Table-A) CPU performance: cmsExp vs cmsExpVG, 11.1.r04; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.1
11.1.r04  = geant4-11-01-ref-04  

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

    209.27    1.77      198.33    1.96     -5.2      1.3        higgs.FTFP_BERT.1400.4

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


Table-B) CPU performance: 11.1.r04 vs 11.1.r03 

Legend:
11.1.r03 = geant4-11-01-ref-03 (SerialOnly RM in app)
11.1.r04 = geant4-11-01-ref-04 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.1.r04 vs 11.1.r03 

#----------------------------------------------------------------------------
#  111r03                  111r04             100*(r04-r03)/r03    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  198.0900   1.9936 	  198.3300   1.9580 	   0.1  1.4	 higgs.FTFP_BERT.1400.4 

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


Table-C) Total Memory : 11.1.r04 vs  11.1.r03 

#-----------------------------------------------------------------------------
# total           memory     100*(r04-r03)/r03 
# 111r03          111r04        %diff           sample
#-----------------------------------------------------------------------------

  11201.0000 	  11244.0000 	 0.4	 higgs.FTFP_BERT.1400.4 

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