Table-A) CPU performance: cmsExp vs cmsExpVG, 11.0.r01; all uses SerialOnly RM 
Legend:
cmsExpVG   = cmsExp + Geant4/VecGeom.1.1.18
11.0.r01   = geant4-11-00-ref-01 

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

   223.93    1.71      213.56    1.77     -4.6      1.3        higgs.FTFP_BERT.1400.4

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


Table-B) CPU performance: 11.0.r01 vs 11.0

Legend:
11.0     = geant4-11-00 - built w/VecGeom 1.1.16 (Serial RM in app)
11.0.r01 = geant4-11-00-ref-01 - built w/VecGeom 1.1.18 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.0 vs 11.0.r01
#----------------------------------------------------------------------------
#  110                     110r01           100*(r01-110)/110  sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  212.9400   1.5280 	  213.5600   1.7684 	   0.3  1.1	 higgs.FTFP_BERT.1400.4 

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


Table-C) Total Memory : 11.0.r01 vs  11.0 

#-----------------------------------------------------------------------------
# total           memory     100*(r01-110)/110 
# 110             110r01      %diff           sample
#-----------------------------------------------------------------------------

  10172.4000 	  10294.8000 	 1.2	 higgs.FTFP_BERT.1400.4 

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