Have you opened a bug report on github? Typically you will get much better 
turnaround on issues when reported there. I, for one, don’t have time to check 
the mailing list for bugs but I do regularly check the bug tracker. Assign the 
bug to me when it is open.

-Nathan

> On Dec 4, 2017, at 9:32 AM, Philip Blakely <pmblak...@gmail.com> wrote:
> 
> Hello,
> 
> Just following up on this from a few weeks ago since no one seems to
> have responded. Does anyone have any suggestions as to whether this is
> a genuine memory leak with OpenMPI or some other kind of problem I
> need to debug?
> 
> For more real-world context: this was triggered by a CFD code we use
> in our research group, which uses the Boost MPI library. As part of
> its serialization of std::vectors, Boost makes use of MPI_Alloc_mem
> (balanced by MPI_Free_mem, as in the example I gave), and this appears
> to be the cause of a memory leak which eventually results in some of
> our simulations crashing due to lack of memory. So, there's no obvious
> way I can work around this without replacing a lot of Boost code by a
> hand-coded equivalent.
> 
> Any suggestions welcome.
> 
> Thanks,
> 
> Philip
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