Specifications

Normal Mode: 2.0 GHz
･ Double Precision (64 bit) 488 Petaflops
･ Single Precision (32 bit) 977 Petaflops
･ Half Precision (16 bit) 1.95 Exaflops
･ Integer (8 bit) 3.90 Exa Exaops

Boost Mode: 2.2 GHz
･ Double Precision (64 bit) 537 Petaflops
･ Single Precision (32 bit) 1.07 Exaflops
･ Half Precision (16 bit) 2.15 Exaflops
･ Integer (8 bit) 4.30 Exaops

4.85 PiB

163 PB/s

Armv8.2-A SVE 512 bit
With the following Fujitsu's extensions: Hardware barrier, Sector cache, and Prefetch

48 cores

Computational node: 2 cores
I/O and computational node: 4 cores

Normal Mode: 2.0 GHz
DP: 3.072 TFLOPS, SP: 6.144 TFLOPS, HP: 12.288 TFLOPS

Boost Mode: 2.2 GHz
DP: 3.3792 TFLOPS, SP: 6.7584 TFLOPS, HP: 13.5168 TFLOPS

L1D/core: 64 KiB, 4way, 256 GB/s (load), 128 GB/s (store)

L2/CMG: 8 MiB, 16way
L2/node: 4 TB/s (load), 2 TB/s (store)
L2/core: 128 GB/s (load), 64 GB/s (store)

HBM2 32 GiB, 1024 GB/s / Tofu Interconnect D (28 Gbps x 2 lane x 10 port) / PCIe Gen3 x16 / 7nm FinFET

LLIO (Lightweight Layered IO-Accelerator)
LLIO is a file system dedicated to the job execution area.
Providing the following three types of areas to the job.
･ Node Temporary Area
･ Shared Temporary Area
･ Cache Area of 2nd Layer Storage

FEFS (Fujitsu Exabyte File System)
FEFS is a large shared area used by users and jobs.
Luster-based file system.

Commercial cloud storage services

Fortran2008 & Fortran2018 subset
C11 & GNU and Clang extensions
C++14 & C++17 subset and GNU and Clang extensions
OpenMP 4.5 & OpenMP 5.0 subset
Java

XcalableMP
FPDPS

Python + Numpy + Scipy, Ruby

BLAS, LAPACK, ScaLAPACK
SSL II (Fujitsu)
EigenExa, Kevd, Batched BLAS, 2.5D-PDGEMM

Red Hat Enterprise Linux 8
McKernel

Fujitsu MPI (Based on OpenMPI), RIKEN-MPICH (Based on MPICH)

LLIO
Application-oriented file IO libraries