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Article

Title: Keeping Things Cool

Author: Ferguson, Scott Article Type: Product Analysis
Source: eWeek, v25 n12 p15(1) Publication Date: Apr 14, 2008
  ISSN: 1530-6283
URL of Publication: http://www.eweek.com

With IBM's new Power 575 supercomputing system, water-based cooling solutions are making a comeback. In the past two years, several systems makers have looked to new liquid cooling systems as a way of offsetting rising data center temperatures caused by both increasing density within computing facilities and more powerful processors. Unveiled on April 8, the Power 575 boasts a clock speed of 4.7 GHz and 448 processing cores on a single rack, which required a new cooling system. Since it has a grid overlay, IBM engineers placed water-chilled copper plates above each processor. According to analyst Joe Clabby, water is three times as powerful as air in removing heat from either a single system or an entire data center. Further advances in water-cooling systems are expected, as IBM officials expect someday to embed one within an individual chip. The Power 575 system contains a series of racks, each with 14 nodes. Each node runs at 600 teraflops, and each rack comes with 3.5 terabytes of memory. The system will be available in May with either IBM's own AIX operating system or Linux, and is a significant factor in IBM's success in supercomputing. It currently ranks number one on the Top 500 list with its Blue Gene/L system at the Lawrence Livermore National Laboratory, which runs at 478.2 trillion floating point calculations per second.

Companies:
IBM Corp Lawrence Livermore National Laboratory (LLNL)

Products:
AIX Blue Gene/L
POWER

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