Table-A) CPU performance: 10.5.r04(rr) vs. 10.5.r05noverb
Legend:
10.5.r04rr     = geant4-10-05-ref-04(re-build and re-run)
10.5.r05noverb = geant4-10-05-ref-05(re-build w/o VERBOSE flag and re-run)

Average (CPU Time)/Event: 10.5.r04(rerun)  vs 10.5.r05(no VERBOSE)
#----------------------------------------------------------------------------
#  105r04rr                105r05noverb      100*(r05noverb-r04rr)/r04rr  sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------
  268.3800   2.7948 	  268.6000   2.5649 	   0.1  1.4	 higgs.FTFP_BERT.1400.4 
   15.0560   0.1045 	   15.3940   0.1040 	   2.2  1.0	 e-100MeV.FTFP_BERT.100MeV.4 
   31.3660   0.1726 	   31.9610   0.2483 	   1.9  1.0	 e-100MeV.Shielding.100MeV.4 
   91.6930   0.6173 	   93.6990   0.6494 	   2.2  1.0	 e-100MeV.Shielding_EMZ.100MeV.4 
    0.0140   0.0001 	    0.0137   0.0001 	  -2.1  1.0	 e-.FTFP_BERT.1.0 
    0.0699   0.0004 	    0.0688   0.0006 	  -1.6  1.0	 e-.FTFP_BERT.5.0 
    0.1404   0.0008 	    0.1379   0.0012 	  -1.8  1.0	 e-.FTFP_BERT.10.0 
    0.6958   0.0055 	    0.6822   0.0056 	  -2.0  1.1	 e-.FTFP_BERT.50.0 
    0.0179   0.0001 	    0.0183   0.0001 	   2.2  0.8	 e-.FTFP_BERT.1.4 
    0.0899   0.0006 	    0.0915   0.0006 	   1.8  1.0	 e-.FTFP_BERT.5.4 
    0.1796   0.0011 	    0.1832   0.0014 	   2.0  1.0	 e-.FTFP_BERT.10.4 
    0.8915   0.0060 	    0.9098   0.0055 	   2.1  0.9	 e-.FTFP_BERT.50.4 
    0.0248   0.0001 	    0.0239   0.0001 	  -3.6  0.6	 pi-.FTFP_BERT.1.0 
    0.1019   0.0007 	    0.0982   0.0006 	  -3.6  0.9	 pi-.FTFP_BERT.5.0 
    0.1905   0.0012 	    0.1836   0.0011 	  -3.6  0.8	 pi-.FTFP_BERT.10.0 
    0.8724   0.0056 	    0.8497   0.0056 	  -2.6  0.9	 pi-.FTFP_BERT.50.0 
    0.0279   0.0001 	    0.0270   0.0001 	  -3.2  0.5	 pi-.FTFP_BERT.1.4 
    0.1152   0.0006 	    0.1130   0.0006 	  -1.9  0.7	 pi-.FTFP_BERT.5.4 
    0.2206   0.0011 	    0.2158   0.0011 	  -2.2  0.7	 pi-.FTFP_BERT.10.4 
    1.0300   0.0063 	    1.0206   0.0054 	  -0.9  0.8	 pi-.FTFP_BERT.50.4 
    0.0281   0.0002 	    0.0271   0.0001 	  -3.6  0.8	 pi-.QGSP_BERT.1.4 
    0.1158   0.0007 	    0.1135   0.0005 	  -2.0  0.7	 pi-.QGSP_BERT.5.4 
    0.2217   0.0013 	    0.2165   0.0008 	  -2.3  0.7	 pi-.QGSP_BERT.10.4 
    1.0254   0.0066 	    1.0176   0.0052 	  -0.8  0.8	 pi-.QGSP_BERT.50.4 
    0.0275   0.0001 	    0.0268   0.0001 	  -2.5  0.5	 pi-.QGSP_BIC.1.4 
    0.1166   0.0005 	    0.1145   0.0006 	  -1.8  0.7	 pi-.QGSP_BIC.5.4 
    0.2216   0.0010 	    0.2171   0.0008 	  -2.0  0.6	 pi-.QGSP_BIC.10.4 
    1.0373   0.0062 	    1.0297   0.0053 	  -0.7  0.8	 pi-.QGSP_BIC.50.4 
