When did you tested last? I have no idea what is broken so it is difficult to assess the complexity of the fix. Let’s try to find the last working “version” and then run a dihcotomic test to find the culprit (with s hopefully).
George. On Apr 28, 2014, at 09:05 , Ralph Castain <r...@open-mpi.org> wrote: > No, it looks like something has broken it since I last tested. Sorry about > the confusion. > > On Apr 27, 2014, at 10:55 PM, Gilles Gouaillardet > <gilles.gouaillar...@iferc.org> wrote: > >> I might have misunderstood Jeff's comment : >> >>> The broken part(s) is(are) likely somewhere in the datatype and/or PML code >>> (my guess). Keep in mind that my only testing of this feature is in >>> *homogeneous* mode -- i.e., I compile with --enable-heterogeneous and then >>> run tests on homogeneous machines. Meaning: it's not only broken for >>> actual heterogeneity, it's also broken in the "unity"/homogeneous case. >> >> Unfortunatly, a trivial send/recv can hang in this case >> (--enable-heterogeneous and homogenous cluster of little endian procs). >> >> i opened #4568 https://svn.open-mpi.org/trac/ompi/ticket/4568 in order to >> track this issue >> (uninitialized data can cause a hang with this config) >> >> trunk is affected, v1.8 is very likely affected too >> >> Gilles >> >> On 2014/04/28 12:22, Ralph Castain wrote: >>> I think you misunderstood his comment. It works fine on a homogeneous >>> cluster, even with --enable-hetero. I've run it that way on my cluster. >>> >>> On Apr 27, 2014, at 7:50 PM, Gilles Gouaillardet >>> <gilles.gouaillar...@iferc.org> wrote: >>> >>>> According to Jeff's comment, OpenMPI compiled with >>>> --enable-heterogeneous is broken even in an homogeneous cluster. >>>> >>>> as a first step, MTT could be ran with OpenMPI compiled with >>>> --enable-heterogenous and running on an homogeneous cluster >>>> (ideally on both little and big endian) in order to identify and fix the >>>> bug/regression. >>>> /* this build is currently disabled in the MTT config of the >>>> cisco-community cluster */ >>>> >>>> Gilles >>>> >> >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel >> Link to this post: >> http://www.open-mpi.org/community/lists/devel/2014/04/14624.php > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/04/14625.php
