Table-A) CPU performance: cmsExp vs cmsExpVG, 11.2.r01; 
         all with gcc11.4.0 on EL8 and uses SerialOnly RM 
Legend:
cmsExpVG = cmsExp + Geant4/VecGeom.1.2.6
11.2.r01 = geant4-11-02-ref-01  

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

    209.75    1.30     192.78    1.42     -8.1      1.3        higgs.FTFP_BERT.1400.4
    
#----------------------------------------------------------------------------


Table-B) CPU performance: 11.2.r01 vs 11.2.el8 

Legend:
11.2.el8 = geant4-11-02        (gcc11.4.0, EL8, Serial RM in app)
11.2.r01 = geant4-11-02-ref-01 (gcc11.4.0, EL8, Serial RM in app)

Average (CPU Time)/Event:  11.2.r01 vs 11.2.el8 

#----------------------------------------------------------------------------
#  112el8                  112r01            100*(r01-112el8)/112el8    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  194.7300   1.4671 	  192.7800   1.4178 	  -1.0  1.0	 higgs.FTFP_BERT.1400.4 

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