Table-A) CPU performance: cmsExp vs cmsExpVG, 11.1.r06; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.1
11.1.r06  = geant4-11-01-ref-06  

Average (CPU Time)/Event: cmsExp  vs cmsExpVG
#----------------------------------------------------------------------------
#  cmsExp              cmsExpVG        100*(cmsExpVG-cmsExp)/cmsExp  sample
#
#  mean      error     mean      error    %diff    error
#----------------------------------------------------------------------------

    207.95    1.87      196.95    1.74     -5.3      1.3        higgs.FTFP_BERT.1400.4
    
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.1.r06 vs 11.1.r05r 

Legend:
11.1.r05r = geant4-11-01-ref-05 -reprocessed after move of WC-IC (SerialOnly RM in app)
11.1.r06  = geant4-11-01-ref-06 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.1.r06 vs 11.1.r05r 

#----------------------------------------------------------------------------
#  111r05r                 111r06             100*(r06-r05r)/r05r    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  197.4000   2.1014 	  196.9500   1.7394 	  -0.2  1.4	 higgs.FTFP_BERT.1400.4 

#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
#  111p02                  111r06           100*(r06-p02)/p02    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  201.8200   1.7804 	  196.9500   1.7394 	  -2.4  1.2	 higgs.FTFP_BERT.1400.4 

#----------------------------------------------------------------------------


Table-C) Total Memory : 11.1.r06 vs  11.1.r05 
NOTE: data from original processing of 11.1.r05 have been used

#-----------------------------------------------------------------------------
# total           memory     100*(r06-r05)/r05 
# 111r05          111r06        %diff           sample
#-----------------------------------------------------------------------------

  11232.7000 	  11253.6000 	 0.2	 higgs.FTFP_BERT.1400.4 

#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# total           memory     100*(r06-p02)/p02 
# 111p02          111r06       %diff           sample
#-----------------------------------------------------------------------------

  11183.7000 	  11253.6000 	 0.6	 higgs.FTFP_BERT.1400.4 

#-----------------------------------------------------------------------------