Derecho node architecture
Derecho is operated by NSF NCAR · Wyoming Supercomputing Center in United States. This profile covers Documented compute profile.
Cluster interconnect: HPE Slingshot 11 · 200 Gb/s per port. Topology: Dragonfly.
CPU compute
- Node count
- 2488
- CPU
- AMD EPYC 7763 · 64 cores
- CPUs per node
- 2
- Accelerator
- No accelerator
- Physical accelerators per node
- 0
- Host / unified memory
- 256 GB DDR4
- Accelerator memory
- Not verified
- Local accelerator links
- Not applicable
- CPU-to-accelerator link
- Not verified
- Storage
- Not verified
A100 compute
- Node count
- 82
- CPU
- AMD EPYC 7763 · 64 cores
- CPUs per node
- 1
- Accelerator
- NVIDIA A100
- Physical accelerators per node
- 4
- Host / unified memory
- 512 GB DDR4
- Accelerator memory
- 40 GB HBM2 per GPU
- Local accelerator links
- NVLink
- CPU-to-accelerator link
- Not verified
- Storage
- Not verified
Scope and uncertainty
Production CPU and GPU compute nodes only; login and development nodes 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
Browse all cluster architecture pages →
CLUSTER