[Halld-offline] Fwd: 100x Slower MC Generation With version_4.0.0 Software

Fri Jan 25 16:26:55 EST 2019

Hello Jon,

There is nothing at the moment. This is a good question to the offline
software group. One idea might be for the master branch of hdds to contain
the latest image of the detector, and then have various other named
branches for earlier run periods, like spring_2017, fall_2018 and the like.
How does that sound to you? Of course, David's solution where he builds the
hdgeant geometry dynamically at runtime from sources in ccdb would be the
most flexible, and would make these special branches unnecessary.

-Richard

On Fri, Jan 25, 2019 at 4:20 PM Jonathan Zarling <jzarling at iu.edu> wrote:

> Ah ok, got it. So the hdds geometry includes the dirc regardless of run
> number? Is there any documentation you can point me to for the various use
> cases at present for hdgeant/hdgeant4 with this latest software?
>
> Jon
>
> On Fri, Jan 25, 2019 at 4:08 PM Richard Jones <rjones30 at gmail.com> wrote:
>
>> Hello Jon,
>>
>> Can you switch to using ccdb as your source for the geometry? The hdds
>> text-file geometry now has the dirc in it, and I don't think that is what
>> you want. For now and all times future, you want to use the run-dependent
>> geometry from the ccdb, rather than the latest image from hdds, unless you
>> have created your own private hdds branch for some study you are working on
>> with a custom geometry.
>>
>> To use hdgeant (not hdgeant4) with ccdb geometry takes a bit of work at
>> present, but at one point Dave Lawrence was working on a system for use
>> with hdgeant that would dynamically compile and link the geometry package
>> from the sources in ccdb at runtime, without having to extract the xml
>> files by hand for the desired run number and build a custom hdgeant for a
>> given run. I have cc'ed Dave on this email, as he might be able to update
>> us on the status of that work. Dave, did that effort ever materialize?
>>
>> -Richard
>>
>> On Fri, Jan 25, 2019 at 3:53 PM Jonathan Zarling <jzarling at iu.edu> wrote:
>>
>>> Hi Richard et al,
>>>
>>> Looks like I am using the path $GLUEX_TOP/hdds/hdds-4.0.0/main_HDDS.xml
>>> for $JANA_GEOMETRY_URL. I'm using run number 30300 as a test case.
>>>
>>>
>>> Jon
>>>
>>> On Thu, Jan 24, 2019 at 5:20 PM Richard Jones <rjones30 at gmail.com>
>>> wrote:
>>>
>>>> Hello Jon,
>>>>
>>>> What is your value of JANA_GEOMETRY_URL? What is your simulation run
>>>> number?
>>>>
>>>> -Richard Jones
>>>>
>>>> On Thu, Jan 24, 2019 at 4:48 PM Jonathan Zarling <jzarling at iu.edu>
>>>> wrote:
>>>>
>>>>> Hey gang,
>>>>>
>>>>> My MC jobs that I run locally at IU have gone from 5 minutes to run to
>>>>> 10 hours when using software version "version_4.0.0". I'm running geant3.
>>>>> Has anyone else tried working with this build yet?
>>>>>
>>>>> Possibly also related: during the geant step I get many warning
>>>>> messages of the form: "Warning in savehits: unsaved hit information found
>>>>> from sensitive volume XXXX, hit discarded". These blow up my logfiles to
>>>>> ~hundreds of megabytes.
>>>>>
>>>>> I tried running with version_3.8 and version_3.9 too. These ran fast
>>>>> and didn't produce the same warning messages.
>>>>>
>>>>> I experience this both with a photon gun and an omega->3pi simulation.
>>>>>
>>>>> Cheers,
>>>>> Jon
>>>>>
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