[petsc-users] On "very poor scalability" on multicore architectures

[Matthew Knepley]

On Thu, Sep 26, 2013 at 5:52 AM, John Fettig <john.fettig at gmail.com> wrote:

> http://onlinelibrary.wiley.com/doi/10.1002/fld.3827/abstract
>
> They do shift the point where strong scalability breaks down, which is
> notable, but their claim that "employing PETSc in its elemental form for
> high performance computing (HPC) applications would yield very poor
> scalability" seems exaggerated to put it politely.
>
> Is there anything we can take away from this paper?
>

I think I would have to get out my novelty microscope.

  Matt


> Regards,
> John
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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