System Overview
The Earth Simulator (ES4) is a multi-architecture supercomputer based on AMD EPYC CPUs, combined with accelerators (NEC's SX-Aurora TSUBASA and NVIDIA's GPU A100).
Earth Simulator total performance

Earth Simulator total performance | |
---|---|
Total Peak Performance | 19.5 PFLOPS |
Total Memory | 556.5 TiB |
Shared Storage Capacity | Home area:120 TB |
Data area: 60 PB | |
Work area: 1.3 PB | |
Interconnect Bandwidth | 200 Gb/s (for two-way) |
Details of the Earth Simulator (ES4)
Compute Nodes Overview

Node Type | CPU Nodes | VE-equipped Nodes | GPU-equipped Nodes | |
---|---|---|---|---|
Number of Node | 720 | 684 | 8 | |
Per Node | CPU Name | AMD EPYC 7742 | ||
Number of CPUs (Cores) | 2(128) | 1(64) | 2(128) | |
OS | Rocky Linux 8 | |||
Total memory (Host Part) | 256GiB | 128GiB | 4TiB | |
Acceralator Type | - | NEC SX-Aurora TSUBASA Type 20B |
NVIDIA A100 | |
Number of Acceralators | - | 8VE (8 cores per VE) |
8 GPU | |
Total memory (Accelerator) | - | 48GiB | 40GiB |