topology/g5.48xl-topo.xml (14 lines of code) (raw):

<!-- Copyright (c) 2023, Amazon.com, Inc. or its affiliates. All rights reserved. See LICENSE.txt for license information Static pre-configured topology for `g5.48xlarge` platform type. This topology is ingested into NCCL using `NCCL_TOPO_FILE` environment variable when the underlying system is detected as `g5.48xlarge`. Note: The PCI IDs of PCI switches and NICs needs to match the PCI IDs on the virtual machine. --> <system version="1"> <cpu numaid="0"> <pci busid="0000:00:16.0"/> <pci busid="0000:00:17.0"/> <pci busid="0000:00:18.0"/> <pci busid="0000:00:19.0"/> </cpu> <cpu numaid="1"> <pci busid="0000:00:1a.0"/> <pci busid="0000:00:1b.0"/> <pci busid="0000:00:1c.0"/> <pci busid="0000:00:1d.0"/> </cpu> </system>