[yt-users] EnzoDatasetInMemory not working in parallel

Matthew Turk matthewturk at gmail.com
Mon Jul 13 05:51:52 PDT 2015


Hi Britton,

What looks suspicious to me is the way it's using grid.id.  This might
lead to an off-by-one error.  Can you try it with
grid.id-grid._id_offset and see if that clears it up?

On Mon, Jul 13, 2015 at 7:42 AM, Britton Smith <brittonsmith at gmail.com> wrote:
> Hi all,
>
> I've recently been trying to use yt's inline analysis functionality with
> Enzo and am having some difficultly getting it to work in parallel.  I am
> using the development tip of yt.  In serial, everything works fine, but in
> parallel, I get the following error:
> http://paste.yt-project.org/show/5694/
>
> It seems that the issue is that yt is not correctly identifying which grids
> are available on a given processory for the EnzoDatasetInMemory object.
> Does anyone have an idea of how to fix this?  Has anyone else seen this?
>
> For reference, my user_script is just this:
>
> import yt
> from yt.frontends.enzo.api import EnzoDatasetInMemory
>
> def main():
>     ds = EnzoDatasetInMemory()
>     ad = ds.all_data()
>     print ad.quantities.total_quantity("cell_mass")
>
> Thanks for any help,
>
> Britton
>
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