Italy
The following table shows previous lists and the number of systems installed when the list was published. Country Efficiency in the table is SUM(Rmax)/SUM(Rpeak), expressed as a percentage.
This country maintained presence in the list since the list was started in June 1993.
| List | Systems | Highest Ranking | Sum Rmax (GFlops) |
Sum Rpeak (GFlops) |
Efficiency (%) |
|---|---|---|---|---|---|
| 06/2008 | 6 | 90 | 99980.00 | 204975.30 | 48.78 |
| 11/2007 | 6 | 48 | 69111.58 | 172165.10 | 40.14 |
| 06/2007 | 5 | 67 | 36604.20 | 66512.00 | 55.03 |
| 11/2006 | 8 | 44 | 39171.74 | 68663.68 | 57.05 |
| 06/2006 | 7 | 225 | 19728.67 | 32430.38 | 60.83 |
| 11/2005 | 6 | 130 | 14536.83 | 23252.48 | 62.52 |
| 06/2005 | 11 | 102 | 20064.33 | 32244.48 | 62.23 |
| 11/2004 | 15 | 61 | 19196.80 | 34161.12 | 56.19 |
| 06/2004 | 18 | 63 | 16420.15 | 27090.56 | 60.61 |
| 11/2003 | 17 | 62 | 10088.60 | 16915.84 | 59.64 |
| 06/2003 | 14 | 36 | 6610.90 | 11222.40 | 58.91 |
| 11/2002 | 16 | 30 | 5525.80 | 9043.20 | 61.10 |
| 06/2002 | 16 | 32 | 3814.50 | 7107.20 | 53.67 |
| 11/2001 | 11 | 136 | 1348.43 | 1884.60 | 71.55 |
| 06/2001 | 12 | 108 | 1237.33 | 1695.80 | 72.96 |
| 11/2000 | 9 | 88 | 854.91 | 1180.48 | 72.42 |
| 06/2000 | 6 | 66 | 455.88 | 687.68 | 66.29 |
| 11/1999 | 6 | 47 | 426.90 | 687.10 | 62.13 |
| 06/1999 | 5 | 36 | 344.65 | 512.06 | 67.31 |
| 11/1998 | 1 | 38 | 142.36 | 206.40 | 68.97 |
| 06/1998 | 3 | 29 | 161.23 | 231.04 | 69.78 |
| 11/1997 | 3 | 71 | 75.76 | 111.84 | 67.74 |
| 06/1997 | 1 | 56 | 50.40 | 76.80 | 65.62 |
| 11/1996 | 6 | 155 | 42.25 | 59.21 | 71.36 |
| 06/1996 | 4 | 209 | 21.61 | 33.77 | 63.99 |
| 11/1995 | 6 | 168 | 27.20 | 43.15 | 63.04 |
| 06/1995 | 5 | 132 | 23.26 | 35.47 | 65.58 |
| 11/1994 | 3 | 353 | 4.35 | 8.36 | 52.07 |
| 06/1994 | 2 | 285 | 2.86 | 3.24 | 88.39 |
| 11/1993 | 6 | 265 | 4.31 | 7.38 | 58.44 |
| 06/1993 | 6 | 223 | 4.31 | 7.38 | 58.44 |