Supercomputers/Systems/CoolMUC-4
Germany · operational · hpc
CoolMUC-4
Also known as LRZ CoolMUC-4; Linux Cluster CoolMUC-4
Operated by LRZ at Leibniz Supercomputing Centre, Garching .
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
- -
- Rpeak
- -
- Rmax ÷ Rpeak
- -
- Cores
- -
- 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 |
|---|---|---|---|---|---|
| CPU | - 106 Sapphire Rapids nodes with Intel Xeon Platinum 8480+, 112 cores and 512 GB each (quantity is nodes) | Intel | 106 reported | Reported | doku.lrz.delrz.de |
| CPU | - 12 Ice Lake nodes with 80 cores and 1 TB each (login nodes use Xeon Platinum 8380) (quantity is nodes) | Intel | 12 reported | Reported | doku.lrz.delrz.de |
| CPU | - 1 large-memory Teramem node with Intel Xeon Platinum 8360HL Cooper Lake, 96 cores and about 6 TB | Intel | 1 reported | Reported | doku.lrz.delrz.de |
The read
LRZ's general-purpose Linux cluster in Garching, live since 10 December 2024 and replacing CoolMUC-2 and CoolMUC-3. The LRZ documentation lists 106 Sapphire Rapids nodes (Xeon Platinum 8480+, 112 cores and 512 GB each, 11,872 cores), 12 Ice Lake nodes (80 cores and 1 TB each) and one Cooper Lake Xeon 8360HL large-memory node (96 cores, about 6 TB), 119 compute nodes in all, with DSS home and scratch file systems. The sources state no peak or HPL figure, interconnect or power, so those fields are blank. Both sources are LRZ pages, so the tier is reported.
Timeline
- 2024-12-10 First operational source
Site & facility
Leibniz Supercomputing Centre, Garching
- Location
- Garching, Germany
- Cooling
- Direct warm-water cooling
- Commissioned
- 2006
Change history
- 2026-10-04 Added CoolMUC-4, LRZ
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.
One cited source was readable and does not mention this system; another could not be read because the host returned a bot challenge. The unreadable one may well be fine, so this is weaker evidence than a corroborated row and much stronger than an unsupported one. See how this check works.
| Cited source | Result | Found on the page |
|---|---|---|
| doku.lrz.de | blocked our fetch | - |
| lrz.de | does not name this system | - |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.