<unit> 10^15 flops or 1000 teraflops.
As with flops, the term ends in S in both the singular and plural as the S stands for seconds.
The first computer to perform one petaflops was recorded in June 2008. By June 2012 there were 20.
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Nearby terms: pessimising compiler « peta- « petabyte « petaflops » petdingo » Peter Chen » Petri net