Riken’s Shoubu Supercomputer Leads Green500 List

Today the Green500 released their listing of the world’s most energy efficient supercomputers. “Japan’s research institution RIKEN once again captured the top spot with its Shoubu supercomputer. With rating of 6673.84 MFLOPS/Watt, Shoubu edged out another RIKEN system, Satsuki, the number 2 system that delivered 6195.22 MFLOPS/Watt. Both are “ZettaScaler”supercomputers, employing Intel Xeon processors and PEZY-SCnp manycore accelerators.