[Dune] [#497] Parallel ISTL solvers broken for OpenMPI

Dune dune at dune-project.org
Fri Feb 13 17:49:56 CET 2009


A new Flyspray task has been opened.  Details are below. 

User who did this - Markus Blatt (mblatt) 

Attached to Project - Dune
Summary - Parallel ISTL solvers broken for OpenMPI
Task Type - Bug Report
Category - ISTL
Status - New
Assigned To - Markus Blatt
Operating System - Unspecified / All
Severity - Low
Priority - Normal
Reported Version - SVN
Due in Version - Undecided
Due Date - Undecided
Details - It seems like openmpi has problems receiving cascaded derived data types where the inner (custom datatype) has an entry that is not send at the beginning (i.e. a hole). At least on the receiving side the hole is ignored and the data is stored with offset 0.

It works as expected for lam and mpich.

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