Astra is a petascale ARM supercomputer designed for Sandia National Laboratories expeced to be deployed in mid-2018. This is the first ARM-based supercomputer to exceed 1 petaFLOPS.
History
Astra is an ARM-based supercomputer expected to be deployed at Sandia National Laboratories. The computer is one of a series of prototypes commissioned by the U.S. Department of Energy as part of a program that evaluates the feasibility of emerging high-performance computing architectures as production platforms to support NNSA's mission. Specifically, Astra is designed to demonstrate the viability of ARM for DOE NNSA Supercomputing.
Overview
Astra is the first ARM-based petascale supercomputer. The system consists of 5,184 Cavium ThunderX2 CN9975 processors with a 1.2 MW power consumption for a peak performance of 2.322 petaFLOPS. Each ThunderX2 CN9975 has 28 cores operating at 2 GHz. There are also 108 36-port switches and 3 540-port spine switches.
| Components |
|---|
| Processors | 5,184
2 x 72 x 36 |
|---|
| Racks | 36 |
|---|
| Peak FLOPS | 2.322 petaFLOPS |
|---|
Astra has close around 700 terabytes of memory.
| Astra Total Memory |
|---|
| Type | DDR4 | NVMe |
|---|
| Node | 128 GiB | ? |
|---|
| Astra | 324 TiB | 403 TB |
|---|
Architecture
System
Compute Rack
Compute Node
Socket
Full-node
Bibliography
