Yes, you will have problems.
We did not formally introduce ABI compatibility until version 1.3.2. Meaning: your application compiled with 1.3.2 will successfully link/run against any 1.3.x version >= 1.3.2, and against any 1.4.x version.
v1.5 broke ABI with the v1.3/v1.4 series, but it will also be stable for the duration of the v1.5/v1.6 series.
We have no definite plans yet for v1.7, but it is likely that the ABI story will be the same there, too -- break from v1.5/v1.6 and stable for v1.7/v1.8.
On Mar 1, 2011, at 11:25 AM, Blosch, Edwin L wrote:
> If I compile against OpenMPI 1.2.8, shared linkage, on one system, then move the executable to another system with OpenMPI 1.4.x or 1.5.x, will I have any problems running the executable?
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