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You have to remember - this is an nCUBE.

Courtenay Vaghan

All changes are from November 2001 to June 2002:

The Earth Simulator build by NEC is the new #1.
It has a record lead to the #2 of a factor of almost 5 in Linpack performance.
It equals the sum of the Linpack performance of the next 12 systems.
Only on the June 1999 TOP500 list did the sum of all 500 systems on the list exceed the performance level of the ES. Before this the aggregate performance of all 500 system was smaller then 30TF/s.
Three more systems are new in the TOP10:
- at #4 with 4 TF/s a Hewlett-Packard AlphaServer installed in France at the CEA (Commissariat a l'Energie Atomique).
- at #8 with 2.3 TF/s a IBM Power4 system connected with the new IBM SP switch installed at the Oak Ridge National Lab.
- and at #10 with 2 TF/s a similar IBM system currently tested at Poughkeepsie for shipment to the US Army Research Laboratory (ARL)
2 TF/s Linpack performance are needed to enter the TOP10
5 of the TOP10 systems are from IBM, 3 from HP, and one from NEC, and Intel (ASCI Red).
8 of the TOP10 systems are installed in the US, one system in Japan and one in France.

The number of systems exceeding the 1 TFflop/s mark on the Linpack is now 23 up from to 17
70 systems have peak performance above 1 TFlop/s up from 30 systems 6 month ago
The new entry level of 134 GF/s would have been enough to be listed on position 280 in the last TOP500 just 6 month ago.
Total accumulated performance is 222 TFlop/s compared to 134 TFlop/s 6 month ago.
Entry level is now 134.3 GF/s compared to 94.3 GF/s 6 month ago.
The entry point for the top100 moved from 300 GF/s to 447 GF/s.
The first PC Cluster (#35 wth 825 GF/s) is based on AMD Athlons and installed at the IWR at the University of Heidelberg in Germany.
A total of 42 Intel based and 7 AMD based PC cluster are in the TOP500.
31 of these Intel based cluster are IBM Netfinity systems delivered by IBM. A substantial part of these are installed at industrial customers especially in the oil-industry.
Including 5 Sun and 5 Alpha based clusters and 21 HP AlphaServer, the number of clusters in the top500 grew impressively to 80 systems.
14 of these clusters are labeled as 'Self-Made'.
HP captured the major part of the high-end Telecom market (about 2/3 of systems and IBM and Sun each about 1/6)

The US keeps it's prime position as supercomputer user and producer with only little changes in geographical distribution.
The only exception to this is caused by the ES which propels Japan with respect to installed performance ahead of Europe
Otherwise the number of systems installed in Japan decreased slightly despite the ES.
Hewlett-Packard is taking the lead from IBM with respect to the number of systems installed. This is largely due to the merger of HP and Compaq.
If compared to the combined number of systems both companies had 6 month ago, not much has changed.
HP (and Compaq) stayed at 168 systems (169 in November 2001) and IBM stayed at 164 systems slightly up form 160.
IBM is still leading the list with respect to the installed performance with a stable share of 33.3 ahead of HP 22.2% and NEC with 19%.
No other manufacturer is currently able to capture more than 8% in any category.