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Next: 5 Conclusions and outlook Up: Developments in Japan Previous: 3.3 Market distribution

4 The Japanese TOP20

This year's Japanese TOP20 is dominated by powerful VPP500 systems. The leader in Japan which also leads the world-wide TOP500 is still the Numerical Wind Tunnel at National Aerospace Lab. This system with 140 processors which is very similar to the VPP500 has been installed in early '93. The fact that an almost 3 year old system leads the TOP500 list shows how innovative this system was. At a time when other vendors of vector computers continued with PVP systems, Fujitsu took the lead with the vector parallel architecture which is able to scale beyond the limits of traditional PVP systems. The second most powerful system in Japan is the VPP500/80 at the National Lab for High Energy Physics. On number 3 we find the first representative of the new CMOS based vector computer of NEC. The SX-4 series has also the potential scalability to reach top positions in the TOP500 list. So far, only the benchmarking system of NEC entered the list. Customer installations are not yet known. The positions 4 to 10 in the Japanese TOP20 are all occupied by Fujitsu VPP500 systems. The latest installations have been performed at Nagoya University and the National Genetics Research Lab. The high- end PVP system of Hitachi can be found on positions 11 to 13. The most recent installation of an S-3800/480 is the Meteorological Agency in Japan. On positions 14 and 15 we see maximum configurations of NEC's SX-3, followed by two 3-processor Hitachi systems, a VPP500/15 and an SX-3/3 system. On position 20 we find the most powerful system in Japan that was manufactured in the US - a Cray C916 at the RIPS research lab in Tsukuba.
Tue May 28 14:38:25 PST 1996