TOP500 List Highlights - June 1999

All changes are from Nov 98 to June 99:

Highlights from the Top 10:

Hitachi brings the Japanese vendors back in the TOP10
3 DOE ASCI machines
1 Intel (Sandia), 1 IBM (Livermore), 1 SGI (Los Alamos) represent 10% of the total Flop/s on the list
0.5 Tflop/s is the entry point for the Top 10
7 systems have peak performance above 1 TFlop/s
2 machines are in England, both SGI T3E systems - 1 system in Japan - 7 systems in the US

With 194 new machines on list in the last 6 month the rate of replacement is higher than in the past.
#1 machine is the upgraded Intel ASCI Red with 2.1 Tflop/s
Total accumulated performance is 39.1 TFlop/s
Entry level is now 24.7 GF/s compared to 17.1 GF/s 6 month ago

MPP's continue to increase (from 327 machines to 358 machines)
Vector based machines continue to decrease (from 65 machines to 58 machines)
5 network of workstations are on the list compared to only 2 6 month ago
The US keeps it's prime position as supercomputer user (300 systems)
Further decrease in the number of machines located in Japan (from 69 machines to 58 machines)
The US continues to dominate production (increase from 444 machines to 448 machines)
# of machines used in industry continues to increase from 207 machines to 241 machines to it's highest level seen in the TOP500
# of machine used in research continue to decrease from 137 machines to 123 machines
# of machines used in for academic use continue to decease from 90 machines to 71 machines
SGI keeps 36% of installed systems and 48% of installed performance.
IBM increases from 104 to 118 systems (and 19% of performance)
Sun decreases form 127 to 95 (and 8% of performance)
Average system sizes in processor numbers by manufacturer are:
- SGI 232
- IBM 181
- Sun 60
Average system size in processor numbers by country installed:
- US 220
- Japan 170
- Europe 135

Total: 188 (and 78.2 GF/s average)