Japan
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 (%) |
|---|---|---|---|---|---|
| 11/2008 | 18 | 27 | 566768.00 | 793486.40 | 71.43 |
| 06/2008 | 22 | 16 | 550864.80 | 731116.20 | 75.35 |
| 11/2007 | 20 | 16 | 291118.05 | 405634.20 | 71.77 |
| 06/2007 | 23 | 14 | 285611.05 | 392777.00 | 72.72 |
| 11/2006 | 30 | 9 | 286673.51 | 398634.40 | 71.91 |
| 06/2006 | 29 | 7 | 260088.85 | 346696.80 | 75.02 |
| 11/2005 | 20 | 7 | 130523.98 | 181194.20 | 72.04 |
| 06/2005 | 23 | 4 | 128625.80 | 180676.40 | 71.19 |
| 11/2004 | 30 | 3 | 95004.40 | 132819.60 | 71.53 |
| 06/2004 | 34 | 1 | 90283.10 | 123507.60 | 73.10 |
| 11/2003 | 32 | 1 | 62672.20 | 80705.00 | 77.66 |
| 06/2003 | 39 | 1 | 62195.40 | 80121.40 | 77.63 |
| 11/2002 | 47 | 1 | 57902.40 | 68621.10 | 84.38 |
| 06/2002 | 53 | 1 | 57315.20 | 67578.16 | 84.81 |
| 11/2001 | 57 | 7 | 18383.52 | 22966.34 | 80.05 |
| 06/2001 | 54 | 5 | 15887.28 | 19475.24 | 81.58 |
| 11/2000 | 63 | 9 | 11220.35 | 13788.18 | 81.38 |
| 06/2000 | 61 | 6 | 9803.50 | 11956.22 | 81.99 |
| 11/1999 | 57 | 5 | 6472.64 | 7936.90 | 81.55 |
| 06/1999 | 56 | 4 | 5516.63 | 6654.44 | 82.90 |
| 11/1998 | 69 | 14 | 3699.59 | 4676.29 | 79.11 |
| 06/1998 | 83 | 6 | 3730.46 | 4569.35 | 81.64 |
| 11/1997 | 91 | 4 | 3445.12 | 4296.28 | 80.19 |
| 06/1997 | 87 | 2 | 2993.00 | 3805.12 | 78.66 |
| 11/1996 | 80 | 1 | 2506.58 | 3249.71 | 77.13 |
| 06/1996 | 93 | 1 | 1847.67 | 2344.14 | 78.82 |
| 11/1995 | 73 | 1 | 1232.75 | 1560.54 | 78.99 |
| 06/1995 | 66 | 1 | 974.37 | 1244.59 | 78.29 |
| 11/1994 | 82 | 1 | 708.39 | 927.72 | 76.36 |
| 06/1994 | 109 | 2 | 637.63 | 928.99 | 68.64 |
| 11/1993 | 107 | 1 | 353.08 | 565.73 | 62.41 |
| 06/1993 | 111 | 5 | 207.75 | 295.74 | 70.25 |