On 05/29/2010 06:24 AM, Underwood, Keith D wrote:

1) Ordering: a) Ordered from a given source to a given address on a given target (unordered otherwise), or b) completely unordered

My understanding was that we were providing both 1a and 1b. Or rather, MPI-2 already gives 1b, and we are proposing 1a together with it (not instead of it). -- Pavan -- Pavan Balaji http://www.mcs.anl.gov/~balaji