    0.0647   0.0003 	    0.0634   0.0003 	  -2.0  0.6	 anti_proton.FTFP_BERT.1.4 
    0.1531   0.0008 	    0.1497   0.0007 	  -2.2  0.7	 anti_proton.FTFP_BERT.5.4 
    0.2595   0.0015 	    0.2541   0.0012 	  -2.1  0.7	 anti_proton.FTFP_BERT.10.4 
    1.0804   0.0057 	    1.0693   0.0065 	  -1.0  0.8	 anti_proton.FTFP_BERT.50.4 
    0.0187   0.0001 	    0.0181   0.0001 	  -3.2  0.7	 proton.FTFP_BERT.1.4 
    0.1112   0.0006 	    0.1076   0.0005 	  -3.2  0.7	 proton.FTFP_BERT.5.4 
    0.2217   0.0010 	    0.2159   0.0011 	  -2.6  0.7	 proton.FTFP_BERT.10.4 
    1.0482   0.0063 	    1.0307   0.0058 	  -1.7  0.8	 proton.FTFP_BERT.50.4 
    0.1180   0.0004 	    0.1121   0.0006 	  -5.0  0.6	 pi-.FTFP_INCLXX.1.4 
    0.4008   0.0017 	    0.3834   0.0019 	  -4.3  0.6	 pi-.FTFP_INCLXX.5.4 
    0.7249   0.0027 	    0.6944   0.0029 	  -4.2  0.5	 pi-.FTFP_INCLXX.10.4 
    1.0414   0.0047 	    0.9902   0.0051 	  -4.9  0.7	 pi-.FTFP_INCLXX.15.4 
    0.0939   0.0005 	    0.0910   0.0005 	  -3.1  0.7	 proton.FTFP_INCLXX.1.4 
    0.4540   0.0020 	    0.4279   0.0020 	  -5.7  0.6	 proton.FTFP_INCLXX.5.4 
    0.8341   0.0035 	    0.7870   0.0031 	  -5.6  0.5	 proton.FTFP_INCLXX.10.4 
    1.1713   0.0059 	    1.1146   0.0057 	  -4.8  0.7	 proton.FTFP_INCLXX.15.4 
    0.1428   0.0006 	    0.1447   0.0005 	   1.3  0.6	 proton.FTFP_BERT_HP.1.4 
    0.7419   0.0025 	    0.7386   0.0020 	  -0.4  0.4	 proton.FTFP_BERT_HP.5.4 
    0.1554   0.0010 	    0.1531   0.0005 	  -1.5  0.7	 proton.Shielding.1.4 
    0.8374   0.0057 	    0.8202   0.0026 	  -2.1  0.7	 proton.Shielding.5.4 
    0.1426   0.0006 	    0.1418   0.0008 	  -0.6  0.7	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
    0.2060   0.0012 	    0.2051   0.0013 	  -0.4  0.9	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
    0.0562   0.0004 	    0.0557   0.0003 	  -0.9  0.9	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
    0.0812   0.0005 	    0.0808   0.0006 	  -0.5  1.0	 gamma.FTFP_BERT_EMZ_AugerOn.1.0 
#----------------------------

Table-B) Total Memory : 10.5.r04 vs. 10.5.r05
#-----------------------------------------------------------------------------
# total        memory           100*(r05noverb-r04)/r04 
# 105r04          105r05noverb  %diff           sample
#-----------------------------------------------------------------------------
  4206.5100 	  4115.9100 	-2.2	 higgs.FTFP_BERT.1400.4 
  115.0340 	  115.2640 	 0.2	 e-100MeV.FTFP_BERT.100MeV.4 
  56240.8000 	  56251.8000 	 0.0	 e-100MeV.Shielding.100MeV.4 
  99573.1000 	  99580.0000 	 0.0	 e-100MeV.Shielding_EMZ.100MeV.4 
