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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
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NAS |
NCCS |
| Systems |
Pleiades
6,400-node SGI ICE cluster
609 teraflops, peak
Xeon 5472 (Harpertown) processors (3 GHz)
51,200 cores (2 quad-core processors per node)
51 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
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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)
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| Storage |
Online:
3 petabytes of RAID (combined total for all systems on computer floor)
Archive Capacity:
25 petabytes
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Online:
1.3 petabytes of RAID
Archive Capacity:
16.5 petabytes
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| 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 |
