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High-End Computing Program

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COMPUTING SYSTEMS OVERVIEW

This table shows the systems and related resources at the NASA Advanced Supercomputing (NAS) Facility and the NASA Center for Computational Sciences (NCCS).


Information about HEC Systems and Related Resources
  NAS NCCS
Systems

Pleiades
6,400-node SGI ICE cluster
673.4 teraflops, peak
544.3 teraflops LINPACK rating
Xeon 5472 (Harpertown) processors (3 GHz) and Xeon X5570 (Nehalem) processors (2.93 GHz)
56,320 cores (2 quad-core processors per node)
74.7 terabytes of memory

 

Columbia
23-node SGI Altix constellation-class supercluster
89.2 teraflops, peak
14,336 processors (1.5/1.6 GHz Intel Itanium2-Madison: single-core; Montecito: dual-core)
28 terabytes of memory

Schirra
IBM POWER5+ supercomputer
4.9 teraflops, peak
40 compute nodes, each with 16 SMPs in 8 dual-cores
1.24 terabytes of memory

Discover

Aggregate System:

11,032 cores

111 teraflops, peak

22.8 terabytes of memory

Base Unit + Scalable Units 1 and 2 = Linux Cluster Custom Supersystem
2,560 cores
512 Xeon Dempsey (3.2 GHz)
2,048 Xeon Woodcrest (2.6 GHz)

Scalable Units 3 to 5 = IBM iDataPlex Cluster System

Scalable Units 3 and 4:

4,128 cores

Xeon Harpertown (2.5 GHz)

Scalable Unit 5:

4,128 cores

Xeon Nehalem (2.8 Ghz)
Storage

Online:
3 petabytes of RAID (combined total for all systems on computer floor)

Archive Capacity:
25 petabytes

Online:
1.3 petabytes of RAID

Archive Capacity:
16.5 petabytes
Networking SGI NUMAlink
Voltaire InfiniBand
10-Gigabit Ethernet
1-Gigabit Ethernet		 SGI NUMAlink
SilverStorm Technologies InfiniBand
10-Gigabit Ethernet
1-Gigabit Ethernet
Visualization and Analysis Hyperwall-2
128 graphics processing units (Nvidia 8800GTX cards)
~74 teraflops, peak processing power
1,024 Opteron cores (quad-core)
350 terabytes of storage

Dali Data Analysis Nodes
IBM System x3950
8 nodes, each containing:

  • 4 quad-core Intel Xeon Dunnington 2.0 GHz processors
  • 256 gigabytes of memory
  • 10-gigabit Ethernet network connectivity
  • Fibre channel access to the IBM GPFS file systems (~1 gigabyte/sec for large single stream file access)
  • NFS access to Dirac (archive) and data portal file systems

Discover Visualization Nodes: Visor
16 nodes, each containing:

  • 4 AMD Opteron 2.6 GHz processors
  • 1 graphics processing unit (NVIDIA Quadro FX 4500)
  • 8 gigabytes of memory

 

Data Portal

HP BladeSystem C7000
16 nodes, each containing:

  • 2 quad-core Intel Xeon 2.83 GHz processors
  • 8 gigabytes of memory

100 terabytes of network storage (GPFS managed)

NFS served to compute hosts

 

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