Topic/a2a inplace5.0 #9493
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The temporary buffer must be shifted by the true_extent on a per type basis (since the various datatypes might have different true_extent). Thanks Heiko Bauke for reporting this. Refs. open-mpi#9329 Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp> (cherry picked from commit 0041ce8)
This function can be used to compute the packed size of a datatype on a target architecture. Signed-off-by: George Bosilca <bosilca@icl.utk.edu> (cherry picked from commit 74049fc)
Dont copy the datatype into a buffer with the same extent, but instead pack it and send it to the peer as packed. Signed-off-by: George Bosilca <bosilca@icl.utk.edu> (cherry picked from commit 447b289)
Provide optimized variant for the homogeneous case. Signed-off-by: George Bosilca <bosilca@icl.utk.edu> (cherry picked from commit dc4e2ce)
Signed-off-by: George Bosilca <bosilca@icl.utk.edu> (cherry picked from commit b9012a3)
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Fixes #9329 for the 5.0