How does your home PC compare to these ol’ supercomputers?

IBM Cluster (arapahoe, comanche, navaho, chief): 1992–1997: 26 megaflops
CRAY 1-A: 1977–1989: 80 megaflops
CRAY X-MP/48: 1986–1990: 55 megaflops per processor (220 megaflops for the whole computer)
CRAY Y-MP8/864 (shavano): 1990–1997: 1 gigaflop
CRAY C90 (antero): 1996–1999: 5.2 gigaflops
The IBM SP RS/6000 (blackforest): 1999–2005: 237 gigaflops
IBM p690 (bluesky): 2002–present: 8.32 teraflops

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