GPU clusters
JAMSTEC ZettaScaler-2.2 Gyoukou
Compute
81.05 H100e
Chips
10,000
First operational
Nov 15, 2017
JAMSTEC ZettaScaler-2.2 Gyoukou is a large GPU cluster operated by Japan Agency for Marine-Earth Science and Technology, located in Japan, in the public sector. It came online around November 2017. At that moment it ranked number 4 among known clusters.
It is built on 10,000 PEZY-SC2. That amounts to about 81.05 H100e of AI compute. The cluster draws roughly 2.6 MW.
Epoch AI rates the certainty of this record as likely.
Full record
- Owner
- Japan Agency for Marine-Earth Science and Technology
- Users
- Japan Agency for Marine-Earth Science and Technology
- Sector
- Public
- Status
- Existing
- Country
- Japan
- Primary chip
- PEZY-SC2
- Primary chip count
- 10,000
- Total AI chips
- 10,000
- H100 equivalents
- 81.05
- Power capacity
- 2.6 MW
- First operational
- Nov 15, 2017
- Rank when it came online
- 4
- Certainty
- Likely
More from Japan Agency for Marine-Earth Science and Technology
SourceEpoch AI, 'GPU Clusters'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/gpu-clusters. Licensed under CC BY 4.0.
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