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Paper Details

Aspects of database machine design using the H1, C104 and Occam91

Authors: Kerridge, Jon, Oates, Richard J.


In this paper we explore the design of a database machine that is already being implemented using T series transputers to determine the benefits of using the T9000 series transputer togeher eith its associated routing chip, the C104, and occam91. The language occam91, a superset of occam2, contains language features that directly support the exploitation of hardware features that have been incorporated into the T9000 transputer. We briefly introduce the underlying design of the database machine. The way in which the C104 routing chips can be used is then described in conjunction with a planar approach to the interconnection of nodes in the machine. Finally, we give fragments of occam91 that demonstrated how its features can be used in two different parts of the database machine. The first application considers the problems of allocating resources to a user query and the second looks at how recovery features can be specified.


Proceedings of WoTUG-14: Occam and the Transputer-Current Developments, Janet Edwards, 1991, pp 13 - 27 published by IOS Press, Amsterdam

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