CLUSTERCluster · Cascade Lake main partition
- Operator / site
- Texas Advanced Computing Center
- Country
- United States
- Profile scope
- Main CPU partition
- Data checked
- 14 September 2026
- Network topology
- Fat-tree (six core switches, 22/18 oversubscription)
Frontera
Texas Advanced Computing Center
CPU Accelerator Interconnect
i
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Frontera node architecture
Frontera is operated by Texas Advanced Computing Center in United States. This profile covers Main CPU partition. Specifications are listed below; anything the operator has not published is itemised in the documented-fields list.
Cascade Lake main partition
- Compute nodes of this type
- 8008
- CPU model
- Intel Xeon Platinum 8280 · 28 cores
- CPU sockets per node
- 2
- Cores per socket
- 28
- Physical CPU cores
- 56
- Host / unified memory
- 192 GB DDR4
- Interface speed
- 100 Gb/s HDR100 to each compute node (200 Gb/s HDR between switches)
- Form factor
- 8,368 Cascade Lake nodes in 101 racks · two 40-port leaf switches per rack
Scope and uncertainty
Main CPU partition only. Large-memory nodes and auxiliary accelerator systems are not included in these totals.
Documented fields: 9 / 18
Every field this catalog checks. Fields listed above have a value; the remainder are shown here. A field marked absent is not publicly available in the sources we could verify, which does not mean the hardware is missing. Fields that cannot apply, such as benchmark results for an unranked system, are excluded from the total.
Cluster — 1 / 3
- Manufacturer
- Ranked core count
- Theoretical peak (PFlop/s)
- Measured power (kW)
- Energy efficiency (GFlop/s per watt)
- Operating system
- Network topology
Cascade Lake main partition — 8 / 15
- System / node model
- Compute nodes of this type
- CPU model
- CPU sockets per node
- Cores per socket
- Physical CPU cores
- CPU note
- Accelerator model
- Physical accelerators per node
- Host / unified memory
- Accelerator memory
- Accelerator ↔ accelerator link
- On-node fabric
- CPU ↔ accelerator link
- Network interfaces per node
- Interface model
- Interface speed
- Interface-to-accelerator topology
- Aggregate scale-out per node
- GPUDirect RDMA
- Management / storage networking
- Local storage
- NVMe data disks
- Max remote data disks
- Uncached disk IOPS
- Uncached disk throughput (MBps)
- Form factor