Ok Jeff, thanks very much for your support! Regards,
2012/1/31 Jeff Squyres <jsquy...@cisco.com> > On Jan 31, 2012, at 3:59 AM, Gabriele Fatigati wrote: > > > I have very interesting news. I recompiled OpenMPI 1.4.4 enabling the > memchecker. > > > > Now the warning on strcmp is disappeared also without buffers > initializations using memset! > > > > So the warning is a false positive? My simple code is safe? > > If you were using IB as the network transport, yes, it's a false positive. > > With memchecker enabled, Open MPI will *always* tell Valgrind that the > entire contents of the buffer are defined, even when the data is coming > from an OS-bypass transport (such as an OpenFabrics-based device, like IB). > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- Ing. Gabriele Fatigati HPC specialist SuperComputing Applications and Innovation Department Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatigati [AT] cineca.it
