A system software architecture for high-end computing

Authors:
David S. Greenberg;Ron Brightwell;Lee Ann Fisk;Arthur Maccabe;Rolf Riesen
Affiliations:
Sandia National Laboratories, Albuquerque, NM;Sandia National Laboratories, Albuquerque, NM;Sandia National Laboratories, Albuquerque, NM;Sandia National Laboratories, Albuquerque, NM;Sandia National Laboratories, Albuquerque, NM
Venue:
SC '97 Proceedings of the 1997 ACM/IEEE conference on Supercomputing
Year:
1997

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Abstract

Large MPP systems can neither solve grand-challenge scientific problems nor enable large scale industrial and governmental simulations if they rely on extensions to workstation system software. At Sandia National Laboratories we have developed, with our vendors, a new system architecture for high-end computing. Highest performance is achieved by providing applications with a light-weight interface to a collection of processing nodes. Usability is provided by creating node partitions specialized for user access, networking, and I/O. The entire system is glued together by a data movement interface which we call portals. Portals allow data to flow between processing nodes with minimal system overhead while maintaining a suitable degree of protection and reconfigurability.