Paper Details

%T Shared virtual memory on transputers via the data diffusion machine
%A Sanjay Raina, David H. D. Warren, James Cownie
%E Hussein S. M. Zedan
%B OUG\-13: Real\-Time Systems with Transputers
%X The Data Diffusion Machine (DDM) is a novel multiprocessor
   architecture which is scalable to an arbitrary number of
   processors and at the same time provides a shared virtual
   address space. There is no fixed home location for data \-
   instead data migrates from one processor to another on
   demand. A cache coherence protocol maintains memory
   consistency allowing replication, migration and replacement
   of data.In order to evaluate the DDM we are developing an
   emulator on the Meiko Computing Surface. This paper
   describes the DDM emulator together with additional support
   to turn the emulator into a platform for running real shared
   memory applications. We describe how the bus based snoopy
   protocol of the DDM can be modified to suit point\-to\-point
   interconnection networks.

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