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Low-latency control structures with slack

Lookup NU author(s): Dr Alex Bystrov, Dr Danil Sokolov, Professor Alex Yakovlev


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OR-causality, or weak precedence, is a way to increase performance of asynchronous circuits in on-chip interfacing, computation process control, early evaluation in data-flow structures, error-recovery etc. The difficulties in hazard free implementation of OR-causality restricted its use to the simplest cases of merging. We advance this subject by introducing slack in the taxonomy of OR-causality, which allows latency reduction to be achieved in the context of highly pipelined operation. Petri net models and circuit structures are proposed for the bounded and "almost" unbounded merge cases. The specifics of data or control token stream merging are studied in a number of examples. Those show the applicability of the new merge constructs to a wide range of functional operators, including arithmetic, Boolean and threshold functions. (31 References).

Publication metadata

Author(s): Bystrov A, Sokolov D, Yakovlev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Ninth International Symposium on Asynchronous Circuits and Systems

Year of Conference: 2003

Pages: 164-173

ISSN: 9780769518985

Publisher: IEEE Computer Society


DOI: 10.1109/ASYNC.2003.1199176

Notes: Los Alamitos, CA, USA. Proceedings Ninth International Symposium on Asynchronous Circuits and Systems. Vancouver, BC, Canada. IEEE Comput. Soc. Tech. Committee on VLSI. 12-15 May 2003.

Library holdings: Search Newcastle University Library for this item

ISBN: 0769518982