Shared virtual memory on transputers via the data diffusion machine
Authors: Raina, Sanjay, Warren, David H. D., Cownie, James
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.
OUG-13: Real-Time Systems with Transputers, Hussein S. M. Zedan, 1990, pp 322 - 330 published by IOS Press, Amsterdam
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