[yt-users] memory usage of HOP halo finder
Michael Kuhlen
mqk at astro.berkeley.edu
Wed Feb 22 17:32:51 PST 2012
Hi Stephen
Yes, that does the trick. However,
self._data_source.quantities["TotalQuantity"]("ParticleMassMsun")
returns a list, so I needed to add a '[0]' in order to get just the
number.
It's not immediately clear to me how to implement this fix for the
dm_only=True case, in which you only want the sum over DM particles.
Lastly, does the sub_mass calculation have to be done even when
subvolume is None and only a single processor is being used? It seems
in this case sub_mass = total_mass and the second calculation could be
skipped.
Thanks for your help!
Mike
On Wed, Feb 22, 2012 at 4:12 PM, Stephen Skory <s at skory.us> wrote:
> Mike,
>
> sorry to reply so quickly to my email, but I realized I could have
> been clearer. Please replace:
>
> self._data_source["ParticleMassMsun"].sum(dtype='float64')
>
> with
>
> self._data_source.quantities["TotalQuantity"]("ParticleMassMsun")
>
> in both cases.
> --
> Stephen Skory
> s at skory.us
> http://stephenskory.com/
> 510.621.3687 (google voice)
> _______________________________________________
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