[petsc-dev] [petsc-maint #61515] data size of PETSc-dev GPU computing

[Jed Brown]

2011/1/18 Matthew Knepley <knepley at gmail.com>

> This has the EXACT PROBLEM I mailed about last time. Look at your
> file
>
>   ksp_poisson2d_256_4_with_cuda_view.txt
>
> It is only 6K. All the others are 14K. It has no information from ksp_view.
>

That is because it is not converging and was interruped.  Compare to the
smaller problem size where CUDA and non-CUDA converge identically.
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