Table-A) CPU performance: 10.5.r04(rr) vs. 10.6.b00
Legend:
10.5.r04rr  = geant4-10-05-ref-04(re-build and re-run)
10.6.b00    = geant4-10-06-beta_cand-00 

Average (CPU Time)/Event: 10.5.r04rr  vs 10.5.r06c00
#----------------------------------------------------------------------------
#  105r04rr                106b00                100*(b00-r04rr)/r04rr  sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------
  268.3800   2.7948 	  278.0000   2.6273 	   3.6  1.5	 higgs.FTFP_BERT.1400.4 
   15.0560   0.1045 	   15.9230   0.0811 	   5.8  0.9	 e-100MeV.FTFP_BERT.100MeV.4 
   31.3660   0.1726 	   33.5390   0.1958 	   6.9  0.9	 e-100MeV.Shielding.100MeV.4 
   91.6930   0.6173 	   95.1800   0.3397 	   3.8  0.8	 e-100MeV.Shielding_EMZ.100MeV.4 
    0.0140   0.0001 	    0.0138   0.0001 	  -1.4  1.0	 e-.FTFP_BERT.1.0 
    0.0699   0.0004 	    0.0695   0.0005 	  -0.6  0.9	 e-.FTFP_BERT.5.0 
    0.1404   0.0008 	    0.1386   0.0008 	  -1.3  0.8	 e-.FTFP_BERT.10.0 
    0.6958   0.0055 	    0.6897   0.0053 	  -0.9  1.1	 e-.FTFP_BERT.50.0 
    0.0179   0.0001 	    0.0189   0.0001 	   5.6  0.8	 e-.FTFP_BERT.1.4 
    0.0899   0.0006 	    0.0943   0.0004 	   4.9  0.8	 e-.FTFP_BERT.5.4 
    0.1796   0.0011 	    0.1889   0.0010 	   5.2  0.9	 e-.FTFP_BERT.10.4 
    0.8915   0.0060 	    0.9412   0.0056 	   5.6  0.9	 e-.FTFP_BERT.50.4 
    0.0248   0.0001 	    0.0244   0.0001 	  -1.6  0.6	 pi-.FTFP_BERT.1.0 
    0.1019   0.0007 	    0.1003   0.0006 	  -1.6  0.9	 pi-.FTFP_BERT.5.0 
    0.1905   0.0012 	    0.1891   0.0011 	  -0.7  0.9	 pi-.FTFP_BERT.10.0 
    0.8724   0.0056 	    0.8679   0.0052 	  -0.5  0.9	 pi-.FTFP_BERT.50.0 
    0.0279   0.0001 	    0.0280   0.0001 	   0.4  0.5	 pi-.FTFP_BERT.1.4 
    0.1152   0.0006 	    0.1171   0.0004 	   1.6  0.6	 pi-.FTFP_BERT.5.4 
    0.2206   0.0011 	    0.2252   0.0011 	   2.1  0.7	 pi-.FTFP_BERT.10.4 
    1.0300   0.0063 	    1.0567   0.0054 	   2.6  0.8	 pi-.FTFP_BERT.50.4 
    0.0281   0.0002 	    0.0279   0.0001 	  -0.7  0.8	 pi-.QGSP_BERT.1.4 
    0.1158   0.0007 	    0.1166   0.0006 	   0.7  0.8	 pi-.QGSP_BERT.5.4 
    0.2217   0.0013 	    0.2237   0.0010 	   0.9  0.7	 pi-.QGSP_BERT.10.4 
    1.0254   0.0066 	    1.0461   0.0063 	   2.0  0.9	 pi-.QGSP_BERT.50.4 
    0.0275   0.0001 	    0.0279   0.0001 	   1.5  0.5	 pi-.QGSP_BIC.1.4 
    0.1166   0.0005 	    0.1182   0.0005 	   1.4  0.6	 pi-.QGSP_BIC.5.4 
    0.2216   0.0010 	    0.2261   0.0008 	   2.0  0.6	 pi-.QGSP_BIC.10.4 
    1.0373   0.0062 	    1.0661   0.0052 	   2.8  0.8	 pi-.QGSP_BIC.50.4 
