Study on scientific satellite data processing using JSS3

JAXA Supercomputer System Annual Report February 2025-January 2026

Report Number: R25EEU30800

Subject Category: Space and Astronautical Science

Responsible Representative: Iku SHINOHRA, Unit Leader, C-SODA, ISAS/JAXA
Contact Information: Satoshi Nakahira(nakahira.satoshi@jaxa.jp)
Members: Satoshi Nakahira, Miriam Sawczuck, Ken Ebisawa

Abstract

Investigate and demonstrate large-scale data processing, including reprocessing of scientific satellite and spacecraft data, utilizing JSS, which offers high parallel processing performance.

Reference URL

N/A

Reasons and benefits of using JAXA Supercomputer System

JSS possesses high data I/O and computational performance.

Achievements of the Year

This fiscal year, only small-scale studies and tests were conducted, and there was no large-scale usage.

Publications

N/A

Usage of JSS

Computational Information

Process Parallelization Methods: N/A
Thread Parallelization Methods: N/A
Number of Processes: 1
Elapsed Time per Case: 10 Hour(s)

JSS3 Resources Used

Fraction of Usage in Total Resources*1(%): 0.00

Details

Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.

Computational Resources
System Name	CPU Resources Used (Core x Hours)	Fraction of Usage*2(%)
TOKI-SORA	0.00	0.00
TOKI-ST	210.78	0.00
TOKI-GP	265.59	0.00
TOKI-XM	0.00	0.00
TOKI-LM	0.00	0.00
TOKI-TST	0.00	0.00
TOKI-TGP	0.00	0.00
TOKI-TLM	0.00	0.00

File System Resources
File System Name	Storage Assigned (GiB)	Fraction of Usage*2(%)
/home	0.00	0.00
/data and /data2	1024.00	0.01
/ssd	0.00	0.00

Archiver Resources
Archiver Name	Storage Used (TiB)	Fraction of Usage*2(%)
J-SPACE	6.80	0.02

*1: Fraction of Usage in Total Resources: Weighted average of three resource types (Computing, File System, and Archiver).

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.

ISV Software Licenses Used

ISV Software Licenses Resources
	ISV Software Licenses Used (Hours)	Fraction of Usage*2(%)
ISV Software Licenses (Total)	0.00	0.00

*2: Fraction of Usage：Percentage of usage relative to each resource used in one year.