Table-A) CPU performance: cmsExp vs cmsExpVG, 11.1.r08; all with gcc11.3.0 and uses SerialOnly RM 
Legend:
cmsExpVG  = cmsExp + Geant4/VecGeom.1.2.1
11.1.r08  = geant4-11-01-ref-08  

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

    213.89    2.18      199.64    1.61     -6.6      1.3        higgs.FTFP_BERT.1400.4
    
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.1.r08 vs 11.1.r07 

Legend:
11.1.r07  = geant4-11-01-ref-07 (SerialOnly RM in app)
11.1.r08  = geant4-11-01-ref-08 (SerialOnly RM in app)

Average (CPU Time)/Event:  11.1.r08 vs 11.1.r07 

#----------------------------------------------------------------------------
#  111r07                  111r08             100*(r08-r07)/r07    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  198.7800   1.8735 	  199.6400   1.6135 	   0.4  1.2	 higgs.FTFP_BERT.1400.4 

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



Table-C) Total Memory : 11.1.r08 vs  11.1.r07 

#-----------------------------------------------------------------------------
# total           memory     100*(r08-r07)/r07 
# 111r07          111r08        %diff           sample
#-----------------------------------------------------------------------------

  11294.8000 	  11268.4000 	-0.2	 higgs.FTFP_BERT.1400.4 

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