The US Department of Energy’s Oak Ridge National Laboratory (ORNL) has unveiled Summit as the world’s most powerful and smartest scientific supercomputer.   With a peak performance of 200,000 trillion calculations per second—or 200 petaflops, Summit will be eight times more powerful than ORNL’s previous top-ranked system, Titan. For certain scientific applications, Summit will also be capable of more than three billion billion mixed precision calculations per second, or 3.3 exaops.   Summit ...