The Big Think

May 14, 2013

Q-Bits

Filed under: Computing — jasony @ 10:47 am

D-Wave quantum computer matches the tenth ranked supercomputer for speed: “How did the D-Wave computer do on the tests? On the largest problem sizes tested, the V5 chip found optimal solutions in less than half a second, while the best classical software solver required 30 minutes to find those same solutions. This makes the D-Wave computer over 3,600 times faster than the classical computer in these tests. This puts the effective speed of the D-Wave quantum computer on this class of problems at roughly the same as the tenth ranked supercomputer in the world as per the November 2012 Top500 list – the IBM/DARPS Trial Subset, with 63,360 64-bit cores that produce a maximum floating point performance of 1.5 petaFlops. The comparison shouldn’t be taken too seriously, but suggests that the 439 qubits of the D-Wave computer can solve such problems as quickly as do huge massively parallel supercomputers.”

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