On Thu, 2009-06-04 at 14:54 +1000, Lars Andersson wrote:
> Hi Gus,
> 
> Thanks for the suggestion. I've been thinking along those lines, but
> it seems to have drawbacks. Consider the following MPI conversation:
> 
> Time            NODE 1                      NODE 2
> 0                local work                   local work
> 1                post n-b recv              local work
> 2                local work                   post n-b send
> 3                complete recv in 1     local work

Its been awhile since i did mpi programming but...
why not just post a n-b recv for the header too?
just tag it correctly.

-- 
Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet: a...@hpc2n.umu.se   Phone: +46 90 7866134 Fax: +46 90 7866126
Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se

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