105b869fe2 = revision "right before" Mihaly's commits
105cf274b0 = revision that contains Mihaly's commits (G4PhysicsVector::Value)

SimplifiedCalo
#----------------------------------------------------------------------------
#  105b869fe2         105cf274b0      100*(cf274b0-b869fe2)/b869fe2  sample
#
#  mean    error      mean     error    %diff error
#----------------------------------------------------------------------------
 314.2600  2.7550   313.2100   2.6415   -0.3  1.2    higgs.FTFP_BERT.1400.4 
  17.8560  0.1266    17.6960   0.1079   -0.9  0.9    e-100MeV.FTFP_BERT.100MeV.4 
   0.0212  0.0001     0.0210   0.0001   -0.9  0.7    e-.FTFP_BERT.1.4 
   1.0580  0.0069     1.0458   0.0058   -1.2  0.8    e-.FTFP_BERT.50.4 
   0.0321  0.0002     0.0320   0.0001   -0.3  0.7    pi-.FTFP_BERT.1.4 
   1.1989  0.0071     1.1900   0.0064   -0.7  0.8    pi-.FTFP_BERT.50.4 
   0.0216  0.0001     0.0215   0.0001   -0.5  0.7    proton.FTFP_BERT.1.4 
   1.2210  0.0065     1.2160   0.0062   -0.4  0.7    proton.FTFP_BERT.50.4
#----------------------------------------------------------------------------

Results of cachegrind runs on AMD Opteron(tm) Processor 6134 (2300MHz, 512 KB cache size):

A1) SimplifiedCalo : e-.FTFP_BERT.50.4 (200 events) 

1) Total instruction
before:  308,373,824,856
after:   307,522,902,852
%change: -0.3% (improvement)

2) G4PhysicsVector::Value
before:  8,278,981,738
after:   6,819,122,132
%change: -17.6% (improvement)

3) However, the total (overall) D1mr (Level 1 data miss read) is worse
before:  3,973,083,012
after:   4,241,566,199
%change: 6.7% (degradation)

Detailed cachegrind summary:
10.5.b869fe2 ("before")
10.5.cf274b0 ("after") 

A2) cmsExp : e-.FTFP_BERT.50.4 (100 events) 

1) Total instruction
before:  457,755,643,507
after:   455,422,146,304
%change: -0.5% (improvement)

2) G4PhysicsVector::Value
before:   11,886,888,268
after:     7,268,687,577
%change: -38.9% (improvement)

Detailed cachegrind summary:
10.5.b869fe2 ("before")
10.5.cf274b0 ("after")