../../td/ElasticConstantsCubic__TD_011862047401_006/runner:120: RuntimeWarning: Maximum number of iterations has been exceeded.
  fmin(self.energy_from_scale, 0, xtol=0, ftol=1e-7, maxiter=2000)

{"realtime":5.81,"usertime":3.15,"systime":5.29,"memmax":94528,"memavg":0}