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IBM Blue Gene Supercomputers Top New List of Energy-Efficient Systems

Green500 List Awards Blue Gene 26 of the Top 27 Spots

ARMONK, NY - 21 Nov 2007: The world's most powerful line of supercomputers -- IBM's (NYSE: IBM) Blue Gene family -- is by far the most energy-efficient, according to a new ranking of the TOP500 computers.

The inaugural Green500 list (www.green500.org) ranks by energy efficiency the machines that make the overall TOP500 list of the world's fastest computers. The new Green500 list shows IBM Blue Gene supercomputers capturing 26 of the top 27 spots.

The Green500 list is overseen by two professors at Virginia Tech, Kirk Cameron and Wu Feng. "The Green500 List is intended to serve as a ranking of the most energy-efficient supercomputers in the world and as a complementary view to the Top500 List," Feng said in a press release.

IBM supercomputers also led on the recently-released TOP500 Supercomputer Sites list, which ranks the world's most powerful supercomputers. According to the TOP500 list, the IBM Blue Gene/L at Lawrence Livermore National Laboratory is the world's fastest supercomputer, capable of delivering a sustained performance of 478 trillion calculations per second (478 "teraflops"). IBM also placed a total of 232 supercomputers on the list, the most of any vendor.

About Blue Gene
Based on IBM's POWER Architecture, the IBM System Blue Gene Solution is optimized for bandwidth, scalability and the ability to handle large amounts of data while consuming a fraction of the power and floor space required by today's fastest systems. A variety of industries are using Blue Gene systems to advance their research capabilities for life sciences, financial modeling, hydrodynamics, quantum chemistry, molecular dynamics, astronomy and space research and climate modeling.

For more information, go to: http://www-03.ibm.com/servers/deepcomputing/bluegene.html

For more information about the TOP500 list, go to http://www.top500.org/

Contact(s) information

John Buscemi
IBM Media Relations
914-766-4495
jbuscemi@us.ibm.com

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