Notes of a word-watcher, Hanching Chung. A first port of call for English learning.
By breaking the petaflop barrier sooner than had been generally expected, the United States’ supercomputer industry has been able to sustain a pace of continuous performance increases, improving a thousandfold in processing power in 11 years. The next thousandfold goal is the exaflop, which is a quintillion calculations per second, followed by the zettaflop, the yottaflop and the xeraflop.
A word element used in naming units of measurement to designate a quantity 1015 (a thousand-million-million) times the unit to which it is joined. Symbol P.