http://www.top500.org/

I know that a few that post here (in one group, anyway) are
with IBM.

Kudos to them today.

"IBM increased its dominance in the market for supercomputers used
to solve the toughest research problems, claiming half of the
world's Top 500 supercomputers .." (possibly from another source).

"The No. 1 position was again claimed by the BlueGene/L System, a
joint development of IBM and DOE’s National Nuclear Security
Administration (NNSA) and installed at DOE’s Lawrence Livermore
National Laboratory in Livermore, Calif. BlueGene/L also occupied the
No. 1 position on the last TOP500 list issued in November 2004.
However, the system was doubled in size during the last six months and
reached a new record Linpack benchmark performance of 136.8 TFlop/s
..."

"Linux Rules Supercomputers"

"An IBM supercomputer clocked as the world's fastest has surpassed
its own speed record, the Energy Department reported Thursday."

I'm just guessing here but I doubt that the NSA's secret systems
were even considered ......
--
Cliff