Just a moment: i didn't compile OpenMPI with bounds checking, but only my application. Problems with OMPI compiled with bound checking remains.
2008/6/19 Jeff Squyres <jsquy...@cisco.com>: > On Jun 19, 2008, at 11:25 AM, Gabriele Fatigati wrote: > > Hi Jeff, >> i solved using Gigabit net and eth1 interface! >> >> So, there are problems beetween Infiniband and gcc with bound checking. >> > > This is probably not too surprising -- the IB driver gives back memory to > the process that didn't come from malloc or other traditional memory > allocators, and this can confuse bounds checkers, leading to false > positives. > > In the upcoming v1.3 series, we added a whole pile of stuff to handle these > kinds of false positives when running under valgrind. Just curious -- does > the gcc bounds checking stuff give you the possibility of saying "this > memory is ok"? (valgrind does; we use it for IB-driver allocated or > initialized memory) > > > -- > Jeff Squyres > Cisco Systems > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > -- Gabriele Fatigati CINECA Systems & Tecnologies Department Supercomputing Group Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatig...@cineca.it
