(j3.2006) IEEE and the GPU world
Bill Long
longb
Mon Aug 30 07:41:01 EDT 2010
Malcolm Cohen wrote:
> As for IEEE_ARITHMETIC, this being accessible (and nothing else being
> accessible) implies very little - just support for IEEE_OVERFLOW and
> IEEE_DIVIDE_BY_ZERO. That in turn only mandates detection of overflow or
> zero-divide, not whether you can do cute things with them.
>
But this "very little" is the core of the issue. GPU's, as a general
rule any by nature of their design, do not support ANY fp exceptions.
This has been the whole point of the discussion from the start.
Cheers,
Bill
--
Bill Long longb at cray.com
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