Thank you for this explanation. I will assume that my problem here is some kind of memory corruption.
-----Original Message----- From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Tim Prince Sent: Tuesday, September 20, 2011 10:36 AM To: us...@open-mpi.org Subject: Re: [OMPI users] EXTERNAL: Re: How could OpenMPI (or MVAPICH) affect floating-point results? On 9/20/2011 10:50 AM, Blosch, Edwin L wrote: > It appears to be a side effect of linkage that is able to change a > compute-only routine's answers. > > I have assumed that max/sqrt/tiny/abs might be replaced, but some other kind > of corruption may be going on. > Those intrinsics have direct instruction set translations which shouldn't vary from -O1 on up nor with linkage options nor be affected by MPI or insertion of WRITEs. -- Tim Prince _______________________________________________ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users
