Digi_PreMix_cff.py

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import FWCore.ParameterSet.Config as cms

# fragment to turn off ZS in Hcal:
#from Configuration.StandardSequences.Digi_cff import *
from Configuration.StandardSequences.DigiNZS_cff import *

# modifications to the digi sequences defined above (DigiNZS imports the central Digi_cff)

#simMuonCSCDigis.strips.doNoise = False
#simMuonCSCDigis.wires.doNoise = False
#simMuonDTDigis.onlyMuHits = True

simMuonRPCDigis.doBkgNoise = False


# Note: the other noise is turned of in the DigitizersNoNoise sequence defined in the MixingModule
# because the MM holds/controls all of the other digitizers.

# Turn off SR in Ecal
simEcalDigis.UseFullReadout = cms.bool(True)
# This is extra, since the configuration skips it anyway.  Belts and suspenders.
pdigi.remove(simEcalPreshowerDigis)
# remove HCAL TP sim - not needed, sometimes breaks
hcalDigiSequence.remove(simHcalTriggerPrimitiveDigis)
hcalDigiSequence.remove(simHcalTTPDigis)

from Configuration.Eras.Modifier_fastSim_cff import fastSim
if fastSim.isChosen():
    # no need for the aliases for usual mixing
    del generalTracks,ecalPreshowerDigis,ecalDigis,hcalDigis,muonDTDigis,muonCSCDigis,muonRPCDigis
else:
#hack - our code is too fast at large scale - lets slow it down and idle for 15 seconds
    cpuSpender=cms.EDAnalyzer("CPUSpender")
    cpuSpender.secPerEvent=cms.untracked.int32(20)
   
    pdigi.insert(0,cpuSpender)