Jean Zay H100 node architecture
Jean Zay H100 is operated by CNRS/IDRIS-GENCI in France. This profile covers Ranked system / partition. Specifications are listed below; anything the operator has not published is itemised in the documented-fields list.
Published benchmark (TOP500 · June 2026)
- HPL rank
- #49
- HPL Rmax
- 52.18 PFlop/s
- Theoretical peak Rpeak
- 71.42 PFlop/s
- Ranked core count
- 227,136
Cluster · gpu_p6 · H100 partition
- Operator / site
- CNRS/IDRIS-GENCI
- Country
- France
- Profile scope
- Ranked system / partition
- Data checked
- 14 September 2026
- Manufacturer
- Bull
- Ranked core count
- 227136
- Theoretical peak (PFlop/s)
- 71.42
- Operating system
- Red Hat Enterprise Linux 9.6
gpu_p6 · H100 partition
- System / node model
- Bull Sequana (BullSequana XH3000 extension)
- Compute nodes of this type
- 364
- CPU model
- Intel Xeon Platinum 8468 · 48 cores
- CPU sockets per node
- 2
- Cores per socket
- 48
- Physical CPU cores
- 96
- Accelerator model
- NVIDIA H100 SXM5 80GB
- Physical accelerators per node
- 4
- Host / unified memory
- 512 GB
- Accelerator memory
- 80 GB per GPU
Scope and uncertainty
Node count, socket count, cores per socket, host memory, accelerator count and accelerator memory follow the IDRIS hardware page for the gpu_p6 partition. On-node GPU-to-GPU wiring and node-local storage are not published.
Documented fields: 14 / 29
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 — 4 / 7
- ✓Manufacturer
- ✓Ranked core count
- ✓Theoretical peak (PFlop/s)
- ✕Measured power (kW)
- ✕Energy efficiency (GFlop/s per watt)
- ✓Operating system
- ✕Network topology
gpu_p6 · H100 partition — 10 / 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
Sources
Browse all cluster architecture pages →
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