[Halld-offline] proposal for data challenge details

[David Lawrence]

Hi Paul,

   This is hard coded in 
sim-recon/src/programs/Simulation/bggen/code/bg_hddm.c in
the write_hddm_event_(...) routine. It looks like the default is "2".

Regards,
-David

On 11/28/12 10:57 AM, Paul Mattione wrote:
> Does anyone know how to set the run number for data generated by bggen?
>
>   - Paul
>
> On Nov 26, 2012, at 4:33 PM, Mark M. Ito wrote:
>
>> We discussed some details of the data challenge configuration at the
>> last meeting. See
>>
>>
>> https://halldweb1.jlab.org/wiki/index.php/GlueX_Data_Challenge_Meeting,_November_19,_2012#Data_Challenge_Configuration
>>
>>
>> We agreed that I would send out a proposal for some of the specific
>> choices. Here they are including the choices we made at the meeting.
>>
>> = 1. run numbers =
>>
>> All runs will be run 9000.
>>
>> = 2. random number seeds =
>>
>> The trick here is to insure that the we do not repeat any random
>> sequences in any of the jobs across all sites. The proposal is
>>
>> a) Use the file number to seed bggen (See definition of file number below.)
>> b) Do not explicitly seed hdgeant.
>> c) Do not explicity seed mcsmear.
>>
>> = 3. file naming convention =
>>
>> a) for the rest format data: rest_<filenumber>.hddm
>> b) for the monitoring histograms: hdroot_<filenumber>.root
>>
>> where <filenumber> is an incrementing six digit integer, padded on the
>> left with zeros, with an initial value specific to the site:
>>
>> grid: 000001
>> cmu: 100001
>> jlab: 200001
>>
>> Jobs and filenumbers are in one-to-one correspondence.
>>
>> = 4. events per file =
>>
>> 200,000
>>
>> chosen to take about one day at JLab
>>
>> = 5. CKOV in control.in =
>>
>> CKOV should not appear in control.in.
>>
>> -- 
>> Mark M. Ito
>> Jefferson Lab
>> marki at jlab.org
>> (757)269-5295
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>
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