Summary

ASPIRE2A’s core computing capabilities deliver a level of performance and flexibility needed to support a multifaceted array of HPC applications. The computational components are balanced with high speed storage subsystems and a low latency high speed interconnect that ensures to deliver the highest levels of performance across a broad spectrum of applications.

ASPIRE2A is an AMD-Based Cray EX supercomputer with 25 PB of GPFS FS and 10 PB of Lustre FS storage and Slingshot interconnect. The following diagram shows the high-level specification of ASPIRE2A.

The NSCC HPC system comprises of the following:

ASPIRE2A

• HPE Cray EX 2x AMD EPYC Millan 7713 providing total compute capacity of up to 10 PFlops, 512 GB memory and 128 cores per node.
• GPU compute capability with 4 x NVIDIA A100-40G SXM per node.
• Please refer this link for more info – https://help.nscc.sg/wp-content/uploads/ASPIRE2A-General-Quickstart-Guide.pdf

AI System

• Total 18 AI GPU nodes
  • 12 nodes with 4x Nvidia A100 40GB and 12 TB nvme local storage.
  • 6 nodes with 8x Nvidia A100 40GB and 14TB nvme local storage.
  • Access to the AI systems is via ASPIRE2A “ai” queue.

High Frequency

• 16 DL385 High Frequency Nodes.
  • Dual-CPU AMD 75F3 (32 cores/CPU + 32 cores/CPU = 64 cores in a node).
  • 100G High speed network.
  • 512GB DDR4 ECC RAM (User accessible RAM = 500 GB).
  • Red Hat Enterprise Linux-8

High Speed Network Interconnect (HPE Slingshot)

• All nodes are connected with HPE Slingshot Interconnect (Dragonfly Topology).
• HPE Slingshot provides a modern, high-performance interconnect for HPC and AI clusters that delivers high-bandwidth and low-latency for HPC, ML, and analytics applications.

Other Features

• Remote extended network connections to the A*STAR, NUS, NTU, SUTD and NEA sites.
• Parallel file system (Lustre & PFSS)
• Liquid cooled high-density Cray EX cabinets.
• Air cooled racks (specialized AI, Large memory, storage, login nodes)
• Altair Workload Manager

Technical Specs