Legend:
11.0.p03.gcc8  = geant4-11-00_patch-03 (gcc8.3.0;  Serial RM in app)
11.0.p03.gcc11 = geant4-11-00-patch-03 (gcc11.3.0; Serial RM in app)

Table-A) CPU performance: 11.0.p03.gcc11 vs 11.0.p03.gcc8

Average (CPU Time)/Event:  11.0.p03.gcc8 vs 11.0.p03.gcc11
#----------------------------------------------------------------------------
#  110p03gcc8              110p03gcc11      100*(gcc11-gcc8)/gcc8    sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------

  154.8700   1.2750 	  152.1200   1.6848 	  -1.8  1.4	 higgs.FTFP_BERT.1400.4 
  127.7700   1.5435 	  125.7000   1.7312 	  -1.6  1.8	 higgs.FTFP_BERT.1400.0 
    9.0170   0.0947 	    8.8583   0.1056 	  -1.8  1.6	 e-100MeV.FTFP_BERT.100MeV.4 
   19.3480   0.2013 	   18.4580   0.1578 	  -4.6  1.3	 e-100MeV.Shielding.100MeV.4 
   57.1610   0.7945 	   54.0850   0.7283 	  -5.4  1.8	 e-100MeV.Shielding_EMZ.100MeV.4 
    0.0083   0.0001 	    0.0083   0.0001 	   0.0  1.7	 e-.FTFP_BERT.1.0 
    0.0417   0.0005 	    0.0415   0.0007 	  -0.5  2.1	 e-.FTFP_BERT.5.0 
    0.0829   0.0010 	    0.0829   0.0013 	   0.0  2.0	 e-.FTFP_BERT.10.0 
    0.4067   0.0049 	    0.4055   0.0067 	  -0.3  2.0	 e-.FTFP_BERT.50.0 
    0.0107   0.0001 	    0.0105   0.0001 	  -1.9  1.3	 e-.FTFP_BERT.1.4 
    0.0539   0.0006 	    0.0527   0.0007 	  -2.2  1.7	 e-.FTFP_BERT.5.4 
    0.1076   0.0012 	    0.1057   0.0012 	  -1.8  1.6	 e-.FTFP_BERT.10.4 
    0.5268   0.0070 	    0.5157   0.0073 	  -2.1  1.9	 e-.FTFP_BERT.50.4 
    0.0144   0.0002 	    0.0143   0.0002 	  -0.7  2.0	 pi-.FTFP_BERT.1.0 
    0.0581   0.0008 	    0.0579   0.0008 	  -0.3  1.9	 pi-.FTFP_BERT.5.0 
    0.1085   0.0013 	    0.1077   0.0015 	  -0.7  1.8	 pi-.FTFP_BERT.10.0 
    0.4975   0.0067 	    0.4912   0.0073 	  -1.3  2.0	 pi-.FTFP_BERT.50.0 
    0.0161   0.0002 	    0.0159   0.0002 	  -1.2  1.7	 pi-.FTFP_BERT.1.4 
    0.0663   0.0009 	    0.0654   0.0008 	  -1.4  1.8	 pi-.FTFP_BERT.5.4 
    0.1263   0.0013 	    0.1240   0.0016 	  -1.8  1.6	 pi-.FTFP_BERT.10.4 
    0.5887   0.0061 	    0.5782   0.0074 	  -1.8  1.6	 pi-.FTFP_BERT.50.4 
    0.0161   0.0002 	    0.0160   0.0002 	  -0.6  1.8	 pi-.QGSP_BERT.1.4 
    0.0665   0.0008 	    0.0656   0.0009 	  -1.4  1.8	 pi-.QGSP_BERT.5.4 
    0.1261   0.0014 	    0.1241   0.0015 	  -1.6  1.6	 pi-.QGSP_BERT.10.4 
