| Year | System Size | Machine |
| 1950's | O(100) | |
| 1991 | 55,296 | CM |
| 1992 | 75,264 | Intel |
| 1993 | "" | "" |
| 1994 | 76,800 | CM |
| 1995 | 128,600 | Intel |
| 1996 | 215,000 | Asci Red |
| 1997 | "" | "" |
| 1998 | "" | "" |
| 1999 | 431,344 | Asci Blue |
| 2000 | "" | "" |
| 2001 | 525,000 | Pittsburgh |
| 2002 | 1,075,200 | Earth Simulator |
| 2003 | " | " " " |
| 2004 | " | " " " |