[Yt-dev] possible bug?

[Eric Hallman]

Guys,
   thanks for the help.  I was stuck on where to go next.

This is breaking in the same way in serial or parallel.  Don't know if  
that helps in diagnosing or not.  It is apparently writing the  
virial_filter.out file.

I will go back to a working version.  For sure it was working as  
recently as about a month ago.


On Apr 5, 2010, at 1:49 PM, Britton Smith wrote:

> Hi Eric,
>
> Matt's suggestion would be helpful.  If you were running the code  
> successfully at any time recently, it should be simple to track down  
> the revision where it breaks.
> Does the halo filter list actually get written out?  I assume this  
> is only hanging when running in parallel, but correct me if I'm  
> wrong on that.  Looking at the light cone and halo profiler code,  
> the function where the hang occurs is called from functions that  
> have various parallel decorators around them, which are probably  
> adding a number of barriers.
>
> Britton
>
> On Mon, Apr 5, 2010 at 11:35 AM, Matthew Turk  
> <matthewturk at gmail.com> wrote:
> Eric, if you can run "hg bisect" (see the hg book online) to  
> identify the revision this started at, that would be very handy. I  
> would start b going back only a dozen or so. Does this problem occur  
> on smaller datasets on, say your laptop or desktop?
>
>
>
>
> On Apr 5, 2010, at 10:14 AM, Eric Hallman <hallman13 at gmail.com> wrote:
>
> I am getting a hang when I run the lightcone tools on ranger, and no  
> debug info is coming out at the hang. this is in the hg version  
> (current) of yt.
>
> The routines I'm running is called test_vel_mask.py, which is  
> creating a lightcone with a halo map that includes the bulk line of  
> sight halo velocity.  It includes  a slight modification of  
> HaloMask.py to include velocities.  However, I removed my changes,  
> and ran again with the same hang. The routine below is copied nearly  
> directly from the yt docs, with minor changes.
>
> Routine is attached as test_wo_vel.py
> <test_wo_vel.py>
>
>
>
> Hang occurs with text line:
> yt.lagos   INFO       2010-04-05 12:06:15,657 Writing filtered halo  
> list to /scratch/00688/tg458377/box_size_study/50Mpc_1024/ 
> run_12_cl_5D/RD0004/virial_filter.out.
>
> traceback is attached as test_vel_traceback.out
>
> <test_vel_traceback.out>
>
>
>
>
> Thanks for any help...
>
> cheers
>
> Eric Hallman
> Google Voice: (774) 469-0278
> hallman13 at gmail.com
>
>
>
>
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Eric Hallman
Google Voice: (774) 469-0278
hallman13 at gmail.com




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