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June 2010

• A Chinese system called Nebulae, build from a Dawning TC3600 Blade system with Intel X5650 processors and NVidia Tesla C2050 GPUs is now the fastest in theoretical peak performance at 2.98 PFlop/s and No. 2 with a Linpack performance of 1.271 PFlop/s. This is the highest rank a Chinese system ever achieved. There are now 2 Chinese systems in the TOP10 and 24 in the TOP500 overall.
• China keeps increasing its number of systems to 24 and is now tied with Germany (steadily declining) for spot No. 4 after the USA, UK and France.
• China also climbed with respect to overall installed performance and is now holding for the first time the No. 2 spot behind the USA and ahead of Germany.
• The Jaguar system at Oak Ridge National Laboratory managed to hold the No. 1 spot with 1.75 PFlop/s Linpack performance even as it’s peak performance is lower than the Chinese Nebulae system.
• The most powerful system in Europe is an IBM BlueGene/P system at the German Forschungszentrum Juelich (FZJ) which dropped to No. 5.
• Intel dominates the high-end processor market 81.6 percent of all systems and over 90 percent of quad-core based systems.
• The Intel Core i7 (Nehalem-EP) processors increased their presence in the list with 186 systems compared with 95 in the last list.
• Quad-core processors are used in 85 percent of the systems and 5 percent use already processors with six or more cores.
• Other notable systems are:
  • The Tianhe-1 system at No. 7, which is a hybrid design with Intel Xeon processors and AMD GPUs. The TH-1 uses AMD GPUs as accelerators. Each node consists of two AMD GPUs attached to two Intel Xeon processors.
• IBM regains the lead in market share by total systems from Hewlett-Packard, IBM also stays ahead by overall installed performance.
• The Cray’s XT system series remains very popular for big research customers with 10 systems in the TOP50 (20 percent).

For more information about the sites and systems in the list, click on the links or view the complete list.