Table-A) CPU performance: cmsExp vs cmsExpVG, 11.1.r10; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.1
11.1.r09  = geant4-11-01-ref-10  

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

    214.32    1.70     199.02    1.77     -7.1      1.3        higgs.FTFP_BERT.1400.4
    
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.1.r10 vs 11.1.r09 

Legend:
11.1.r09  = geant4-11-01-ref-09 (SerialOnly RM in app)
11.1.r10  = geant4-11-01-ref-10 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.1.r10 vs 11.1.r09 

#----------------------------------------------------------------------------
#  111r09                  111r10             100*(r10-r09)/r09    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  196.0500   1.6003 	  199.0200   1.7696 	   1.5  1.2	 higgs.FTFP_BERT.1400.4 

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



Table-C) Total Memory : 11.1.r10 vs  11.1.r09 

#-----------------------------------------------------------------------------
# total           memory     100*(r10-r09)/r09 
# 111r09          111r10        %diff           sample
#-----------------------------------------------------------------------------

  11268.5000 	  11221.8000 	-0.4	 higgs.FTFP_BERT.1400.4 

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