Title: Swap-And-Randomize: A Method for Building Low-Latency HPC Interconnects
Abstract: Random network topologies have been proposed to create low-diameter, low-latency interconnection networks in large-scale computing systems. However, these topologies are difficult to deploy in practice, especially when re-designing existing systems, because they lead to increased total cable length and cable packaging complexity. In this work we propose a new method for creating random topologies without increasing cable length: randomly swap link endpoints in a non-random topology that is already deployed across several cabinets in a machine room. We quantitatively evaluate topologies created in this manner using both graph analysis and cycle-accurate network simulation, including comparisons with non-random topologies and previously-proposed random topologies.
Publication Year: 2015
Publication Date: 2015-07-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 15
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