Table-A) CPU performance: cmsExp vs cmsExpVG, 11.0.r09; all uses SerialOnly RM 
Legend:
cmsExpVG   = cmsExp + Geant4/VecGeom.1.2.0
11.0.r09   = geant4-11-00-ref-09 

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

   214.44    1.77      202.68    1.61     -5.5      1.3        higgs.FTFP_BERT.1400.4
   
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.0.r09 vs 11.0.r08 

Legend:
11.0.r08 = geant4-11-00-ref-08   - built w/VecGeom 1.2.0  (SerialOnly RM in app)
11.0.r09 = geant4-11-00-ref-09   - built w/VecGeom 1.2.0  (SerialOnly RM in app)

Average (CPU Time)/Event:  11.0.r09 vs 11.0.r08 

#----------------------------------------------------------------------------
#  110r08                  110r09           100*(r09-r08)/r08    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  206.6000   1.7899 	  202.6800   1.6162 	  -1.9  1.2	 higgs.FTFP_BERT.1400.4 

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


Table-C) Total Memory : 11.0.r09 vs  11.0.r08 

#-----------------------------------------------------------------------------
# total           memory     100*(r09-r08)/r08 
# 110r08          110r09        %diff           sample
#-----------------------------------------------------------------------------

  11061.3000 	  11220.1000 	 1.4	 higgs.FTFP_BERT.1400.4 

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