CLUSTERCluster · A100 booster
- Operator / site
- Jülich Supercomputing Centre
- Country
- Germany
- Profile scope
- Booster module
- Data checked
- 14 September 2026
- Operating system
- Rocky Linux 9
- Network topology
- Dragonfly+ (20 cells)
JUWELS Booster
Jülich Supercomputing Centre
CPU Accelerator Interconnect
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Reading this map
JUWELS Booster node architecture
JUWELS Booster is operated by Jülich Supercomputing Centre in Germany. This profile covers Booster module. Specifications are listed below; anything the operator has not published is itemised in the documented-fields list.
A100 booster
- Compute nodes of this type
- 936
- CPU model
- AMD EPYC 7402 · 24 cores
- CPU sockets per node
- 2
- Cores per socket
- 24
- Physical CPU cores
- 48
- Accelerator model
- NVIDIA A100
- Physical accelerators per node
- 4
- Host / unified memory
- 512 GB DDR4
- Accelerator memory
- 40 GB per GPU
- Accelerator ↔ accelerator link
- NVLink 3 · all GPU pairs
- CPU ↔ accelerator link
- PCIe 4.0
- Network interfaces per node
- 4
- Interface model
- NVIDIA ConnectX-6 (InfiniBand HDR)
- Local storage
- Diskless — JSC states the compute nodes have no local disk
Scope and uncertainty
Booster module only; JUWELS Cluster module excluded.
Documented fields: 16 / 25
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 — 2 / 3
- Manufacturer
- Ranked core count
- Theoretical peak (PFlop/s)
- Measured power (kW)
- Energy efficiency (GFlop/s per watt)
- Operating system
- Network topology
A100 booster — 14 / 22
- 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