The semi-annual Top500 list of the world’s most powerful supercomputers was released on Nov. 12, with the U.S holding down the top two spots overall.
The IBM POWER9 based Summit system has retained its crown that it first achieved in the June 2018 ranking. Summit is installed at the U.S. Department of Energy’s Oak Ridge National Laboratory and now has performance of 143.5 petaflops per second, up from the 122.3 petaflops the system had when it first came online.
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