%T Aspects of database machine design using the H1, C104 and Occam91
%A Jon Kerridge, Richard J. Oates
%E Janet Edwards
%B Proceedings of WoTUG\-14: Occam and the Transputer\-Current Developments
%X 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.
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