def __init__(self, simName, startTime, endTime, minDelay=1, useMPI=False, mpiLibName=defaultMpichLibName):
self.Entity = Entity #Include in the top Simian namespace
self.name = simName
self.startTime = startTime
self.endTime = endTime
self.minDelay = minDelay
self.now = startTime
#If simulation is running
self.running = False
#Stores the entities available on this LP
self.entities = {}
#Events are stored in a priority-queue or heap, in increasing
#order of time field. Heap top can be accessed using self.eventQueue[0]
#event = {time, name, data, tx, txId, rx, rxId}.
self.eventQueue = []
#Stores the minimum time of any event sent by this process,
#which is used in the global reduce to ensure global time is set to
#the correct minimum.
self.infTime = endTime + 2*minDelay
self.minSent = self.infTime
#[[Base rank is an integer hash of entity's name]]
self.baseRanks = {}
#Make things work correctly with and without MPI
if useMPI:
#Initialize MPI
try:
global MPI
from MPILib import MPI
self.useMPI = True
self.MPI = MPI(mpiLibName)
self.rank = self.MPI.rank()
self.size = self.MPI.size()
except:
raise SimianError("Please ensure libmpich is available to ctypes before using Simian for MPI based simulations.\nTry passing absolute path to libmpich.[dylib/so/dll] to Simian.")
else:
self.useMPI = False
self.MPI = None
self.rank = 0
self.size = 1
#One output file per rank
self.out = open(self.name + "." + str(self.rank) + ".out", "w")
#Write some header information for each output file
self.out.write("===========================================\n")
self.out.write("----------SIMIAN-PIE PDES ENGINE-----------\n")
self.out.write("===========================================\n")
if self.useMPI:
self.out.write("MPI: ON\n\n")
else:
self.out.write("MPI: OFF\n\n")
def __init__(self,
simName,
startTime,
endTime,
minDelay=1,
useMPI=False,
mpiLibName=defaultMpichLibName,
optimistic=False,
optimistic_GVT_Threshold=1,
customHeap='heap'):
self.Entity = Entity #Include in the top Simian namespace
self.name = simName
self.startTime = startTime
self.endTime = endTime
self.minDelay = minDelay
self.now = startTime
#If simulation is running
self.running = False
#Stores the entities available on this LP
self.entities = {}
#Stores the minimum time of any event sent by this process,
#which is used in the global reduce to ensure global time is set to
#the correct minimum.
self.infTime = endTime + 2 * minDelay
self.minSent = self.infTime
#[[Base rank is an integer hash of entity's name]]
self.baseRanks = {}
#Events are stored in a priority-queue or heap, in increasing
#order of time field. Heap top can be accessed using self.eventQueue[0]
#event = {time, name, data, tx, txId, rx, rxId}.
#self.eventQueue = []
self.heap = customHeap
assert self.heap in [
'heap', '2tHeapBin', '2tHeapFib', '2tHeapBinFib', '2tHeapFibBin',
'pyheap', 'fibHeap', 'calendarQ'
] #, '2tLadderQ', '3tHeap', 'ladderQ', 'splay']
try:
global heap
heap = getattr(__import__('%s.heap' % self.heap), 'heap')
#heap = __import__('%s.heap' % self.heap) #, 'heap')
self.heap = heap
self.eventQueue = heap.init(self)
except:
raise SimianError("Can not find heap library: %s.heap" % self.heap)
#Make things work correctly with and without MPI
if useMPI:
#Initialize MPI
try:
global MPI
from MPILib import MPI
except:
raise ("here")
try:
self.useMPI = True
self.MPI = MPI(mpiLibName)
self.rank = self.MPI.rank()
self.size = self.MPI.size()
except:
raise SimianError(
"Please ensure libmpich is available to ctypes before using Simian for MPI based simulations.\nTry passing absolute path to libmpich.[dylib/so/dll] to Simian."
)
else:
self.useMPI = False
self.MPI = None
self.rank = 0
self.size = 1
self.optimistic = optimistic
if self.optimistic:
if not self.useMPI or self.size == 1:
self.optimistic = False # switch to conservative we need MPI and ranks > 1
if self.rank == 0:
print('using heap: %s' % self.heap)
self.optimistic_GVT = 0
self.optimisticNumAntimessagesSent = 0
self.optimisticNumEventsRolledBack = 0
self.optimisticNumEvents = 0
self.optimistic_count_round = 0
self.optimistic_t_min = self.infTime
self.optimistic_white = 0
self.optimistic_color = "white"
self.optimistic_GVT_Threshold = optimistic_GVT_Threshold
self.optimistic_GVT_mem_req = 10
self.optimisticGVTNumTimesCalcd = 0
self.optimisticGVTNumTimesCalc = (endTime -
startTime) / 300 # every 0.3%
# statistic collection #
self.statistics = 0
if self.statistics:
self.statsQSize = []
self.statsAvgQSize = 0
self.statsStdQSize = 0
self.GVTCalcNum = 0
#self.rollbackLength = []
#self.avgRollbackLength = 0
#self.stdRollbackLength = 0
self.statsOpsLen = []
self.statsAvgOpsLen = 0
self.statsStdOpsLen = 0
self.statsFirstQOpsLen, self.statsSecondQOpsLen, self.statsThirdQOpsLen = 0, 0, 0
self.statsNumEnt = 0
self.statsRecvEventsPerEnt = [] # reciever
self.statsAvgRecvEventsPerEnt = 0
self.ststsStdRecvEventsPerEnt = 0
self.statsSendEventsPerEnt = [] # sender
self.statsAvgSendEventsPerEnt = 0
self.ststsStdSendEventsPerEnt = 0
## TODO USE quantiles???
## end statistics ##
#One output file per rank
self.out = open(self.name + "." + str(self.rank) + ".out", "w")
#Write some header information for each output file
self.out.write("===========================================\n")
self.out.write("----------SIMIAN-PIE PDES ENGINE-----------\n")
self.out.write("===========================================\n")
if self.useMPI:
self.out.write("MPI: ON\n\n")
else:
self.out.write("MPI: OFF\n\n")
