testMultithreadedAlg.py

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#!/usr/bin/env gaudirun.py
 
"""
A test for a single algorithm with internal multithreading
"""
 
from Configurables import (
    AlgResourcePool,
    AvalancheSchedulerSvc,
    CPUCruncher,
    CPUCrunchSvc,
    HiveSlimEventLoopMgr,
    HiveWhiteBoard,
)
from Gaudi.Configuration import *
 
evtslots = 1
evtMax = 1
cardinality = 1
threads = 5  # Threading within alg is still limited by total thread pool
 
whiteboard = HiveWhiteBoard("EventDataSvc", EventSlots=evtslots)
 
slimeventloopmgr = HiveSlimEventLoopMgr(
    SchedulerName="AvalancheSchedulerSvc", OutputLevel=DEBUG
)
 
scheduler = AvalancheSchedulerSvc(ThreadPoolSize=threads, OutputLevel=VERBOSE)
 
AlgResourcePool(OutputLevel=DEBUG)
 
CPUCrunchSvc(shortCalib=True)
 
# Set up of CPU crunchers -------------------------------------------------------
 
a1 = CPUCruncher("A1")
a1.Cardinality = cardinality
a1.avgRuntime = 5.0
a1.NParallel = 5
a1.OutputLevel = DEBUG
 
# Application Manager ----------------------------------------------------------
 
ApplicationMgr(
    EvtMax=evtMax,
    EvtSel="NONE",
    ExtSvc=[whiteboard],
    EventLoop=slimeventloopmgr,
    TopAlg=[a1],
    MessageSvcType="InertMessageSvc",
    OutputLevel=INFO,
)