Andrea Lani <[email protected]> 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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