Table-A) CPU performance: cmsExp vs cmsExpVG, 11.2.c02; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.6
11.2.c02  = geant4-11-02-cand-02   

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

    213.75    1.44     197.92    1.76     -7.4      1.3        higgs.FTFP_BERT.1400.4
    
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.2.c02r vs 11.2.c02 

Legend:
11.2.c02  = geant4-11-02-cand-02 (SerialOnly RM in app)
11.2.c02r = geant4-11-02-cand-02+VecGeom.1.2.6 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.2.c02 vs 11.2.c01 

#----------------------------------------------------------------------------
#  112c02                  112c02r            100*(c02r-c02)/c02    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  200.7800   1.5905 	  197.9200   1.7579 	  -1.4  1.2	 higgs.FTFP_BERT.1400.4 

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