage allocation algorithm. In this version, small blocks of free storage are not permitted to remain on the free list but instead are placed on a separate sliver list, available for recombination with newly freed blocks. The memory utilization efficiency of a system under this algorithm is shown to be markedly superior to a system using an algorithm in which such blocks are unavailable for either allocation or recombination.

References

[1]
Knuth, D.E., Fundamental Algorithms, 2nd ed.,(Addison-Wesley, Reading, Mass., 1973).
[2]
Shore, J.E., On the External Storage Fragmentation Produced by First, fit and Best-fit Allocation Strategies, Comm. ACM 18(8),(August, 1975).
[3]
Tenenbaum, A. and E. Widder, A Comparison of First-fit Allocation Strategies, ACM 78 Proceedings, (Association for Computing Machinery, New York, N.Y., 1978).

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cover image ACM Conferences
ACM '80: Proceedings of the ACM 1980 annual conference
January 1980
539 pages
ISBN:0897910281
DOI:10.1145/800176
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 January 1980

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