There seems to be an opportunity to still have heterogeneous environment in the future. http://www.enterprisetech.com/2014/04/23/ibm-google-show-power8-systems-openpower-efforts/
I don’t think it is fair to shift the burden on the original developer instead of the committer who broke a feature. George. On Apr 23, 2014, at 09:49 , Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > WHAT: Remove data-heterogeneous support from Open MPI > > WHY: No one uses it (it's not the default), it's broken (probably has been > for a while) > > WHERE: Datatype engine, some configury, and a few other places > > TIMEOUT: Tuesday teleconf, 6 May 2014 (i.e., 2 weeks from now) > > MORE DETAIL: > > It recently came to my attention that we seem to have some bit rot in the > heterogeneous data representation support such that if you configure with > --enable-heterogeneous, even if you run on homogeneous machines, you can get > segv's with tcp,sm,self. > > The heterogeneous support has never been enabled by default. AFAIK, only > Cisco tests it regularly in its MTT. I'm be greatly surprised if many (any?) > users use it at all. > > So I have to ask myself: why do we keep this functionality around? It seems > like we should delete this code, simplify things a little, and move on. > > Comments? > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > 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/2014/04/14584.php