[Users] GW150914 - error while running simulation

Mon Oct 11 15:36:01 CDT 2021

Krishiv

Unfortunately I don't know what causes this error message; I am not
familiar with this tool. I'm sure someone else here on the mailing list
knows!

-erik

On Mon, Oct 11, 2021 at 3:30 AM Krishiv Bhatia <flyingunicorns5724 at gmail.com>
wrote:

> Hello Dr. Schnetter,
>
> I also ran trajectories and waveforms.  While trajectories ran
> successfully and gave the snip below, waveform gave the following error:
>
> $  python3 waveform.py --datadir ~/simulations/GW150914_30/
>
> Adm Mass: 0.989937
>
> Radius: 500.0
>
> Traceback (most recent call last):
>
>   File "/Users/<userdir>/simulations/Misc/waveform.py", line 144, in
> <module>
>
>     strain = detector.get_strain_lm(
>
>   File
> "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/kuibit/cactus_waves.py",
> line 247, in get_strain_lm
>
>     raise ValueError("pcut too large for timeseries")
>
> ValueError: pcut too large for timeseries
>
> [image: image.png]
>
> On Sun, Oct 10, 2021 at 11:54 PM Krishiv Bhatia <
> flyingunicorns5724 at gmail.com> wrote:
>
>> Hello Dr. Schnetter,
>>
>> My 12 hr simulation just now finished. Yes, as can be noted from the
>> first snip, they did not go very far yet.
>> The second and third snips, which plot the trajectory of the 2 BHs
>> individually, do show they going in a circular path.
>>
>> gnuplot> plot 'puncturetracker-pt_loc..asc' u 23:33 title "BH 1",
>> 'puncturetracker-pt_loc..asc' u 24:34 title "BH 2";
>> [image: image.png]
>>
>> gnuplot> plot 'puncturetracker-pt_loc..asc' u 23:33 title "BH 1"
>> [image: image.png]
>>
>> gnuplot> plot 'puncturetracker-pt_loc..asc' u 24:34 title "BH 2";
>> [image: image.png]
>>
>>
>> On Sun, Oct 10, 2021 at 6:14 PM Krishiv Bhatia <
>> flyingunicorns5724 at gmail.com> wrote:
>>
>>> Thanks Dr. Schnetter.  I really value your time.
>>>
>>> Good to know I am on the right path. I am not running on a cluster. It
>>> is my local mac.
>>>
>>> I am also running a simulation for 10 hrs and then will run for more
>>> time. I will update you with the results.
>>>
>>> - Krishiv
>>>
>>> On Sun, Oct 10, 2021 at 4:55 PM Erik Schnetter <schnetter at cct.lsu.edu>
>>> wrote:
>>>
>>>> Congratulations! These are the two black holes moving counterclockwise
>>>> in the x-y plane. If you use an aspect ratio of 1:1, then you'll see that
>>>> they haven't actually moved very far yet. You also see that the black holes
>>>> start at rest (in terms of coordinate speed) because the gauge conditions
>>>> in the initial conditions is suboptimal in puncture initial conditions. If
>>>> you zoom in onto one of the black holes you'll see that they don't move in
>>>> straight lines, but rather on a circle with a radius of about 6.
>>>>
>>>> You should, of course, be able to run this setup on 128 cores instead
>>>> of just 8, where it would run faster. This is likely a problem with either
>>>> you *.ini, *.sub, or *.run file. If you tell us more about your cluster
>>>> (maybe point to its documentation) and share the respective Simfactory
>>>> files, then we might be able to help out. Unfortunately, many HPC systems
>>>> are designed to be different in their details from other systems, and thus
>>>> setting up correct Simfactory files for a new cluster is difficult. (As
>>>> you've noticed.)
>>>>
>>>> -erik
>>>>
>>>>
>>>> On Sun, Oct 10, 2021 at 3:58 PM Krishiv Bhatia <
>>>> flyingunicorns5724 at gmail.com> wrote:
>>>>
>>>>> In Jupyter, it crashed.   But it ran on my mac. I ran it for 6 hrs.
>>>>> Got this:
>>>>>
>>>>> > plot 'puncturetracker-pt_loc..asc' u 23:33 title "BH 1",
>>>>> 'puncturetracker-pt_loc..asc' u 24:34 title "BH 2";
>>>>>
>>>>> [image: image.png]
>>>>>
>>>>> On Sat, Oct 9, 2021 at 3:46 PM Krishiv Bhatia <
>>>>> flyingunicorns5724 at gmail.com> wrote:
>>>>>
>>>>>> Ah... it is working with procs = 8 instead of 128.
>>>>>> 16 * 8 = 128.  Seems to equate to node = 1
>>>>>> [image: image.png]
>>>>>>
>>>>>> On Sat, Oct 9, 2021 at 1:15 PM Krishiv Bhatia <
>>>>>> flyingunicorns5724 at gmail.com> wrote:
>>>>>>
>>>>>>> In the below mail, the first execution is in:
>>>>>>>
>>>>>>> https://etk.cct.lsu.edu/user/flyingunicorns5724/notebooks/GW150914.ipynb
>>>>>>>
>>>>>>> while the second execution is in my local mac.
>>>>>>>
>>>>>>> - Krishiv
>>>>>>>
>>>>>>> On Sat, Oct 9, 2021 at 1:08 PM Krishiv Bhatia <
>>>>>>> flyingunicorns5724 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I was running the commands in the following tutorial:
>>>>>>>>     http://einsteintoolkit.org/gallery/bbh/cr.html
>>>>>>>>
>>>>>>>> and got the following error message by running the below command.
>>>>>>>>
>>>>>>>> Will appreciate your help.
>>>>>>>>
>>>>>>>> [image: image.png]
>>>>>>>>
>>>>>>>> $ simfactory/bin/sim create-submit GW150914_28 --define N 28
>>>>>>>> --parfile par/GW150914/GW150914.rpar --procs 128 --walltime 24:00:00
>>>>>>>>
>>>>>>>>
>>>>>>>> Assigned restart id: 0
>>>>>>>>
>>>>>>>> Error: Too many nodes specified: nodes=16 (maxnodes is 1)
>>>>>>>>
>>>>>>>> Aborting Simfactory.
>>>>>>>>
>>>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at einsteintoolkit.org
>>>>> http://lists.einsteintoolkit.org/mailman/listinfo/users
>>>>>
>>>>
>>>>
>>>> --
>>>> Erik Schnetter <schnetter at cct.lsu.edu>
>>>> http://www.perimeterinstitute.ca/personal/eschnetter/
>>>>
>>>>

-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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