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IDProjectCategoryView StatusDate SubmittedLast Update
0000183Hall D OfflineGeneralpublic2011-12-20 09:422012-01-30 11:39
Reporterdavidl 
Assigned Todavidl 
PrioritynormalSeverityminorReproducibilityN/A
StatusresolvedResolutionfixed 
PlatformOSOS Version
Summary0000183: Store/recall random number seeds in hdgeant/mcsmear
DescriptionA common debugging tool is to record the random number seeds for every simulated event so that a specific event may be re-simulated without having to re-simulate all prior events in the file. This functionality was discussed at a recent offline meeting and it was decided it should be added to hdgeant and mcsmear.
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-  Notes
(0000231)
davidl (administrator)
2011-12-20 09:47

Functionality was added to HDDM and hdgeant with revision 8657. This was tested with 100 b1pi events where "SWIT 2 2" was set printing every call to gustep. The output was captured to a file. The program was then re-run, but with the output of the first round used as input to the second. The value of RNDM was also changed to ensure no residual use of it was affecting things. The two captured output files showed no differences in the physical parameters simulated for the 100 events.
(0000269)
davidl (administrator)
2012-01-30 11:39

This was completed earlier this month with some changes to mcsmear. The announcement on the halld-offline list can be found here:

https://mailman.jlab.org/pipermail/halld-offline/2012-January/000821.html [^]

- Issue History
Date Modified Username Field Change
2011-12-20 09:42 davidl New Issue
2011-12-20 09:43 davidl Status new => assigned
2011-12-20 09:43 davidl Assigned To => davidl
2011-12-20 09:47 davidl Note Added: 0000231
2012-01-30 11:39 davidl Note Added: 0000269
2012-01-30 11:39 davidl Status assigned => resolved
2012-01-30 11:39 davidl Resolution open => fixed


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