For more information about the sites and systems in the list, click on the links or view the complete list.
| Rank | System | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) |
|---|---|---|---|---|---|
| 1 |
ASCI White, SP Power3 375 MHz,
IBM
Lawrence Livermore National Laboratory United States |
8,192 | 7,226.0 | 12,288.0 | |
| 2 |
AlphaServer SC45, 1 GHz,
HPE
Pittsburgh Supercomputing Center United States |
3,024 | 4,059.0 | 6,048.0 | |
| 3 |
SP Power3 375 MHz 16 way,
IBM
DOE/SC/LBNL/NERSC United States |
3,328 | 3,052.0 | 4,992.0 | |
| 4 |
ASCI Red,
Intel
Sandia National Laboratories United States |
9,632 | 2,379.0 | 3,207.0 | |
| 5 |
ASCI Blue-Pacific SST, IBM SP 604e,
IBM
Lawrence Livermore National Laboratory United States |
5,808 | 2,144.0 | 3,856.5 | |
| 6 |
AlphaServer SC45, 1 GHz,
HPE
Los Alamos National Laboratory United States |
1,536 | 2,096.0 | 3,072.0 | |
| 7 |
SR8000/MPP,
Hitachi
University of Tokyo Japan |
1,152 | 1,709.1 | 2,074.0 | |
| 8 |
ASCI Blue Mountain,
HPE
Los Alamos National Laboratory United States |
6,144 | 1,608.0 | 3,072.0 | |
| 9 |
SP Power3 375 MHz,
IBM
Naval Oceanographic Office - NAVO DSRC United States |
1,336 | 1,417.0 | 2,004.0 | |
| 10 |
SP Power3 375 MHz 16 way,
IBM
Deutscher Wetterdienst Germany |
1,280 | 1,293.0 | 1,920.0 |