'Frontier', a supercomputer built by Hewlett Packard Enterprise (HPE), has been ranked the world's fastest, according to the TOP500 list. The supercomputer overtook Japan's 'Fugaku', which has topped the TOP500 list for the last two years. Further, 'Frontier' has reached 1.1 exaflops, making it the world's first supercomputer to break the exascale speed barrier, TOP500 said.