Polaris node architecture
Polaris is operated by Argonne Leadership Computing Facility in United States. This profile covers Documented compute profile.
Cluster interconnect: HPE Slingshot 11 · two adapters per node. Topology: Not verified.
A100 compute
- Node count
- 560
- CPU
- AMD EPYC 7543P · 32 cores
- CPUs per node
- 1
- Accelerator
- NVIDIA A100
- Physical accelerators per node
- 4
- Host / unified memory
- 512 GiB DDR4
- Accelerator memory
- 40 GiB per GPU
- Local accelerator links
- NVLink · all GPU pairs
- CPU-to-accelerator link
- PCIe 4.0
- Storage
- 2 × 1.6 TB SSD in RAID0
Scope and uncertainty
Compute nodes only; login, gateway and service nodes are excluded.
Not verified means a detail has not been confirmed in this catalog. Diagrams are schematic; node indices are illustrative, not physical hostnames. Data checked 14 September 2026.
Sources
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