Poland · operational · mixed

Altair

Quantum: linked to PIAST-Q (20 trapped ion qubits)

Operated by PSNC at PSNC Data Centre (Poznan) .

Phase 1 seed dataset, compiled by hand. These rows were built from public operator, laboratory and vendor sources. A mechanical second-reader pass has since fetched every cited source: 1092 of 1153 systems have a readable citation that names them, and 40 are genuinely weakly sourced. Every claim carries its source and a confidence tier. Treat anything below verified as a lead, not a citation.

Measured performance

Rmax: 3.53 PFlop/s
Rpeak: 5.88 PFlop/s
Rmax ÷ Rpeak: 60.0%
Cores: 63,360
Power: 829 kW
Per watt: 4.3 GF/W

Figures are as last publicly reported for the configuration described below, not a live measurement. Where a system was upgraded in place, the post-upgrade configuration is shown and the earlier one appears in the timeline.

What this machine is made of

One row per supplier relationship. “Supplier at build” is the company that shipped the part at the time; where that company has since been acquired, the parent it rolls up to today is shown beside it. That distinction is what makes ticker-level aggregation possible across a thirty-year dataset.

Role	Part	Supplier at build	Quantity	Confidence	Source
Integrator	- Huawei CH121L V5 liquid-cooled nodes	Huawei	-	Verified	top500.org psnc.pl
Accelerator	NVIDIA Tesla V100 Accelerators CUDA (Volta GV100) · 5,120C · 1.53 GHz · 12 nm · 300 W 9 nodes with 8 NVIDIA V100 GPUs each	NVIDIA NVDANASDAQ	72 reported	Reported	psnc.pl
CPU	- Intel Xeon Platinum 8268 24C 2.9GHz across 1320 two-socket nodes	Intel INTCNASDAQ	63,360 reported	Verified	top500.org psnc.pl
Interconnect	Mellanox InfiniBand EDR Interconnect Fat tree · 100 Gb/s per 4x port · About 0.9 microseconds InfiniBand EDR	NVIDIA NVDANASDAQ	-	Reported	top500.org

The read

Poland's largest computing system at its debut, built at the Poznan Supercomputing and Networking Center (PSNC) under the EU-funded PRACE-LAB project and physically and logically bridged to PSNC's earlier Eagle system for unified task management. A Huawei CH121L V5 liquid-cooled cluster of 1,320 two-socket Intel Xeon Platinum 8268 nodes (63,360 cores total) plus 9 NVIDIA V100-accelerated nodes for AI and data-analytics workloads, on InfiniBand EDR. TOP500 independently lists Rmax 3.53 PFlop/s, Rpeak 5.88 PFlop/s, 829 kW and the same CPU model that PSNC's own announcement describes, so the tier is verified. Integration work began in December 2020 and the system was fully commissioned in May 2021.

Timeline

2020-11 List debut at #85 (November 2020) source
2020-12 Announced source
2021-05 First operational source

Public list appearances

Pointers only: rank and edition, linking to the canonical entry. We do not reproduce list tables. See sourcing policy.

#85: TOP500, November 2020 →

Site & facility

PSNC Data Centre (Poznan)

Location: Poznan, Poland
Commissioned: 2021

psnc.pl top500.org

Change history

2026-09-24 Altair added, Poland's PSNC national supercomputer

Source check

We fetched this system's own citations and recorded whether each page actually mentions it. This is a corroboration signal, not a fact check, and it is published so you can see how well the sourcing holds up rather than take it on trust.

Cited source	Result	Found on the page
top500.org	names system and part	Mellanox InfiniBand EDR
psnc.pl	names system only	-

Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.