message: [tf.data] Still update state values if in the last iteration of Hill Climb, we can not find the best parameter.
diff: @@ -1662,11 +1662,11 @@ void Model::OptimizeHillClimb(int64 cpu_budget, int64 ram_budget,
  pair.second->value--;
  }
  if (!best_parameter) {
  - VLOG(2) << "Failed to find a tunable parameter that would decrease the "
  - "output time. This means that the autotuning optimization got "
  - "stuck in a local maximum. The optimization attempt will be "
  - "aborted.";
  - return;
  + VLOG(2) << "Failed to find a tunable parameter that would further "
  + "decrease the output time. This means that the autotuning "
  + "optimization got stuck in a local maximum. The optimization "
  + "attempt will terminate early.";
  + break;
  }
  best_parameter->value++;
  }
  