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#############################################################
## ##
## Copyright (c) 2003-2017 by The University of Queensland ##
## Centre for Geoscience Computing ##
## http://earth.uq.edu.au/centre-geoscience-computing ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.apache.org/licenses/LICENSE-2.0 ##
## ##
#############################################################
"""
Common functionality between benchmarks.
"""
from __future__ import division, print_function
from time import time
import math
import sys
from esys.lsm import *
from esys.lsm.util import *
from esys.lsm.geometry import *
"""
range(..) in Python 3 returns an iterable (as xrange() in Python 2), but
a list in Python 2.
"""
if sys.version_info[0] > 2:
iRange = range
else:
iRange = xrange
logger = Logging.getLogger("benchmarks.Util")
def getDimList(numParticles):
ppd = int(math.ceil(math.pow(numParticles, (1.0/3.0))))
return [ppd,ppd,ppd]
def getParticleCollection(numParticles, iterable):
pIter = iter(iterable)
pColl = ParticleCollection()
for i in iRange(0, numParticles):
pColl.createParticle(next(pIter))
return pColl
def getSimpleBlock(numParticles, radius):
return \
getParticleCollection(
numParticles,
SimpleBlock(getDimList(numParticles), radius)
)
def getHexagBlock(numParticles, radius):
return \
getParticleCollection(
numParticles,
HexagBlock(getDimList(numParticles), radius)
)
class BenchSim(LsmMpi):
def __init__(
self,
numTimeSteps=10000,
numParticles=1000,
spawnExe = "",
spawnArgList = None
):
self.logger = Logging.getLogger(str(self.__class__.__name__))
if (spawnArgList == None):
spawnArgList = []
self.logger.info("Constructing LsmMpi")
LsmMpi.__init__(self,1,[1,0,0], spawnExe, spawnArgList)
self.logger.info("Setting number of time steps to {0:d}".format(numTimeSteps))
self.setNumTimeSteps(numTimeSteps)
self.logger.info("Initialising attributes")
self.numParticles = numParticles
self.startTime = 0
self.stopTime = 0
self.runTime = 0
def doTimedRun(self):
logger.info("Getting number of particles.")
numParticles = self.getNumParticles()
logger.info("Running simulation, {0:d} particles.".format(numParticles))
self.startTime = time()
self.run()
self.stopTime = time()
self.runTime = self.stopTime - self.startTime
if (numParticles != self.getNumParticles()):
raise \
Exception(
"Mismatch between number of particles at start of" +\
" simulation ({0:d}) and number at end of simulation ({1:d})."\
.format(numParticles, self.getNumParticles())
)
def getRunTime(self):
return self.runTime
class SimSuite:
def __init__(self, benchSimClass):
self.simClass = benchSimClass
self.simList = []
self.outputFileName = None
self.logger = Logging.getLogger("benchmarks.SimSuite")
def __iter__(self):
return iter(self.simList)
def runSimulations(self):
self.logger.info("Running simulations...")
for sim in self.simList:
sim.runSimulation()
print("Run time for ",sim.getNumParticles(), " = ",sim.getRunTime())
if (self.outputFileName != None):
f = file(self.outputFileName, "w")
else:
f = sys.stdout
for sim in self.simList:
f.write(str(sim.getNumParticles()) + " ")
f.write(str(sim.getRunTime()) + "\n")
def run(self):
self.runSimulations()
def createSim(
self,
numTimeSteps,
numParticles,
spawnCmd,
spawnCmdArgList
):
return \
self.simClass(
numTimeSteps,
numParticles,
spawnCmd,
spawnCmdArgList
)
def createSims(
self,
numTimeSteps,
numParticlesList,
outputFileName,
spawnCmdLineList = None,
verboseLsm = False
):
setVerbosity(verboseLsm)
self.outputFileName = outputFileName
if ((spawnCmdLineList == None) or (len(spawnCmdLineList)==0)):
spawnCmdLineList = [""]
self.logger.info("Creating " + str(self.simClass) + " simulations...")
self.simList = \
[
self.createSim(numTimeSteps,numParticles,spawnCmdLineList[0],spawnCmdLineList[1:])
for numParticles in numParticlesList
]
def getOptionParser():
parser = \
OptParse.LogOptionParser(
usage =\
"usage: %prog [options]\n\n" +\
"Runs a suite of benchmark simulations for varying number of particles. "
)
parser.add_option(
"-n", "--num-time-steps",
dest="numTimeSteps",
type="int",
metavar="N",
default=10000,
help=\
"The number of time steps for which a simulation is run."+\
" (default N=10000)"
)
parser.add_option(
"-p", "--num-particles-list",
dest="numParticlesList",
type="int_list",
metavar="L",
default=[1000],
help=\
"A list specifying the number of particles in each simulation"+\
" (default L=[1000]). One simulation is run for each element in"+\
" this list."
)
parser.add_option(
"-o", "--output-file-name",
dest="outputFileName",
type="string",
metavar="F",
default=None,
help=\
"Timing data for each simulation is written to this file"+\
" (default F=None)."
)
parser.add_option(
"-s", "--spawn-cmd-line-list",
dest="spawnCmdLineList",
type="string_list",
metavar="C",
default=None,
help=\
"A list specifying the command and arguments used to spawn MPI"+\
" worker processes (default L=[1000])."
)
parser.add_option(
"-v", "--verbose-lsm",
dest="verboseLsm",
action="store_true",
default=False,
help=\
"Generates (lots of) debug output during simulation run" +\
" (default no debug output)"
)
return parser
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