Linux powers more than 75 percent of the world's most powerful computers, according to data released yesterday in the annual "Top 500" report. Intel's Pentium 4 Xeon proved the most popular processor, followed by dual-core Opteron and EM64T (Itanium) Xeons in a dead heat for second. A PowerPC-based machine once again took top honors, however.
BM'sBluegene/L followed up its top spot last year once again leading the pack. With 131,072 embedded PowerPC processors and 32,768 GB of RAM, Bluegene/L turned in 280,600 GigaFLOPS (floating operations per second) overall, and 367,000 GigaFLOPS peak performance, on Linpack benchmark tests.

Linux Fanatic!
Alok
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