(j3.2006) BEQ, BNE?

[Bill Long]

On 1/31/13 4:50 PM, Van Snyder wrote:
> On Thu, 2013-01-31 at 08:07 -0600, Bill Long wrote:

>
>> Ultimately, it is a question of where we put our efforts.  We can go to
>> lengths to accommodate extinct (for good reason) hardware failures, or
>> focus on challenges that we can be confident will be affecting
>> scientific computing in the time scale of vendor implementations of the
>> next standard.  Among those challenges, I don't see duplicate
>> representation of integer values anywhere on the horizon.
>
> Except, as Malcolm points out, they are being manufactured now.  I don't

Please site examples, along with which Fortran 2008 compiler supports 
(or might even remotely contemplate supporting) those processors.


> have as clear a crystal ball as Bill has, but I do have colleagues who
> keep close track of developments in chips with literally thousands of
> tiny processor cores.  There seem to be several new entrants into this
> game every year.  The last one they alerted me to is Altera (or is it
> Alterra?).  Who knows how many of those have (or will have) multiple
> representations of zero?
>
>

-- 
Bill Long                                           longb at cray.com
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