According to Top500.org, IBM Roadrunner is still the fastest supercomputer in the world, but Cray's Jaguar is catching up fast.
The competition has been hyped up in light of the recent SC08 supercomputing exhibition being held in Austin, Texas.
Earlier this year, Roadrunner was the first computer to surpass the petaflop barrier, but Jaguar has now joined the elite ranks. This means both computers can process over a million billion instructions per second.
The Roadrunner clocks in at 1.105 teraflops with its computational muscle a combination of IBM Cell and AMD Opteron technology.
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