Timing Study

A timing Study for Atlfast and AtlfastC was carried out in Version 14.5.0 and Version The samples used in this study where ttbar and Z->ee EVGEN samples. The EVGEN datasets where then put into job option that produces an Atlfast AOD. With the AOD we create a corrected AOD using job option, resulting in an AOD with applied efficiencies to replicate the full simulation AODs.

It must also be noted that we can use the job option to produce an Atlfast AOD.


I will now discuss the steps that where taken to produce an Atlfast AOD (I have included a Logfile below).

Changes to

  • Input dataset to, which is located in (need to get_file

# Use auditors
theApp.Dlls += [ "GaudiAud" ]
# write out a summary of the time spent
# write out a short message upon entering or leaving each algorithm
theAuditorSvc.Auditors  += [ "NameAuditor" ]
ChronoStatSvc = Service ( "ChronoStatSvc")
#ChronoStatSvc.NumberOfSkippedEventsForMemStat = 50
theAuditorSvc.Auditors  += [ "MemStatAuditor" ]
MemStatAuditor = theAuditorSvc.auditor( "MemStatAuditor" )
MemStatAuditor.OutputLevel = INFO


I will now discuss the steps that where taken to produce an AtlfastC AOD (I have included a Logfile below).

Changes to

Timing Table

Results of the Timing Study

Version   |  Sample   |  ATLFAST  |  ATLFASTC  | ATLFASTC(All ALG EFF ON)
14.5.0        Z->ee      Z->ee
14.5.0        ttbar      ttbar

Timing Samples

Information on the datasets and AODs.

AMI Z->ee

  • [[][mc08.106050.PythiaZee_1Lepton.evgen.EVNT.e347_tid039177]]

AMI ttbar

  • [[][mc08.105206.AcerMCttbarHerwig.evgen.EVNT.e429_tid071788]]

Location of EVGEN datasets

  • Z->ee

  • ttbar

Location of Atlfast AODS

  • Z->ee

  • ttbar


-- MichaelWright - 2010-03-03

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Topic revision: r1 - 2010-03-03 - MichaelWright
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