Supercomputers/Systems/Roshydromet Cray XC40
Russia · operational · hpc
Roshydromet Cray XC40
Also known as Roshydromet GVC Cray XC40
Operated by Main Computing Center of Roshydromet .
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
- 1.20 PFlop/s
- Rpeak
- 1.29 PFlop/s
- Rmax ÷ Rpeak
- 92.8%
- Cores
- 35,136
- Power
- -
- Per watt
- - 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 | - Cray XC40 supercomputer (XC40-LC) | Cray HPENYSE
rolls up to Hewlett Packard Enterprise | - | Reported | top500.orgcomnews.ru |
| Integrator | - T-Platforms worked with Cray on the Roshydromet system | T-Platforms | - | Reported | top500.orgcomnews.ru |
| CPU | - Intel Xeon E5-2697v4 18C 2.3GHz, 35,136 cores | Intel | - | Reported | top500.org |
| Interconnect | Cray Aries Interconnect Dragonfly · About 10 GB/s per direction · Around 1 microsecond Aries interconnect | Cray HPENYSE
rolls up to Hewlett Packard Enterprise | - | Reported | top500.org |
The read
Cray XC40 (Xeon E5-2697v4 18C 2.3GHz, Aries) at the Main Computing Center of Roshydromet, the Russian weather and environmental monitoring service. TOP500 ranks it 172nd in June 2018 (best rank) with 35,136 cores, 1.20 PFlop/s Rmax and 1.29 PFlop/s Rpeak and lists it through November 2019 (465th), with Cray and T-Platforms as the manufacturer. ComNews of 27 November 2018 reports that INLINE Technologies, T-Platforms and BD Enterprise Networking completed the supercomputer centre infrastructure around a Cray/T-Platforms XC40-LC at the center, which supports operational weather forecasting. Cores and Rmax are TOP500 only.
Timeline
Public list appearances
Pointers only: rank and edition, linking to the canonical entry. We do not reproduce list tables. See sourcing policy.
Change history
- 2026-10-07 Added Roshydromet Cray XC40, a mid-list TOP500 system (2018-06 172)
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 | Cray Aries |
| comnews.ru | does not name this system | - |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.
Further reading
Operating a supercomputer
Acceptance testing, why "installed" and "in production" are six months apart, and the machine lifecycle.
Inside a node
Latency-optimised versus throughput-optimised processors, NUMA, and the end of the host-to-device copy.
The interconnect
Topologies, why latency and tail behaviour matter more than bandwidth, and how the fabric market consolidated.