Statistics

Charts

Think of the tremendous human tragedy of time and energy a lot of scientists have lost trying to use MP machines.

Henry Burkhardt, KSR

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.