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Line-plane broadcasting in a data communications network of a parallel computer

United States Patent

7,734,706
June 8, 2010
View the Complete Patent at the US Patent & Trademark Office
Methods, apparatus, and products are disclosed for line-plane broadcasting in a data communications network of a parallel computer, the parallel computer comprising a plurality of compute nodes connected together through the network, the network optimized for point to point data communications and characterized by at least a first dimension, a second dimension, and a third dimension, that include: initiating, by a broadcasting compute node, a broadcast operation, including sending a message to all of the compute nodes along an axis of the first dimension for the network; sending, by each compute node along the axis of the first dimension, the message to all of the compute nodes along an axis of the second dimension for the network; and sending, by each compute node along the axis of the second dimension, the message to all of the compute nodes along an axis of the third dimension for the network.
Archer; Charles J. (Rochester, MN), Berg; Jeremy E. (Rochester, MN), Blocksome; Michael A. (Rochester, MN), Smith; Brian E. (Rochester, MN)
International Business Machines Corporation (Armonk, NY)
11/ 843,090
20090055474
August 22, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. B554331 awarded by the Department of Energy. The Government has certain rights in this invention.