[computer-go] Pay-as-you-go cluster?

David Doshay ddoshay at mac.com
Mon Oct 2 10:32:03 PDT 2006


This is true on @home and X-grid clusters, but is not a problem on  
dedicated clusters. SlugGo uses blocking MPI calls to the child nodes  
(the code waits for all distributed jobs to return before continuing)  
and has never hung waiting for a reply.

Cheers,
David



On 2, Oct 2006, at 5:46 AM, Mark Boon wrote:

>
> On 2-okt-06, at 09:35, Darren Cook wrote:
>
>> *:asynchronously: once all leaf nodes have replied the minimax  
>> tree is made.
>
> Using a cluster is only going to work reliably if you design for  
> the possibility that a node will never reply. One way to do that is  
> assign nodes that finished already to the same task(s) of nodes  
> that didn't reply yet.
>
> Mark
>
>
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