    0.0647   0.0003 	    0.0662   0.0003 	   2.3  0.7	 anti_proton.FTFP_BERT.1.4 
    0.1531   0.0008 	    0.1553   0.0007 	   1.4  0.7	 anti_proton.FTFP_BERT.5.4 
    0.2595   0.0015 	    0.2632   0.0011 	   1.4  0.7	 anti_proton.FTFP_BERT.10.4 
    1.0804   0.0057 	    1.1046   0.0065 	   2.2  0.8	 anti_proton.FTFP_BERT.50.4 
    0.0187   0.0001 	    0.0187   0.0001 	   0.0  0.8	 proton.FTFP_BERT.1.4 
    0.1112   0.0006 	    0.1121   0.0005 	   0.8  0.7	 proton.FTFP_BERT.5.4 
    0.2217   0.0010 	    0.2235   0.0009 	   0.8  0.6	 proton.FTFP_BERT.10.4 
    1.0482   0.0063 	    1.0731   0.0057 	   2.4  0.8	 proton.FTFP_BERT.50.4 
    0.1180   0.0004 	    0.1180   0.0005 	   0.0  0.5	 pi-.FTFP_INCLXX.1.4 
    0.4008   0.0017 	    0.4044   0.0019 	   0.9  0.6	 pi-.FTFP_INCLXX.5.4 
    0.7249   0.0027 	    0.7320   0.0034 	   1.0  0.6	 pi-.FTFP_INCLXX.10.4 
    1.0414   0.0047 	    1.0353   0.0049 	  -0.6  0.7	 pi-.FTFP_INCLXX.15.4 
    0.0939   0.0005 	    0.0955   0.0004 	   1.7  0.7	 proton.FTFP_INCLXX.1.4 
    0.4540   0.0020 	    0.4606   0.0021 	   1.5  0.6	 proton.FTFP_INCLXX.5.4 
    0.8341   0.0035 	    0.8222   0.0036 	  -1.4  0.6	 proton.FTFP_INCLXX.10.4 
    1.1713   0.0059 	    1.1799   0.0058 	   0.7  0.7	 proton.FTFP_INCLXX.15.4 
    0.1428   0.0006 	    0.1420   0.0003 	  -0.6  0.5	 proton.FTFP_BERT_HP.1.4 
    0.7419   0.0025 	    0.7468   0.0021 	   0.7  0.4	 proton.FTFP_BERT_HP.5.4 
    0.1554   0.0010 	    0.1550   0.0004 	  -0.3  0.7	 proton.Shielding.1.4 
    0.8374   0.0057 	    0.8334   0.0024 	  -0.5  0.7	 proton.Shielding.5.4 
    0.1426   0.0006 	    0.1421   0.0008 	  -0.4  0.7	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
    0.2060   0.0012 	    0.2055   0.0010 	  -0.2  0.8	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
    0.0562   0.0004 	    0.0559   0.0003 	  -0.5  0.9	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
    0.0812   0.0005 	    0.0811   0.0005 	  -0.1  0.9	 gamma.FTFP_BERT_EMZ_AugerOn.1.0 
#----------------------------

Table-B) Total Memory : 10.5.r04 vs. 10.6.b00
#-----------------------------------------------------------------------------
# total        memory         100*(b00-r04)/r04 
# 105r04          106b00      %diff           sample
#-----------------------------------------------------------------------------
  4206.5100 	  4111.7900 	-2.3	 higgs.FTFP_BERT.1400.4 
  115.0340 	  115.8720 	 0.7	 e-100MeV.FTFP_BERT.100MeV.4 
  56240.8000 	  56254.7000 	 0.0	 e-100MeV.Shielding.100MeV.4 
  99573.1000 	  99583.8000 	 0.0	 e-100MeV.Shielding_EMZ.100MeV.4 
   46.5568 	   47.1491 	 1.3	 e-.FTFP_BERT.1.0 
