Welcome¶
Info
Early Access Phase 2 for production operation is currently underway. Early Access Phase 2 is scheduled to continue until the end of September 2026.
Supercomputer RIKYU is a system installed at the RIKEN Center for Computational Science to accelerate scientific discovery through AI. The system consists of 400 compute nodes equipped with NVIDIA GB200 NVL4, for a total of 1,600 NVIDIA Blackwell GPUs. Its FP64 performance is 64.160 PFLOPS, and its FP8 performance is 15.539 EFLOPS.
This user guide explains how to use Supercomputer RIKYU.
Account Application¶
To apply for an account on this system, use the RIKYU Account Application System (RAAS) below.
Note
Users continuing from Early Access Phase 1 must also submit a new account application. Early Access Phase 2 is available to ARiSE users, members of accepted SPReAD1000 projects, and RIKEN members. To use this system, users must register their personal information, and the project representative must register the project, add project members, and complete the required project procedures.
Usage Fees¶
The usage fee for this system is 300 yen per GPU hour. For example, using 4 GPUs for 5 hours costs 4 GPUs × 5 hours × 300 yen = 6,000 yen. Consumption tax is charged separately. Usage fees are billed in arrears as a lump sum after the end of Early Access Phase 2.
To check your current usage, refer to the billing system below.
Acknowledgments¶
When you publish research results obtained using this system, such as in papers, include an acknowledgment based on the following example.