Pleiades

SGI ICE cluster

185 racks (11,776 nodes)

112,896 cores
1.34 petaflops peak cluster
1.09 petaflops LINPACK rating (June 2011)
191 terabytes of memory
Intel Xeon E5472 (Harpertown) processors (3 GHz); Intel Xeon X5570 (Nehalem) processors (2.93 GHz); and Intel Xeon X5670 (Westmore) processors (2.93GHz)

GPU/Westmere nodes:

64 nodes (1 GPU per node)

768 total cores (General Purpose Intel Xeon Westmere Cores)
32,768 total cores (GPU Streaming Cores)
43 teraflops, peak
3.148 terabytes of memory, total

• Pleiades Overview

Columbia
4-node SGI Altix 4700 supercluster

4,608 cores
30 teraflops, peak

9 terabytes of memory

Intel Itanium2 (Montecito) processors (1.6 GHz) and Intel Itanium2 (Montvale) processors (1.6 GHz)

• Columbia Overview

Discover
Aggregate System:

67 racks (3,394 nodes)
35,560 cores

395.8 teraflops, peak

78.856 terabytes of memory

Base Unit = Linux Cluster Custom Supersystem
520 Intel Xeon Dempsey (3.2 GHz)

Scalable Units 1 to 6 = IBM iDataPlex Cluster System

Scalable Units 1 to 4:

12,384 cores

Intel Xeon Westmere (2.8 GHz)

Scalable Units 5 and 6:

8,256 cores

Intel Xeon Nehalem (2.8 Ghz)

Scalable Unit 7 = Dell PowerEdge C6100 System

14,400 cores
Intel Xeon Westmere (2.8 GHz)

• Discover Overview

GPU

IBM iDataPlex
32 nodes (2 GPUs per node)

384 total cores (General Purpose Intel Xeon Westmere Cores)

28,672 total cores (GPU Streaming Cores)

36.4 teraflops, peak

1.92 terabytes of memory, total

• GPU Overview

• Networking Resources Overview