Supercomputer “ATERUI III” Opens New Era of Simulation Astronomy
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Supercomputer “ATERUI III” Opens New Era of Simulation Astronomy

02/12/2024 National Astronomical Observatory of Japan
The Center for Computational Astrophysics at the National Astronomical Observatory of Japan (NAOJ) has introduced the HPE Cray XD2000 system as a new supercomputer to replace the current dedicated astronomy supercomputer “ATERUI II.” The operation of the new system began on December 2, 2024, at NAOJ Mizusawa Campus in Oshu City, Iwate Prefecture. The new system has been nicknamed NS-06 “ATERUI III,” inheriting the name from its predecessor.

ATERUI III has a total theoretical peak performance of 1.99 petaflops (note) and consists of two types of subsystems: “System M,” which emphasizes memory bandwidth (3.2 TB/s per node, 12.5 times that of ATERUI II), and “System P,” which emphasizes memory capacity (512 GB per node, 1.3 times that of ATERUI II). By utilizing these two systems, which excel in different types of calculations, ATERUI III is expected to achieve faster computation speeds than ATERUI II for various simulations. It is anticipated to further serve as a “laboratory for theoretical astronomy” to investigate a wide range of astrophysical phenomena.

(note) Flops (floating-point operations per second) is a unit of computational speed. One petaflops means the capability to perform one quadrillion operations per second.
https://www.nao.ac.jp/en/news/topics/2024/20241202-cfca.html
Attached files
  • The new supercomputer for astronomy “ATERUI III”. (credit: NAOJ)
02/12/2024 National Astronomical Observatory of Japan
Regions: Asia, Japan
Keywords: Science, Space Science

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