Table-A) CPU performance: 10.5.r08 vs 10.5.r08rr, re-built & re-run at the time of 10.5.r09 
Legend:
10.5.r08   = geant4-10-05-ref-08 
10.5.r08rr = geant4-10-05-ref-08 (rebuilt at the same time as 10.5.r09 & re-run)

Average (CPU Time)/Event: 10.5.r08  vs 10.5.r08rr
#----------------------------------------------------------------------------
#  105r08                  105r08rr              100*(rr-r08)/r08  sample
#
#  mean      error         mean      error       %diff error
#----------------------------------------------------------------------------
  263.1900   2.1875 	  258.2200   2.1533 	  -1.9  1.2	 higgs.FTFP_BERT.1400.4 
   15.2170   0.0778 	   14.9570   0.0795 	  -1.7  0.7	 e-100MeV.FTFP_BERT.100MeV.4 
   32.2010   0.2229 	   31.6350   0.2650 	  -1.8  1.1	 e-100MeV.Shielding.100MeV.4 
   96.2100   0.5860 	   96.4390   0.5492 	   0.2  0.8	 e-100MeV.Shielding_EMZ.100MeV.4 
    0.0142   0.0001 	    0.0140   0.0001 	  -1.4  1.0	 e-.FTFP_BERT.1.0 
    0.0710   0.0003 	    0.0701   0.0003 	  -1.3  0.6	 e-.FTFP_BERT.5.0 
    0.1419   0.0008 	    0.1401   0.0007 	  -1.3  0.7	 e-.FTFP_BERT.10.0 
    0.6765   0.0032 	    0.6694   0.0034 	  -1.0  0.7	 e-.FTFP_BERT.50.0 
    0.0183   0.0001 	    0.0179   0.0001 	  -2.2  0.8	 e-.FTFP_BERT.1.4 
    0.0914   0.0005 	    0.0900   0.0004 	  -1.5  0.7	 e-.FTFP_BERT.5.4 
    0.1830   0.0009 	    0.1800   0.0010 	  -1.6  0.7	 e-.FTFP_BERT.10.4 
    0.8824   0.0047 	    0.8694   0.0044 	  -1.5  0.7	 e-.FTFP_BERT.50.4 
    0.0249   0.0001 	    0.0244   0.0001 	  -2.0  0.6	 pi-.FTFP_BERT.1.0 
    0.1016   0.0005 	    0.0997   0.0004 	  -1.9  0.6	 pi-.FTFP_BERT.5.0 
    0.1903   0.0008 	    0.1871   0.0009 	  -1.7  0.6	 pi-.FTFP_BERT.10.0 
    0.8556   0.0050 	    0.8412   0.0045 	  -1.7  0.8	 pi-.FTFP_BERT.50.0 
    0.0277   0.0001 	    0.0272   0.0002 	  -1.8  0.8	 pi-.FTFP_BERT.1.4 
    0.1152   0.0005 	    0.1130   0.0006 	  -1.9  0.7	 pi-.FTFP_BERT.5.4 
    0.2195   0.0013 	    0.2156   0.0012 	  -1.8  0.8	 pi-.FTFP_BERT.10.4 
    1.0103   0.0052 	    0.9938   0.0061 	  -1.6  0.8	 pi-.FTFP_BERT.50.4 
    0.0278   0.0001 	    0.0272   0.0001 	  -2.2  0.5	 pi-.QGSP_BERT.1.4 
    0.1155   0.0006 	    0.1131   0.0006 	  -2.1  0.7	 pi-.QGSP_BERT.5.4 
    0.2199   0.0010 	    0.2155   0.0010 	  -2.0  0.6	 pi-.QGSP_BERT.10.4 
    1.0034   0.0050 	    0.9839   0.0046 	  -1.9  0.7	 pi-.QGSP_BERT.50.4 
    0.0281   0.0001 	    0.0276   0.0001 	  -1.8  0.5	 pi-.QGSP_BIC.1.4 
    0.1197   0.0005 	    0.1179   0.0005 	  -1.5  0.6	 pi-.QGSP_BIC.5.4 
    0.2253   0.0010 	    0.2215   0.0008 	  -1.7  0.6	 pi-.QGSP_BIC.10.4 
    1.0361   0.0051 	    1.0186   0.0052 	  -1.7  0.7	 pi-.QGSP_BIC.50.4 
    0.0644   0.0003 	    0.0633   0.0003 	  -1.7  0.7	 anti_proton.FTFP_BERT.1.4 
    0.1528   0.0008 	    0.1501   0.0009 	  -1.8  0.8	 anti_proton.FTFP_BERT.5.4 
    0.2574   0.0012 	    0.2530   0.0011 	  -1.7  0.6	 anti_proton.FTFP_BERT.10.4 
    1.0593   0.0056 	    1.0413   0.0056 	  -1.7  0.7	 anti_proton.FTFP_BERT.50.4 
    0.0189   0.0001 	    0.0185   0.0001 	  -2.1  0.7	 proton.FTFP_BERT.1.4 
    0.1127   0.0006 	    0.1105   0.0006 	  -2.0  0.7	 proton.FTFP_BERT.5.4 
    0.2222   0.0009 	    0.2183   0.0012 	  -1.8  0.7	 proton.FTFP_BERT.10.4 
    1.0280   0.0052 	    1.0114   0.0063 	  -1.6  0.8	 proton.FTFP_BERT.50.4 
    0.1202   0.0006 	    0.1213   0.0006 	   0.9  0.7	 pi-.FTFP_INCLXX.1.4 
    0.4046   0.0021 	    0.4075   0.0017 	   0.7  0.7	 pi-.FTFP_INCLXX.5.4 
    0.7366   0.0037 	    0.7416   0.0027 	   0.7  0.6	 pi-.FTFP_INCLXX.10.4 
    1.0507   0.0057 	    1.0558   0.0043 	   0.5  0.7	 pi-.FTFP_INCLXX.15.4 
    0.0965   0.0005 	    0.0975   0.0004 	   1.0  0.7	 proton.FTFP_INCLXX.1.4 
    0.4630   0.0025 	    0.4663   0.0017 	   0.7  0.7	 proton.FTFP_INCLXX.5.4 
    0.8390   0.0038 	    0.8439   0.0038 	   0.6  0.6	 proton.FTFP_INCLXX.10.4 
    1.1853   0.0060 	    1.1907   0.0052 	   0.5  0.7	 proton.FTFP_INCLXX.15.4 
    0.1425   0.0004 	    0.1418   0.0004 	  -0.5  0.4	 proton.FTFP_BERT_HP.1.4 
    0.7449   0.0021 	    0.7411   0.0019 	  -0.5  0.4	 proton.FTFP_BERT_HP.5.4 
    0.1550   0.0005 	    0.1541   0.0004 	  -0.6  0.4	 proton.Shielding.1.4 
    0.8349   0.0028 	    0.8302   0.0025 	  -0.6  0.4	 proton.Shielding.5.4 
    0.1624   0.0010 	    0.1615   0.0010 	  -0.6  0.9	 gamma.FTFP_BERT_EMZ_AugerOff.250MeV.0 
    0.2319   0.0018 	    0.2311   0.0013 	  -0.3  1.0	 gamma.FTFP_BERT_EMZ_AugerOn.250MeV.0 
    0.0620   0.0004 	    0.0616   0.0005 	  -0.6  1.0	 gamma.FTFP_BERT_EMZ_AugerOff.1.0 
    0.0898   0.0008 	    0.0895   0.0007 	  -0.3  1.2	 gamma.FTFP_BERT_EMZ_AugerOn.1.0