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. Author manuscript; available in PMC: 2025 Sep 19.

Published in final edited form as: Geosci Model Dev. 2024 Sep 19;17(18):7001–7027. doi: 10.5194/gmd-17-7001-2024

Table 2.

Overview of system configurations and technical capabilities for the two HPC systems that were used for benchmarking.

HPC test system description
Cloud service provider	Microsoft Azure	Amazon Web Services
Service name	CycleCloud	ParallelCluster
VM name	Standard_HB120rs_v3	hpc6a.48xlarge
Processor	AMD EPYC 7V73X	AMD EPYC 7R13
CPU cores available	120	96
CPU speed (MHz)	1846	2650
Memory (GiB)	461	384
L3 cache memory (MB)	96	192
Network bandwidth (Gb s⁻¹)	200 (NVIDIA HDR InfiniBand)	100 (Elastic Fabric Adapter – EFA)