    0.5865   0.0051 	    0.5789   0.0081 	  -1.3  1.6	 pi-.QGSP_BERT.50.4 
    0.0152   0.0002 	    0.0150   0.0002 	  -1.3  1.8	 pi-.QGSP_BIC.1.4 
    0.0641   0.0006 	    0.0631   0.0006 	  -1.6  1.3	 pi-.QGSP_BIC.5.4 
    0.1225   0.0025 	    0.1201   0.0012 	  -2.0  2.2	 pi-.QGSP_BIC.10.4 
    0.5720   0.0054 	    0.5638   0.0071 	  -1.4  1.6	 pi-.QGSP_BIC.50.4 
    0.0366   0.0004 	    0.0361   0.0005 	  -1.4  1.7	 anti_proton.FTFP_BERT.1.4 
    0.0870   0.0011 	    0.0859   0.0012 	  -1.3  1.9	 anti_proton.FTFP_BERT.5.4 
    0.1489   0.0018 	    0.1466   0.0019 	  -1.5  1.7	 anti_proton.FTFP_BERT.10.4 
    0.6166   0.0066 	    0.6050   0.0077 	  -1.9  1.6	 anti_proton.FTFP_BERT.50.4 
    0.0109   0.0001 	    0.0107   0.0001 	  -1.8  1.3	 proton.FTFP_BERT.1.4 
    0.0642   0.0008 	    0.0634   0.0009 	  -1.2  1.9	 proton.FTFP_BERT.5.4 
    0.1274   0.0014 	    0.1256   0.0015 	  -1.4  1.6	 proton.FTFP_BERT.10.4 
    0.5990   0.0062 	    0.5931   0.0074 	  -1.0  1.6	 proton.FTFP_BERT.50.4 
    0.0636   0.0004 	    0.0599   0.0005 	  -5.8  1.0	 pi-.FTFP_INCLXX.1.4 
    0.2150   0.0014 	    0.2031   0.0019 	  -5.5  1.1	 pi-.FTFP_INCLXX.5.4 
    0.3922   0.0029 	    0.3708   0.0027 	  -5.5  1.0	 pi-.FTFP_INCLXX.10.4 
    0.5538   0.0041 	    0.5233   0.0038 	  -5.5  1.0	 pi-.FTFP_INCLXX.15.4 
    0.0502   0.0004 	    0.0472   0.0004 	  -6.0  1.1	 proton.FTFP_INCLXX.1.4 
    0.2446   0.0014 	    0.2304   0.0017 	  -5.8  0.9	 proton.FTFP_INCLXX.5.4 
    0.4405   0.0034 	    0.4153   0.0039 	  -5.7  1.1	 proton.FTFP_INCLXX.10.4 
    0.6172   0.0037 	    0.5824   0.0053 	  -5.6  1.0	 proton.FTFP_INCLXX.15.4 
    0.0757   0.0005 	    0.0726   0.0012 	  -4.1  1.7	 proton.FTFP_BERT_HP.1.4 
    0.4030   0.0022 	    0.3864   0.0029 	  -4.1  0.9	 proton.FTFP_BERT_HP.5.4 
    0.0755   0.0004 	    0.0724   0.0006 	  -4.1  0.9	 proton.Shielding.1.4 
    0.4109   0.0025 	    0.3936   0.0029 	  -4.2  0.9	 proton.Shielding.5.4 
    0.0914   0.0011 	    0.0886   0.0012 	  -3.1  1.8	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
    0.1307   0.0016 	    0.1259   0.0016 	  -3.7  1.7	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
    0.0357   0.0004 	    0.0344   0.0005 	  -3.6  1.8	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
    0.0509   0.0006 	    0.0488   0.0007 	  -4.1  1.8	 gamma.FTFP_BERT_EMZ_AugerOn.1.0 

