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import FWCore.ParameterSet.Config as cms
process = cms.Process("TEST")
process.source =cms.Source("EmptySource")
process.maxEvents.input = 10
process.options.numberOfStreams = 2
process.options.numberOfThreads = 2
process.options.numberOfConcurrentLuminosityBlocks = 1 # because Pythia8GeneratorFilter requires synchronization at LuminosityBlock boundaries
process.load("Configuration.StandardSequences.SimulationRandomNumberGeneratorSeeds_cff")
process.RandomNumberGeneratorService.gen1 = process.RandomNumberGeneratorService.generator.clone()
process.RandomNumberGeneratorService.gen2 = process.RandomNumberGeneratorService.generator.clone()
process.gen1 = cms.EDFilter("Pythia8GeneratorFilter",
comEnergy = cms.double(7000.),
PythiaParameters = cms.PSet(
pythia8_example02 = cms.vstring('HardQCD:all = on',
'PhaseSpace:pTHatMin = 20.'),
parameterSets = cms.vstring('pythia8_example02')
)
)
_pythia8 = cms.EDFilter("Pythia8GeneratorFilter",
comEnergy = cms.double(7000.),
PythiaParameters = cms.PSet(
pythia8_example02 = cms.vstring('HardQCD:all = on',
'PhaseSpace:pTHatMin = 20.'),
parameterSets = cms.vstring('pythia8_example02')
)
)
from GeneratorInterface.Core.ExternalGeneratorFilter import ExternalGeneratorFilter
process.gen2 = ExternalGeneratorFilter(_pythia8)
process.sleeper = cms.EDProducer("timestudy::SleepingProducer", ivalue = cms.int32(1), consumes = cms.VInputTag(), eventTimes=cms.vdouble(1.))
process.compare = cms.EDAnalyzer("CompareGeneratorResultsAnalyzer",
module1 = cms.untracked.string("gen1"),
module2 =cms.untracked.string("gen2"),
allowXSecDifferences = cms.untracked.bool(True))
process.p = cms.Path(process.sleeper+process.gen1+process.gen2+process.compare)
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