"Even as Silicon Graphics Inc.
trumpeted on Tuesday a new speed
record with the Columbia supercomputer it built for NASA, CNET
News.com has learned, it quietly submitted another, faster result:
51.9 trillion calculations per second.

"During the unveiling of the Columbia supercomputer, SGI touted a
speed of 42.7 trillion calculations per second, or 42.7 teraflops.

That handily beat the machine at the top of a list of the world's
500 fastest machines, NEC's Earth Simulator at 35.9 teraflops, as
well as a top challenger, IBM's Blue Gene/L at 36.0 teraflops..."