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High-End Computing Program

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

Information about HEC Systems and Related Resources


SGI ICE cluster

160 racks (11,440 nodes)

245,536 cores
7.24 petaflops peak
5.95 petaflops LINPACK rating (#17 on November 2017 TOP500 list)
175 teraflops HPCG rating (#11 on November 2017 HPCG list)
938 terabytes of memory
Intel Xeon Westmere 5670 processors (2.93 GHz); Intel Xeon Westmere X5675 processors (3.06 GHz); Intel Xeon Sandy Bridge E5-2670 processors (2.6 GHz); Intel Xeon Ivy Bridge E5-2680v2 processors (2.8 GHz); Intel Xeon Haswell E5-2680v3 (2.5 GHz) processors; and Intel Xeon Broadwell E5-2680v4 processors (2.4 GHz)

935 terabytes of memory

GPU/Sandy Bridge and Westmere nodes:

2 racks (64 nodes; 1 GPU per node)

1,024 cores (General Purpose Intel Xeon Sandy Bridge Cores)
184,320 GPU cores
275 teraflops, peak

Many Integrated Core–MIC/Sandy Bridge nodes:

1 rack (32 nodes)

512 cores (General Purpose Intel Xeon Sandy Bridge Cores)
3,840 MIC cores
64 teraflops, peak



SGI modular system

16 Broadwell racks and 6 Skylake E-cells (2,880 nodes)

101,376 cores
6.55 petaflops peak
3.31 petaflops LINPACK rating (#33 on November 2017 TOP500 list)
65 teraflops HPCG rating (#34 on November 2017 HPCG list)

479 terabytes of memory

Intel Xeon E5-2680v4 Broadwell processors (2.4 GHz) and Intel Xeon Gold 6148 Skylake processors (2.4 GHz0



2-node SGI UV 2000 system

1,536 cores
32 teraflops, peak

6 terabytes of memory

Intel Xeon E5-4650L Sandy Bridge processors (2.6 GHz)



56 racks (half-population; 1,792 nodes)

21,504 cores
252 teraflops, peak

86 terabytes of memory

Intel Xeon X5670 Westmere processors (2.93 GHz)

Aggregate System:

89 racks
90,336 cores

3.478 petaflops peak
408.576 terabytes of memory

Scalable Unit 9 = IBM iDataPlex Cluster System
7,680 cores
Intel Xeon Sandy Bridge (2.6 GHz)
103,680 NVIDIA Tesla K40 Graphics Processing Unit (GPU) streaming cores

Scalable Units 10, 11, 12, and 13 = SGI Rackable System
81,954 cores
Intel Xeon Haswell (2.6 GHz)


29 petabytes of RAID disk capacity (combined total for all systems)

Archive Capacity:
520 petabytes

65 petabytes of RAID

Archive Capacity:
150 petabytes

Networking SGI NUMAlink
Voltaire InfiniBand
10-Gigabit Ethernet
1-Gigabit Ethernet
Mellanox Technologies InfiniBand
40-Gigabit Ethernet
10-Gigabit Ethernet
1-Gigabit Ethernet
Visualization and Analysis

128-screen tiled LCD wall arranged in 8x16 configuration
Measures 23-ft. wide by 10-ft. high
128 graphics processing units (Nvidia GeForce GTX 780 Ti)
646 teraflops, peak processing power
2,560 Intel Xeon E5-2680v2 (Ivy Bridge) cores (10-core)
57 teraflops, peak processing power
393 gigabytes of GDDR5 graphics memory
1.5 petabytes of storage

Data Exploration Theater
Visualization Wall/Hyperwall

15 Samsung UD55C 55-inch displays in 5x3 configuration
Measures 20 ft. wide by 6-ft.10-in. high
DVI connection
1920 x 1080 screen resolution @1080p

Visualization Wall/Hyperwall Cluster
16 Dell Precision WorkStation R5400s
2 dual-core Intel Xeon Harpertown processors per node
4 GB of memory per node
NVIDIA Quadro FX 1700 graphics
1 Gigabit Ethernet network connectivity
Control Station
One Dell FX100 Thin Client

ADAPT—Advanced Data Analytics Platform

Managed Virtual Machine Environment

550+ Hypervisors – Intel Xeon Westmere, Ivy Bridge, Sandy Bridge, and Broadwell processor cores

High-speed InfiniBand and 10 Gigabit Ethernet networks

Linux and Windows Virtual Machines

10+ petabytes of raw storage under Gluster file system management


HP ProLiant DL380p Gen8

Dual-socket, 10-core Intel Xeon 2.5 GHz Ivy Bridge processors

128 gigabytes of RAM

Mellanox ConnectX-3 MT27500 Interconnect

2 x 500GB SAS drives and 3 x 4TB SAS drives

Remote Visualization

HP DL380 G8

20 E5-2670 v2/2.50GHz cores

128 gigabytes of RAM

NVIDIA K5000 GPU card


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