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


Table-B) Total Memory : 11.0.p03.gcc11 vs  11.0.p03.gcc8 

#-----------------------------------------------------------------------------
# total           memory     100*(gcc11-gcc8)/gcc8 
# 110p03gcc8      110p03gcc11  %diff           sample
#-----------------------------------------------------------------------------

  4373.8600 	  4373.9000 	 0.0	 higgs.FTFP_BERT.1400.4 
  4383.5800 	  4383.6200 	 0.0	 higgs.FTFP_BERT.1400.0 
  181.5300 	  181.5710 	 0.0	 e-100MeV.FTFP_BERT.100MeV.4 
  54130.5000 	  54132.1000 	 0.0	 e-100MeV.Shielding.100MeV.4 
  97664.3000 	  97665.9000 	 0.0	 e-100MeV.Shielding_EMZ.100MeV.4 
  112.9000 	  112.9410 	 0.0	 e-.FTFP_BERT.1.0 
  114.1100 	  114.1510 	 0.0	 e-.FTFP_BERT.5.0 
  114.9180 	  114.9590 	 0.0	 e-.FTFP_BERT.10.0 
  124.1040 	  124.1450 	 0.0	 e-.FTFP_BERT.50.0 
  112.9310 	  112.4270 	-0.4	 e-.FTFP_BERT.1.4 
  113.9030 	  113.9440 	 0.0	 e-.FTFP_BERT.5.4 
  115.1160 	  115.1570 	 0.0	 e-.FTFP_BERT.10.4 
  125.0110 	  125.0510 	 0.0	 e-.FTFP_BERT.50.4 
  130.9330 	  130.9740 	 0.0	 pi-.FTFP_BERT.1.0 
  185.1510 	  185.1920 	 0.0	 pi-.FTFP_BERT.5.0 
  221.8410 	  221.8820 	 0.0	 pi-.FTFP_BERT.10.0 
  567.9740 	  568.0150 	 0.0	 pi-.FTFP_BERT.50.0 
  130.1640 	  130.2050 	 0.0	 pi-.FTFP_BERT.1.4 
  181.8450 	  181.8860 	 0.0	 pi-.FTFP_BERT.5.4 
  231.0810 	  231.1220 	 0.0	 pi-.FTFP_BERT.10.4 
  572.0860 	  572.1270 	 0.0	 pi-.FTFP_BERT.50.4 
  130.5460 	  130.5870 	 0.0	 pi-.QGSP_BERT.1.4 
  182.1140 	  182.1550 	 0.0	 pi-.QGSP_BERT.5.4 
  231.2820 	  231.3230 	 0.0	 pi-.QGSP_BERT.10.4 
  638.4350 	  638.4760 	 0.0	 pi-.QGSP_BERT.50.4 
  843.3190 	  843.3590 	 0.0	 pi-.QGSP_BIC.1.4 
  2728.3300 	  2728.3700 	 0.0	 pi-.QGSP_BIC.5.4 
  4356.5000 	  4356.5400 	 0.0	 pi-.QGSP_BIC.10.4 
  16199.9000 	  16199.9000 	 0.0	 pi-.QGSP_BIC.50.4 
  151.8990 	  151.9400 	 0.0	 anti_proton.FTFP_BERT.1.4 
  203.7910 	  203.8320 	 0.0	 anti_proton.FTFP_BERT.5.4 
  263.0330 	  263.0740 	 0.0	 anti_proton.FTFP_BERT.10.4 
  649.5540 	  649.5940 	 0.0	 anti_proton.FTFP_BERT.50.4 
  125.7140 	  125.7540 	 0.0	 proton.FTFP_BERT.1.4 
  200.9310 	  200.9720 	 0.0	 proton.FTFP_BERT.5.4 
  266.6320 	  266.6730 	 0.0	 proton.FTFP_BERT.10.4 
  685.0530 	  685.0940 	 0.0	 proton.FTFP_BERT.50.4 
  2224.4900 	  2224.5300 	 0.0	 pi-.FTFP_INCLXX.1.4 
  6786.0100 	  6786.0500 	 0.0	 pi-.FTFP_INCLXX.5.4 
  12370.3000 	  12370.3000 	 0.0	 pi-.FTFP_INCLXX.10.4 
  16690.1000 	  16690.2000 	 0.0	 pi-.FTFP_INCLXX.15.4 
  1882.6900 	  1882.7300 	 0.0	 proton.FTFP_INCLXX.1.4 
  8106.3400 	  8106.3800 	 0.0	 proton.FTFP_INCLXX.5.4 
  14192.9000 	  14193.0000 	 0.0	 proton.FTFP_INCLXX.10.4 
  19728.1000 	  19728.7000 	 0.0	 proton.FTFP_INCLXX.15.4 
  12868.8000 	  12870.4000 	 0.0	 proton.FTFP_BERT_HP.1.4 
  20832.0000 	  20833.6000 	 0.0	 proton.FTFP_BERT_HP.5.4 
  12849.2000 	  12850.8000 	 0.0	 proton.Shielding.1.4 
  21048.8000 	  21050.4000 	 0.0	 proton.Shielding.5.4 
  447.0240 	  447.0940 	 0.0	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
  736.8580 	  736.9280 	 0.0	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
  998.8110 	  998.8810 	 0.0	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
  2142.7100 	  2142.7800 	 0.0	 gamma.FTFP_BERT_EMZ_AugerOn.1.0 

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