Does the standard say anything about the default behavior? IIRC, we set it this
way because (a) we had no direction, and (b) it seemed just as reasonable as
the alternative (I believe we flipped a coin)
> On Jan 7, 2015, at 6:47 PM, Gilles Gouaillardet
> <gilles.gouaillar...@iferc.org> wrote:
>
> Well, per the source code, this is not a bug but a feature :
>
>
> from publish function from ompi/mca/pubsub/orte/pubsub_orte.c
>
> ompi_info_get_bool(info, "ompi_unique", &unique, &flag);
> if (0 == flag) {
> /* uniqueness not specified - overwrite by default */
> unique = false;
> }
>
> fwiw, and at first glance, i would have expected the default behaviour
> is to *not* overwrite (e.g. unique = true;).
>
> anyway, in order to get the expected result, the user program can be
> modified like this :
>
> MPI_Info info;
> MPI_Info_create(&info);
> MPI_Info_set(info, "ompi_unique", "true");
>
> and then invoke MPI_Publish_name() with info instead of MPI_INFO_NULL
>
> an updated version of the program
>
> Cheers,
>
> Gilles
>
> On 2015/01/08 10:12, Ralph Castain wrote:
>> Hmmm…I confess this API gets little, if any, testing as it is so seldom
>> used, so it is quite possible that a buglet has crept into it. I’ll take a
>> look and try to have something in 1.8.5.
>>
>> Thanks!
>> Ralph
>>
>>> On Jan 7, 2015, at 3:14 AM, Bernard Secher <bernard.sec...@cea.fr> wrote:
>>>
>>> Hello,
>>>
>>> With the version openmpi-1.4.5 I got an error when I tried to publish the
>>> same name twice with the MPI_Publish_name routine
>>> With the version openmpi-1.8.4 I got no error when I published the same
>>> name twice with the MPI_Publish_name routine
>>>
>>> I used the attached script and source code to perform the test.
>>>
>>> With this test, it works well with openmpi-1.4.5, but I get a deadlock with
>>> openmpi-1.8.4. I can suppress the deadlock with openmpi-1.8.4 if I modify
>>> the shell script and add a "sleep 1" command between the 2 mpirun commands.
>>>
>>> Bernard
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>
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