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| 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 | 7,226.00 | 12,288.00 | |
| 2 | SP Power3 375 MHz 16 way, IBM DOE/SC/LBNL/NERSC United States | 2,528 | 2,526.00 | 3,792.00 | |
| 3 | ASCI Red, Intel Sandia National Laboratories United States | 9,632 | 2,379.00 | 3,207.00 | |
| 4 | ASCI Blue-Pacific SST, IBM SP 604e, IBM Lawrence Livermore National Laboratory United States | 5,808 | 2,144.00 | 3,856.50 | |
| 5 | SR8000/MPP, Hitachi University of Tokyo Japan | 1,152 | 1,709.10 | 2,074.00 | |
| 6 | ASCI Blue Mountain, HPE Los Alamos National Laboratory United States | 6,144 | 1,608.00 | 3,072.00 | |
| 7 | SP Power3 375 MHz, IBM Naval Oceanographic Office - NAVO DSRC United States | 1,336 | 1,417.00 | 2,004.00 | |
| 8 | SX-5/128M8 3.2ns, NEC Osaka University Japan | 128 | 1,192.00 | 1,280.00 | |
| 9 | SP Power3 375 MHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States | 1,104 | 1,179.00 | 1,656.00 | |
| 10 | SP Power3 375 MHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States | 1,104 | 1,179.00 | 1,656.00 |