Supercomputers/Systems/Bubba
USA · operational · hpc
Bubba
Operated by DUG Technology at Skybox Houston (DUG McCloud) .
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 | - Intel Xeon processor nodes (exact model not disclosed) | Intel | - | Reported | jpt.spe.org |
| Cooling | Single-phase immersion Cooling Full submersion in a dielectric bath · 100 kW per tank and above DUG Cool polyalphaolefin dielectric-fluid immersion cooling | DUG Technology | - | Reported | houston.culturemap.comjpt.spe.org |
The read
DUG Technology's (then DownUnder GeoSolutions) seismic-processing supercomputer at Skybox Data Centers in Katy, west of Houston, opened 16 May 2019 in the first of two planned 15MW immersion-cooled data halls, part of the DUG McCloud network that also spans Perth, Kuala Lumpur and London. CultureMap's coverage and the Society of Petroleum Engineers' JPT both independently describe more than 40,000 server nodes cooled in DUG's own polyalphaolefin dielectric-fluid immersion tanks, used for DUG's seismic depth-imaging and full-waveform-inversion services to oil and gas clients. The two sources disagree on the headline number, 250 single-precision petaflops for the first hall per JPT against a 650 single-precision petaflops figure CultureMap gives for the completed two-hall site, and TOP500's HPL benchmark requires double precision, which JPT states this system was never designed to run, so it has no TOP500 ranking and no Rmax/Rpeak/core figure is recorded here rather than reusing either single-precision claim.
Site & facility
Skybox Houston (DUG McCloud)
- Location
- Katy, TX, USA
- Cooling
- Single-phase immersion cooling (DUG Cool)
- Substation
- 15 MW
- Commissioned
- 2019
Change history
- 2026-09-24 Bubba added, reported on CultureMap and SPE JPT
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 |
|---|---|---|
| houston.culturemap.com | names system only | - |
| jpt.spe.org | does not name this system | - |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.