   47.5633 	   48.4756 	 1.9	 e-.FTFP_BERT.5.0 
   48.8021 	   49.6370 	 1.7	 e-.FTFP_BERT.10.0 
   58.8537 	   60.4621 	 2.7	 e-.FTFP_BERT.50.0 
   46.5594 	   47.2925 	 1.6	 e-.FTFP_BERT.1.4 
   48.1181 	   48.4150 	 0.6	 e-.FTFP_BERT.5.4 
   49.0314 	   49.7995 	 1.6	 e-.FTFP_BERT.10.4 
   58.6101 	   61.5906 	 5.1	 e-.FTFP_BERT.50.4 
   66.3368 	   64.4394 	-2.9	 pi-.FTFP_BERT.1.0 
  123.0740 	  122.3320 	-0.6	 pi-.FTFP_BERT.5.0 
  170.6700 	  161.7800 	-5.2	 pi-.FTFP_BERT.10.0 
  494.2100 	  501.5110 	 1.5	 pi-.FTFP_BERT.50.0 
   64.6174 	   66.7991 	 3.4	 pi-.FTFP_BERT.1.4 
  118.1000 	  121.0910 	 2.5	 pi-.FTFP_BERT.5.4 
  169.4890 	  164.6960 	-2.8	 pi-.FTFP_BERT.10.4 
  497.1740 	  494.8340 	-0.5	 pi-.FTFP_BERT.50.4 
   64.7356 	   66.9018 	 3.3	 pi-.QGSP_BERT.1.4 
  123.7120 	  119.8670 	-3.1	 pi-.QGSP_BERT.5.4 
  174.3960 	  173.8310 	-0.3	 pi-.QGSP_BERT.10.4 
  557.9920 	  556.6780 	-0.2	 pi-.QGSP_BERT.50.4 
  762.0380 	  794.2730 	 4.2	 pi-.QGSP_BIC.1.4 
  2588.5500 	  2553.1900 	-1.4	 pi-.QGSP_BIC.5.4 
  4428.4900 	  4360.9700 	-1.5	 pi-.QGSP_BIC.10.4 
  16511.5000 	  16548.1000 	 0.2	 pi-.QGSP_BIC.50.4 
   88.2796 	   85.7364 	-2.9	 anti_proton.FTFP_BERT.1.4 
  136.0420 	  134.1600 	-1.4	 anti_proton.FTFP_BERT.5.4 
  190.9960 	  183.2660 	-4.0	 anti_proton.FTFP_BERT.10.4 
  566.8120 	  554.4660 	-2.2	 anti_proton.FTFP_BERT.50.4 
   60.0558 	   60.4707 	 0.7	 proton.FTFP_BERT.1.4 
  136.3070 	  128.6740 	-5.6	 proton.FTFP_BERT.5.4 
  190.1410 	  187.1850 	-1.6	 proton.FTFP_BERT.10.4 
  588.0130 	  586.8180 	-0.2	 proton.FTFP_BERT.50.4 
  2079.0200 	  2121.7400 	 2.1	 pi-.FTFP_INCLXX.1.4 
  6626.9900 	  6720.6700 	 1.4	 pi-.FTFP_INCLXX.5.4 
  11608.3000 	  11747.1000 	 1.2	 pi-.FTFP_INCLXX.10.4 
  16752.8000 	  16184.0000 	-3.4	 pi-.FTFP_INCLXX.15.4 
  1735.2000 	  1748.2100 	 0.7	 proton.FTFP_INCLXX.1.4 
  7852.0900 	  7926.4600 	 0.9	 proton.FTFP_INCLXX.5.4 
  14077.3000 	  13831.1000 	-1.7	 proton.FTFP_INCLXX.10.4 
  19004.1000 	  19469.9000 	 2.5	 proton.FTFP_INCLXX.15.4 
  14765.2000 	  14754.8000 	-0.1	 proton.FTFP_BERT_HP.1.4 
  18870.5000 	  18773.7000 	-0.5	 proton.FTFP_BERT_HP.5.4 
  15296.4000 	  15205.8000 	-0.6	 proton.Shielding.1.4 
  21828.9000 	  21796.1000 	-0.2	 proton.Shielding.5.4 
  381.3750 	  381.2100 	-0.0	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
  665.7580 	  670.0300 	 0.6	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
  929.4590 	  926.7190 	-0.3	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
  2072.9700 	  2077.6700 	 0.2	 gamma.FTFP_BERT_EMZ_AugerOn.1.0