The machine has become the first academic system to surpass a quadrillion floating-point operations per second, or one petaFLOPS. The upgrade also puts the Kraken among the top five supercomputers in the world. The system came online on 5th October with a peak performance of 1.03 petaFLOPS. It features more than 16,000 six-core 2.6-GHz AMD Istanbul processors with nearly 100,000 compute cores.