Japan
In June 2009, 15 systems appeared in the TOP500 list.
| Rank |
System |
Procs |
Memory(GB) |
Rmax (GFlops) |
Rpeak (GFlops) |
Vendor |
| 22 |
Earth Simulator
Earth Simulator |
1280 |
20480 |
122400 |
131072 |
NEC |
| 28 |
Fujitsu FX1, Quadcore SPARC64 VII 2.52 GHz, Infiniband DDR |
12032 |
96256 |
110600 |
121282 |
Fujitsu |
| 40 |
PRIMERGY RX200S5 Cluster, Xeon X5570 2.93GHz, Infiniband DDR |
8256 |
12384 |
87890 |
96760 |
Fujitsu |
| 41 |
TSUBAME Grid Cluster with CompView TSUBASA
Sun Fire x4600/x6250, Opteron 2.4/2.6 GHz, Xeon E5440 2.833 GHz, ClearSpeed CSX600, nVidia GT200; Voltaire Infiniband |
31024 |
21600 |
87010 |
163188 |
NEC/Sun |
| 42 |
T2K Open Supercomputer (Todai Combined Cluster)
Hitachi Cluster Opteron QC 2.3 GHz, Myrinet 10G |
12288 |
N/A |
82984 |
113050 |
Hitachi |
| 47 |
T2K Open Supercomputer
Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband |
10368 |
20416 |
77280 |
95385 |
Appro |
| 65 |
Plasma Simulator
Hitachi SR16000 Model L2, Power6 4.7Ghz, Infiniband |
4096 |
164482 |
56650 |
77004.8 |
Hitachi |
| 69 |
SHIROKANE
SunBlade x6250, Xeon E5450 3GHz, Infiniband |
5760 |
23040 |
54210 |
69120 |
Sun |
| 78 |
T2K Open Supercomputer/Kyodai
Fujitsu Cluster HX600, Opteron Quad Core, 2.3 GHz, Infiniband |
6656 |
13312 |
50510 |
61235 |
Fujitsu |
| 93 |
SGI Altix ICE 8200EX, Xeon X5560 quad core 2.8 GHz |
4096 |
12288 |
42690 |
45875.2 |
SGI |
| 259 |
Cray XT4 QuadCore 2.2 GHz |
3248 |
N/A |
22930 |
28582 |
Cray Inc. |
| 277 |
GRAPE-DR cluster
GRAPE-DR accelerator Cluster, Infiniband |
8192 |
1024 |
21960 |
84480 |
Self-made |
| 393 |
Blue Protein
eServer Blue Gene Solution |
8192 |
N/A |
18665 |
22937.6 |
IBM |
| 396 |
KEK/BG Sakura
eServer Blue Gene Solution |
8192 |
N/A |
18665 |
22937.6 |
IBM |
| 397 |
KEK/BG MOMO
eServer Blue Gene Solution |
8192 |
N/A |
18665 |
22937.6 |
IBM |
