[mpich-discuss] Hydra, Runtime error

[Dave Goodell]

On Jan 26, 2011, at 9:19 AM CST, Dave Goodell wrote:

> I'll put an error check in MPI_Gatherv in order to make the error a bit easier to understand.

Actually, on second look, MPIR_Localcopy is the only sane place to check for this sort of aliasing. The displs and recvcnts arrays make any check at the gatherv layer excessively complicated.

-Dave