Runs: from HIFI00051363.nxs to HIFI00051736.nxs:

DeadtimeCorrections, CalculationType, DetectorGrouping,  Parallel(s),   Serial(s),   Parallel/Serial
No                   Integral         Auto               38.26          53.66s       0.713
Yes, from runs       Integral         Auto               37.40          70.54s       0.530
Yes, from file       Integral         Auto               37.47          70.78s       0.529
No                   Differential     Auto               36.45          54.53s       0.668
No                   Integral         Custom             38.09          44.30s       0.860