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Title: Embedding global barrier and collective in torus network with each node combining input from receivers according to class map for output to senders

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.
Authors:
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Publication Date:
OSTI Identifier:
1093264
Report Number(s):
8,521,990
12/723,277
DOE Contract Number:
B554331
Resource Type:
Patent
Research Org:
International Business Machines Corporation (Armonk, NY)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING