Cray's Jaguar tops IBM's Roadrunner as fast computer in world
Here's some from the announcement by the bi-annual Top500 Conference. I should have more on this later:
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In its
third run to knock the IBM supercomputer nicknamed “Roadrunner” off the
top perch on the TOP500 list of supercomputers, the Cray XT5
supercomputer known as Jaguar finally claimed the top spot on the 34th
edition of the closely watched list.
The newest version of the TOP500 list, which is issued twice yearly,
will be formally presented on Tuesday, Nov. 17, at the SC09 Conference
to be held at the Oregon Convention Center in Portland.
Jaguar, which is located at the Department of Energy’s Oak Ridge
Leadership Computing Facility and was upgraded earlier this year,
posted a 1.75 petaflop/s performance speed running the Linpack
benchmark.
When the Roadrunner system at Los Alamos first appeared at the top of
the June 2008 TOP500 list, it was the world’s first petaflop/s
supercomputer. This time around, Roadrunner recorded a performance of
1.04 petaflops, dropping from 1.105 petaflop/s in June 2009 due to a
repartitioning of the system.
Kraken, another upgraded Cray XT5 system at the National Institute
for Computational Sciences/University of Tennessee, claimed the No. 3
position with a performance of 832 teraflop/s (trillions of
calculations per second).
At No. 4 is the most powerful system outside the U.S. -- an IBM
BlueGene/P supercomputer located at the Forschungszentrum Juelich (FZJ)
in Germany. It achieved 825.5 teraflop/s on the Linpack benchmark and
was No. 3 in June 2009.
- IBM and Hewlett-Packard continue to sell the bulk of systems at all performance levels of the TOP500. HP kept a narrow lead in systems with 210 systems (42 percent) over IBM with 186 systems (37.2 percent). HP had 212 systems (42.4 percent) six months ago, compared to IBM with 188 systems (37.6 percent). In the system category, Cray, SGI, and Dell follow with 3.8 percent, 3.8 percent and 3.2 percent respectively.
- IBM remains the clear leader in the TOP500 list in performance with 35.1 percent of installed total performance (down from 39.4 percent), compared to HP with 23.0 percent (down from 25.1 percent). In the performance category, the manufacturers with more than 5 percent are: Cray (15.9 percent of performance) and SGI (6.6 percent), each of which benefits from large systems in the TOP10.

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