Upper Weather Prediction
JAXA Supercomputer System Annual Report April 2018-March 2019
Report Number: R18EG3108
Subject Category: Research and Development
- Responsible Representative: Koji Yamanaka, Director, Research Unit I, Research and Development Directorate
- Contact Information: Hiroshi Kato(kato.hiroshi@jaxa.jp)
- Members: Hiroshi Kato, Noriyuki Ohi, Yoshihiro Kasai, Daichi Obinata, Seiji Katagiri, Masaya Nakano
Abstract
This study aims to develop the reanalysis system for upper atmospheric density to improve the satellite orbit prediction accuracy.
Reference URL
N/A
Reasons for using JSS2
In order to realize atmospheric density reanalysis, it is required to perform atmospheric density model calculation with many calculation conditions simultaneously.
Achievements of the Year
The construction of reanalysis system for atmospheric density was completed, and it was confirmed through numerical experiments that the atmospheric density reanalysis can be performed.
Publications
N/A
Usage of JSS2
Computational Information
- Process Parallelization Methods: N/A
- Thread Parallelization Methods: Automatic Parallelization
- Number of Processes: 1
- Elapsed Time per Case: 20 Minute(s)
Resources Used
Fraction of Usage in Total Resources*1(%): 0.02
Details
Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.
| System Name | Amount of Core Time(core x hours) | Fraction of Usage*2(%) |
|---|---|---|
| SORA-MA | 111,942.89 | 0.01 |
| SORA-PP | 2,447.74 | 0.02 |
| SORA-LM | 0.00 | 0.00 |
| SORA-TPP | 0.00 | 0.00 |
| File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
|---|---|---|
| /home | 95.37 | 0.10 |
| /data | 4,846.58 | 0.09 |
| /ltmp | 5,729.17 | 0.49 |
| Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
|---|---|---|
| J-SPACE | 0.00 | 0.00 |
*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.
JAXA Supercomputer System Annual Report April 2018-March 2019