world's second fastest super computer
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loadrunner
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roadrunner
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bluejene/L
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jugene
B
Correct answer
Explanation
Roadrunner, built by IBM for Los Alamos National Laboratory, was a supercomputer that first broke the 1 petaflop barrier in 2008. It held the title of world's fastest supercomputer before being surpassed, making it the second fastest at certain points in the TOP500 rankings timeline. Loadrunner is a performance testing tool, BlueGene/L and JUGENE are different IBM supercomputer architectures.