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Does indirect addressing matter?

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Abstract

In the study of random access machines (RAMs) and the complexities associated with their algorithms, the availability of indirect addressing often creates an analysis obstacle. We show that for RAMs equipped with a sufficiently rich set of basic operations, indirect addressing does not increase computational power, and can be simulated either in linear time or on-line in real time. These results pertain to the uniform cost model and, particularly, assume a unit cost variable shift.

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Acknowledgments

The author would like to thank an anonymous reviewer for helpful comments.

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  1. Faculty of IT, Monash University, Clayton, VIC, 3800, Australia

    Michael Brand

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  1. Michael Brand
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Correspondence to Michael Brand.

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Brand, M. Does indirect addressing matter?. Acta Informatica 49, 485–491 (2012). https://doi.org/10.1007/s00236-012-0171-1

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