Table-A) CPU performance: cmsExp vs cmsExpVG, 11.1.r01; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.0
11.1.r01  = geant4-11-01-ref-01  

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

   207.4     1.61      200.48    1.64     -3.3      1.3        higgs.FTFP_BERT.1400.4

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


Table-B) CPU performance: 11.1.r01 vs 11.1 

Legend:
11.1     = geant4-11-01        (SerialOnly RM in app)
11.1.r01 = geant4-11-01-ref-01 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.1.r01 vs 11.1 

#----------------------------------------------------------------------------
#  111                     111r01             100*(r01-111)/111    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  201.0000   1.8160 	  200.4800   1.6366 	  -0.3  1.2	 higgs.FTFP_BERT.1400.4 

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


Table-C) Total Memory : 11.1.r01 vs  11.1 

#-----------------------------------------------------------------------------
# total           memory     100*(r01-111)/111 
# 111             111r01        %diff           sample
#-----------------------------------------------------------------------------

  11216.5000 	  11332.1000 	 1.0	 higgs.FTFP_BERT.1400.4 

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