[petsc-dev] petsc-dev fails test with debugging=0

[Andrea Lani]

Sure, this is the log file for the case with KSPGMRES and PCBJACOBI on 2
GPUs.

Andrea


On Sun, Jan 19, 2014 at 10:28 PM, Jed Brown <jed at jedbrown.org> wrote:

> Andrea Lani <andrea.lani at gmail.com> writes:
>
> > Dear Devs,
> >
> > first of all, even after the latest Karl's fix, my GPU-enabled solver
> > (using PETSc's KSPGMRES and PCASM) still gives a substantially different
> > residual after one time step in 1 or more GPUs:
> >
> > +0.72 (1 GPU) against -1.00 (2-8 GPU).
> >
> > The situtation is even more dramatic for PCBJACOBI: in this case it works
> > the same on 1 GPU and crashes on more GPUs ( "Null argument, when
> expecting
> > valid pointer! [0]PETSC ERROR: Trying to zero at a null pointer!").
>
> *always* send the entire error message
>



-- 
Dr. Andrea
Lani
Senior Research Engineer, PhD
Aeronautics & Aerospace dept., CFD group
Von Karman Institute for Fluid Dynamics
Chausse de Waterloo 72,
B-1640, Rhode-Saint-Genese,  Belgium
fax  : +32-2-3599600
work : +32-2-3599769
*lani at vki.ac.be <lani at vki.ac.be>*
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