makePlots.py

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import os
import matplotlib
matplotlib.use('PDF')
import matplotlib.pyplot as plt

def instancesVsTime(filename):
  logfile = open(filename)
  nOfInstances = {}
  runtime      = {}
  # extract all info
  for line in logfile.readlines():
      if "I ran" in line:
          name = line.split("SUCCESS")[0]
          runtime[name] = float(line.split("runtime of")[1] )
          if name in nOfInstances: number = nOfInstances[name]
          else: number =0
          nOfInstances[name] = number+1
  # now sort it 
  x = []
  y = []
  for name in runtime:
      x.append( runtime[name] )
      y.append( nOfInstances[name] )
  fig = plt.figure()
  ax = fig.add_subplot(111)
  yo = ax.scatter(x,y)
  ax.grid(True)
  plt.xlabel("Runtime (s)")
  plt.ylabel("# instances")
  plt.title("Requested algorithm instances with 10 events and 10 threads in parallel.")
  plt.savefig("test.pdf")


class TimingInfo(object):
  def __init__(self,name, time):
    name = name.rstrip(".time")
    threads, events, algos = name.split("_")[1:]
    self.threads = int(threads)
    self.events  = int(events)
    self.algos   = int(algos)
    self.time    = float(time)

def prepareTimingPlots(config="BrunelScenario", path = "../options"):

  # first read all the timings
  timings = []
  for filename in os.listdir(path):
    if filename.startswith(config) and filename.endswith("time"):
      ff = open( os.path.join(path,filename) )
      time = ff.read().rstrip("\n")
      timing = TimingInfo(filename,time)
      timings.append(timing)
  # now prepare the various plots:
  #  o parallel algos vs. time (for fixed parallel events)
  fig = plt.figure()
  ax = fig.add_subplot(111)
  times = []
  algos = []
  for timing in timings:
    if timing.events == 1:
      times.append(timing.time)
      algos.append(timing.algos)
  ax.plot(algos, times)
  plt.xlabel("Max algos in parallel")
  plt.ylabel("runtime (s)")
  plt.title("Brunel / CPUCruncher profiling.")
        
  plt.savefig("timing.pdf")  


##########################
if __name__ == "__main__":

#  instancesVsTime("/afs/cern.ch/work/h/hegner/hive/Gaudi/GaudiHive/options/log.log")
 prepareTimingPlots()