System, method and apparatus for improving the performance of collective operations in high performance computing
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United States of America Patent
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Jul 12, 2016
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Sep 24, 2014
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Sep 24, 2014
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Abstract
System, method, and apparatus for improving the performance of collective operations in High Performance Computing (HPC). Compute nodes in a networked HPC environment form collective groups to perform collective operations. A spanning tree is formed including the compute nodes and switches and links used to interconnect the compute nodes, wherein the spanning tree is configured such that there is only a single route between any pair of nodes in the tree. The compute nodes implement processes for performing the collective operations, which includes exchanging messages between processes executing on other compute nodes, wherein the messages contain indicia identifying collective operations they belong to. Each switch is configured to implement message forwarding operations for its portion of the spanning tree. Each of the nodes in the spanning tree implements a ratcheted cyclical state machine that is used for synchronizing collective operations, along with status messages that are exchanged between nodes. Transaction IDs are also used to detect out-of-order and lost messages.
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- 15 United States
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- INTEL CORPORATION
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Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Debbage, Mark | Santa Clara, US | 26 | 328 |
Heinz, Michael | Phoenixville, US | 10 | 119 |
Kunz, James | Plymouth, US | 11 | 52 |
Rimmer, Todd | Exton, US | 24 | 1021 |
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