Highlights from the Top 50

All changes are from November 2006 to June 2007

• The entry level into the TOP50 is at 15.8 TF/s
• The U.S. has about the same percentage of systems (58 percent) in the TOP50 than in the TOP500 while Japan has an increased share of 12 percent.
• The dominant architectures are custom build massively parallel systems MPPs with 60 percent ahead of commodity clusters with 36 percent.
• IBM leads the TOP50 with 46% of systems and 49 percent of performance.
• No 2 is DELL with 18 percent of systems and 15.8 percent of performance.
• Cray is third with 10 percent of systems and 13.9 percent of performance closely followed by SGI with 10 percent of systems and 8.4 percent of performance.
• HP is currently absent from the TOP50.
• 50 percent of systems are installed at research labs and 38 percent at universities.
• There is only a single system using Gigabit Ethernet in the TOP50.
• IBM’s BlueGene is the most used system family with 13 systems (26 percent).
• IBM’s Power processors are used in 46 percent of system ahead of intel processors in 40 percent and AMD in 12 percent.
• The average concurrency level is 11,300 cores per system.
• The average age of a TOP50 system is only about 1 year and 4 month. 48% have been installed or upgraded this year and 34 percent last year.