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DOE OSTI · 1735136

Embedding global barrier and collective in a torus network

Chen, Dong·Coteus, Paul W.·Eisley, Noel A.·Gara, Alan G.·Heidelberger, Philip·Senger, Robert M.·Salapura, Valentina·Steinmacher-Burow, Burkhard·Sugawara, Yutaka·Takken, Todd E.
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Abstract

Embodiments of the invention provide a method, system and computer program product for embedding a global barrier and global interrupt network in a parallel computer system organized as a torus network. The computer system includes a multitude of nodes. In one embodiment, the method comprises taking inputs from a set of receivers of the nodes, dividing the inputs from the receivers into a plurality of classes, combining the inputs of each of the classes to obtain a result, and sending said result to a set of senders of the nodes. Embodiments of the invention provide a method, system and computer program product for embedding a collective network in a parallel computer system organized as a torus network. In one embodiment, the method comprises adding to a torus network a central collective logic to route messages among at least a group of nodes in a tree structure.

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97 MATHEMATICS AND COMPUTING

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Chen, Dong, Coteus, Paul W., Eisley, Noel A., Gara, Alan G., Heidelberger, Philip, Senger, Robert M., Salapura, Valentina, Steinmacher-Burow, Burkhard, Sugawara, Yutaka, Takken, Todd E.. 2020-08-11. Embedding global barrier and collective in a torus network. https://www.osti.gov/biblio/1735136

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