[Swift-devel] coaster status summary

[Ian Foster]

I wonder whether we should be making use of MPI on the BG/P where we can 
... I suspect that is what is optimized, rather than the IP stack.

Mihael Hategan wrote:
> On Mon, 2008-04-07 at 07:03 +0000, Ben Clifford wrote:
>   
>> there's an interesting issue here of how much we should (in our general 
>> codebase, rather than in special customisations such as plugging in 
>> falkon) be supporting 'wierd' systems such as the BG/P which have, 
>> apparently, neither a decent shared filesystem or IP layer network fabric, 
>> vs support for more traditional clusters which seem to have both IP layer 
>> interconnect between nodes and decent shared filesystems.
>>     
>
> That is a good point. However, UDP was chosen to support systems with a
> very large number of CPUs in the first place. In other words if UDP
> won't work on BG/P, I don't see much reason for going with it.
>
>   
>
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