Charm++ parallel programming system

["Kale, Laxmikant V" <kale AT illinois.edu>]

I don't think anything ensures they are received on processors in the same
order, but the array manager buffers them to ensure in order  delivery.
(just stating what I think happens.. Not based on the knowledge of current
codebase).

-- 
-- 
Laxmikant (Sanjay) Kale         http://charm.cs.uiuc.edu
<http://charm.cs.uiuc.edu/>
Professor, Computer Science     
kale AT illinois.edu
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On 7/2/13 3:50 PM, "Phil Miller" 
<mille121 AT illinois.edu>
 wrote:

>I see explicit machinery in the implementation of chare arrays to
>ensure that all broadcasts are reflected off of a 'serializer' PE,
>putting their transmission from that PE in a particular order.
>However, I can't find what guarantees that all PEs receive the
>broadcasts (CkArray::recvBroadcast()) in that same order.
>
>Given that the array implementation assumes ordered receipt of
>broadcasts and numbers them locally for delivery to array elements, I
>figure that means that the group-level broadcasts must happen in
>order. Can someone please point me to where that order is imposed or
>enforced?
>
>Thanks,
>
>Phil
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