[Beowulf] Teraflop chip hints at the future

Greg Lindahl greg.lindahl at qlogic.com
Wed Feb 14 02:10:42 EST 2007


> That article says:
> 
>     Although the chip itself is capable of processing over one trillion
>     floating point operations per second, don't be fooled by the numbers;
>     these aren't 128-bit FP operations but rather single-precision FP
>     operations.

Yes, but x86 doesn't have 128-bit FP operations -- it does multiple
32-bit or 64-bit ops at once. So at best anandtech is being confused,
and at worst they're really confused. I've never seen anyone ever
count a group of 32-bit or 64-bit ops as 128-bit ops. And we shouldn't
start doing it, either.

-- greg
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