old_contents: #!/usr/bin/python
  from ember import *
  
  conf = Config(
      Grid(addPointCount=6),
      Paths(outputDir='run/multirunTest',
            logFile='out-multirunTest.txt'),
      InitialCondition(fuel='CH4:1.0',
                       equivalenceRatio=0.75),
      StrainParameters(rates=[4800,2400,1200,600,300]))
  
  if __name__ == '__main__':
      conf.run()
  
new_contents: #!/usr/bin/python
  from ember import *
  import multiprocessing
  
  conf = Config(
      General(nThreads=multiprocessing.cpu_count()),
      Chemistry(kineticsModel='interp',
                transportModel='Approx'),
      Grid(addPointCount=6),
      Paths(outputDir='run/multirunTest',
            logFile='out-multirunTest.txt'),
      InitialCondition(fuel='CH4:1.0',
                       equivalenceRatio=0.75),
      StrainParameters(rates=[4800,2400,1200,600,300]))
  
  if __name__ == '__main__':
      conf.run()
  
subject: Improve performance of example-multirun.py