| |
| Processor |
8,192 processors
(Dual PowerPC 400 700MHz; per node) |
| Memory |
2 TeraBytes
(512 MB SDRAM-DDR per node) |
| Networks |
3D Torus - 175MB/sec in each direction
Collective Network - 350MB/sec; 1.5 micro sec latency
Global Barrier/Interrupt
Gigabit Ethernet(machine control and outside connectivity) |
| Compute Nodes |
Dual processor; 4096 nodes (1024 nodes per rack) |
| I/O Nodes |
Dual processor; 128 nodes (32 nodes per rack) |
| Operating Systems |
Compute Node - Lightweight proprietary kernel
I/O Node - Embedded Linux
Front End Nodes - SuSE SLES 9 Linux
Service Nodes - SiSE SLES 8 Linux |
| Performance |
22.9 teraflops peak(virtual node mode)
11.4 teraflops peak(coprocessor mode)
18.2 teraflops Linpack |
| Size |
Width:4517mm / Depth:915mm / Height:1958mm
Weight:2740kg |
| Power |
124kVA(31kVA/rack) |
| |
| File System |
General Parallel File System for Linux
8 File Servers (xSeries 345), 20 TeraByte Disk System |
| Front End Node |
2way Power5 1.65GHz(p520), C++, Fortran |
| Service Node |
4way Power4+ 1.5GHz(p650), DB2 UDB |
