Supercomputing with transputers—past, present and future

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Abstract
The paper traces the development of large multi-transputer systems for high-performance scientific and engineering computing. After defining what we mean by 'supercomputing' in the context of this paper, the past and present state of transputer supercomputing environments is illustrated by a discussion of three specific projects. These are the Esprit 'SuperNode' project or P1085, the Edinburgh Concurrent Supercomputer project and the Victor project at IBM Research in Yorktown Heights. The present parallel programming environments available for transputer systems are also briefly reviewed. The paper concludes with a look to the future. Inmos' announced plans for the next generation transputer, code-named H1, are described along with a comparison with the new Intel iWarp chip. We can classify this Intel component as a 'generic' transputer in that it integrates computing elements, memory elements and communication hardware on a single VLSI chip. Both these new components should make for a bright future for supercomputing with transputer-like building blocks.

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