   46.5568 	   47.1053 	 1.2	 e-.FTFP_BERT.1.0 
   47.5633 	   48.0483 	 1.0	 e-.FTFP_BERT.5.0 
   48.8021 	   49.7781 	 2.0	 e-.FTFP_BERT.10.0 
   58.8537 	   59.6322 	 1.3	 e-.FTFP_BERT.50.0 
   46.5594 	   47.1218 	 1.2	 e-.FTFP_BERT.1.4 
   48.1181 	   48.2795 	 0.3	 e-.FTFP_BERT.5.4 
   49.0314 	   49.1480 	 0.2	 e-.FTFP_BERT.10.4 
   58.6101 	   59.5734 	 1.6	 e-.FTFP_BERT.50.4 
   66.3368 	   66.7463 	 0.6	 pi-.FTFP_BERT.1.0 
  123.0740 	  121.1280 	-1.6	 pi-.FTFP_BERT.5.0 
  170.6700 	  168.5210 	-1.3	 pi-.FTFP_BERT.10.0 
  494.2100 	  502.7780 	 1.7	 pi-.FTFP_BERT.50.0 
   64.6174 	   66.6690 	 3.2	 pi-.FTFP_BERT.1.4 
  118.1000 	  123.6110 	 4.7	 pi-.FTFP_BERT.5.4 
  169.4890 	  165.8760 	-2.1	 pi-.FTFP_BERT.10.4 
  497.1740 	  505.5820 	 1.7	 pi-.FTFP_BERT.50.4 
   64.7356 	   66.7731 	 3.1	 pi-.QGSP_BERT.1.4 
  123.7120 	  117.3470 	-5.1	 pi-.QGSP_BERT.5.4 
  174.3960 	  168.5220 	-3.4	 pi-.QGSP_BERT.10.4 
  557.9920 	  524.3440 	-6.0	 pi-.QGSP_BERT.50.4 
  762.0380 	  766.6870 	 0.6	 pi-.QGSP_BIC.1.4 
  2588.5500 	  2574.1300 	-0.6	 pi-.QGSP_BIC.5.4 
  4428.4900 	  4385.8700 	-1.0	 pi-.QGSP_BIC.10.4 
  16511.5000 	  16526.2000 	 0.1	 pi-.QGSP_BIC.50.4 
   88.2796 	   87.0087 	-1.4	 anti_proton.FTFP_BERT.1.4 
  136.0420 	  136.9070 	 0.6	 anti_proton.FTFP_BERT.5.4 
  190.9960 	  182.1720 	-4.6	 anti_proton.FTFP_BERT.10.4 
  566.8120 	  545.8840 	-3.7	 anti_proton.FTFP_BERT.50.4 
   60.0558 	   62.5429 	 4.1	 proton.FTFP_BERT.1.4 
  136.3070 	  130.2730 	-4.4	 proton.FTFP_BERT.5.4 
  190.1410 	  188.5710 	-0.8	 proton.FTFP_BERT.10.4 
  588.0130 	  570.7190 	-2.9	 proton.FTFP_BERT.50.4 
  2079.0200 	  2047.2300 	-1.5	 pi-.FTFP_INCLXX.1.4 
  6626.9900 	  6343.5200 	-4.3	 pi-.FTFP_INCLXX.5.4 
  11608.3000 	  11427.9000 	-1.6	 pi-.FTFP_INCLXX.10.4 
  16752.8000 	  15669.2000 	-6.5	 pi-.FTFP_INCLXX.15.4 
  1735.2000 	  1720.4100 	-0.9	 proton.FTFP_INCLXX.1.4 
  7852.0900 	  7494.6400 	-4.6	 proton.FTFP_INCLXX.5.4 
  14077.3000 	  13384.8000 	-4.9	 proton.FTFP_INCLXX.10.4 
  19004.1000 	  18394.6000 	-3.2	 proton.FTFP_INCLXX.15.4 
  14765.2000 	  14763.3000 	-0.0	 proton.FTFP_BERT_HP.1.4 
  18870.5000 	  18904.8000 	 0.2	 proton.FTFP_BERT_HP.5.4 
  15296.4000 	  15217.6000 	-0.5	 proton.Shielding.1.4 
  21828.9000 	  21763.8000 	-0.3	 proton.Shielding.5.4 
  381.3750 	  381.8110 	 0.1	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
  665.7580 	  666.5870 	 0.1	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
  929.4590 	  927.2050 	-0.2	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
  2072.9700 	  2075.2800 	 0.1	 gamma.FTFP_BERT_EMZ_AugerOn.1.0