Aspire 2A

Singapore’s Next Generation National Supercomputer

A green, warm water-cooled system – one of the first known deployments of such a system in a tropical environment, ASPIRE 2A provides an aggregate of up to 10 PFLOPS of raw compute power and is seven times more powerful than ASPIRE 1. ASPIRE 2A is ranked 167th (GPU portion) and 275th (CPU portion) in the November 2022 TOP500 list of the World’s Fastest Supercomputers. The upgraded national supercomputing resources supports and strengthens local research at universities, research institutes, government agencies and companies in areas like climate change, biomedical science and smart nation activities.

Other Platforms
Specifications
  • 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
AMD-based Cray EX supercomputer
  • 105,984 Cores (CPU - AMD EPYCTM 7713)

  • 1,024 Cores (AMD EPYCTM 75F3)

  • 352 NVIDIA A100 Tensor Core GPUs

  • 476 TB (Total System Memory)

  • 25 PBytes Storage (Spinning + Nearline)

  • 10 PBytes (Scratch Disk)
AI System
  • 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
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
Compared to ASPIRE 1, ASPIRE 2A provides
  • More than 3.5 times the processing cores

  • A 5-fold reduction in physical footprint (with 1.5 times fewer nodes)

  • Double the number of NVIDIA GPUs

  • Seven times the computational power
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