Table-A) CPU performance: cmsExp vs cmsExpVG, 11.0.r07; all uses SerialOnly RM 
Legend:
cmsExpVG   = cmsExp + Geant4/VecGeom.1.2.0
11.0.r07   = geant4-11-00-ref-07 

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

   213.63    1.44      201.6     1.74     -5.6      1.3        higgs.FTFP_BERT.1400.4
   
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.0.r07 vs 11.0.r06 

Legend:
11.0.r06 = geant4-11-00-ref-06   - built w/VecGeom 1.1.18 (Serial RM in app)
11.0.r07 = geant4-11-00-ref-07   - built w/VecGeom 1.2.0  (SerialOnly RM in app)

Average (CPU Time)/Event:  11.0.r07 vs 11.0.r06 

#----------------------------------------------------------------------------
#  110r06                  110r07           100*(r07-r06)/r06    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  204.0700   2.1143 	  201.6000   1.7393 	  -1.2  1.3	 higgs.FTFP_BERT.1400.4 

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


Table-C) Total Memory : 11.0.r07 vs  11.0.r06 

#-----------------------------------------------------------------------------
# total           memory     100*(r07-r06)/r06 
# 110r06          110r07        %diff           sample
#-----------------------------------------------------------------------------

  11324.5000 	  11180.7000 	-1.3	 higgs.FTFP_BERT.1400.4 

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