[Beowulf] Jeff Squayres MPI proposals

[Douglas Eadline]

-- snip--

> ps. I heard the 'Flock of Birds' paradigm at Fosdem for the first time. So
> you heard it from me.
>
> That's what we'll need for Exascale - a flock of compute units launched as
> a flock to work on a problem,
> but if some of the birds fall out of the air the flock continues.

Yes, failure needs to be option.

I always preferred the insect analogy or swarm intelligence. When
an ant dies, the other push it out of the way and continue, or eat it,
or feed it to the queen. Some of the best and most efficient decentralized
parallel operations can be found in those ant hills.

--
Doug

>
> Pps. Told to me by an aero engineer - when migrating birds are ont the
> wing at high altitude, in Vic formations,
> if one gets sick or tired tt will descend for a rest.
> TWO other birds go down with it, as they know it will take that amount of
> help to get back up to the flock by slipstreaming.
> Hmmm... do we need compute units to help a sick one...
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--
Doug

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