[yt-users] Interpreting parallel HOP catalog results

[Geoffrey So]

I do not see that behavior with our 3200 cube
# HALOS FOUND WITH parallelHOP
# Group Mass    # part  max densx y z center-of-mass  x y z vx vy vz max_r
  rms_v
         0 7.852551186e+10     165617 6.289924705e+04 1.950768182e-01
2.479480835e-01 5.948474845e-03 1.955727732e-01 2.468517814e-01
5.880637023e-03 2.218464643e+06 -5.742654937e+06      $
         1 5.002737525e+10     105512 3.165661688e+04 2.090002277e-01
2.026434480e-01 9.528923739e-02 2.072969538e-01 2.002595961e-01
9.554191937e-02 1.606371469e+07 -6.538151030e+06      $
         2 4.400438500e+10      92809 3.763370549e+04 1.375603375e-01
3.541161204e-02 2.095997490e-01 1.378184592e-01 3.519331354e-02
2.090839927e-01 1.299454871e+07 -1.614805652e+07      $
         3 4.092485089e+10      86314 2.405425528e+04 1.289283008e-02
5.069768798e-02 1.485273364e-01 1.163554330e-02 5.044038662e-02
1.479891274e-01 9.238305086e+05 -1.653865642e+07

From
G.S.

On Thu, May 3, 2012 at 11:02 AM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi Stephen,
>
> On Thu, May 3, 2012 at 2:00 PM, Stephen Skory <s at skory.us> wrote:
> > Hi Matt,
> >
> >> What I think is odd is that the first set of spatial coordinates are
> >> the same for all the halos.  Is that desired behavior?
> >
> > Yeah, that's clearly not desired behavior! What's happened, but I
> > don't quite know why, is that each halo is being given the same
> > particle as its maximum density location. Does parallel/serial change
> > this behavior? I'm guessing I can't diagnose this remotely, is your
> > dataset a reasonable size?
>
> It's 512^3 and it lives in the ominously-named "phase1" space on
> Trestles/Triton.  You can find it under nibblonia/ic.enzo_512 if you
> are interested.  I haven't been able to run it in serial,
> unfortunately.  Have you run any catalogs lately, to see if this
> happens in smaller sets?
>
> -Matt
>
> >
> > --
> > Stephen Skory
> > s at skory.us
> > http://stephenskory.com/
> > 510.621.3687 (google voice)
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
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