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File indexing completed on 2021-05-12 02:41:09

 import FWCore.ParameterSet.Config as cms
 from HeterogeneousCore.CUDACore.SwitchProducerCUDA import SwitchProducerCUDA
 
 # ECAL unpacker running on CPU
 from EventFilter.EcalRawToDigi.EcalUnpackerData_cfi import ecalEBunpacker as _ecalEBunpacker
 ecalDigis = SwitchProducerCUDA(
     cpu = _ecalEBunpacker.clone()
 )
 
 ecalDigisTask = cms.Task(
     # ECAL unpacker running on CPU
     ecalDigis
 )
 
 # process modifier to run on GPUs
 from Configuration.ProcessModifiers.gpu_cff import gpu
 
 # ECAL conditions used by the unpacker running on GPU
 from EventFilter.EcalRawToDigi.ecalElectronicsMappingGPUESProducer_cfi import ecalElectronicsMappingGPUESProducer
 
 # ECAL unpacker running on GPU
 from EventFilter.EcalRawToDigi.ecalRawToDigiGPU_cfi import ecalRawToDigiGPU as _ecalRawToDigiGPU
 ecalDigisGPU = _ecalRawToDigiGPU.clone()
 
 # disable the ECAL unpacker collections that are not available in the GPU unpacker
 gpu.toModify(ecalDigis.cpu,
     headerUnpacking = False,
     memUnpacking = False
 )
 
 # extend the SwitchProducer to add a case to copy the ECAL digis from GPU to CPU and covert them from SoA to legacy format
 from EventFilter.EcalRawToDigi.ecalCPUDigisProducer_cfi import ecalCPUDigisProducer as _ecalCPUDigisProducer
 gpu.toModify(ecalDigis,
     # copy the ECAL digis from GPU to CPU and covert them from SoA to legacy format
     cuda = _ecalCPUDigisProducer.clone(
         digisInLabelEB = ('ecalDigisGPU', 'ebDigis'),
         digisInLabelEE = ('ecalDigisGPU', 'eeDigis'),
         produceDummyIntegrityCollections = True
     )
 )
 
 gpu.toReplaceWith(ecalDigisTask, cms.Task(
     # ECAL conditions used by the unpacker running on GPU
     ecalElectronicsMappingGPUESProducer,
     # run the ECAL unpacker on GPU
     ecalDigisGPU,
     # run the ECAL unpacker on CPU, or copy the ECAL digis from GPU to CPU and covert them from SoA to legacy format
     ecalDigis
 ))

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