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

Jed Brown jed at jedbrown.org
Sun Jan 19 15:28:15 CST 2014

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
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