CHA problems: 45   metric: halvings per evaluation = log2(w0/xtol)/nfev  (bisection = 1.0)

problem           CH nfev  CH h/ev  gate ok%  ours nfev  ours h/ev  forced%
fun1.1                  8    4.983    100.0%         25      1.595    20.0%
fun1.2                 12    3.586     55.6%         47      0.916    93.6%
fun1.3                 15    3.099     41.7%         50      0.930    94.0%
fun1.4                 24    2.256     33.3%         58      0.934    93.1%
fun1.5                 44    1.684     17.1%         78      0.950    84.6%
fun2.1                  9    4.431     66.7%         12      3.323    25.0%
fun2.2                 23    2.311     25.0%         57      0.932    94.7%
fun2.3                 29    2.062     19.2%         63      0.949    95.2%
fun2.4                 42    1.740     10.3%         77      0.949    77.9%
fun2.5                 49    1.627     10.9%         83      0.961    65.1%
fun3.1                 44    0.959      0.0%         46      0.917    93.5%
fun3.2                 46    0.961      0.0%         48      0.921    93.8%
fun3.3                 61    0.888      8.6%         58      0.934    65.5%
fun3.4                 69    0.881     13.6%         64      0.950    65.6%
fun3.5                 82    0.903      7.6%         58      1.277     1.7%
fun4.1                 44    0.959      0.0%         46      0.917    93.5%
fun4.2                 46    0.961      0.0%         48      0.921    93.8%
fun4.3                 56    0.967      5.7%         58      0.934    75.9%
fun4.4                 67    0.907      7.8%         64      0.950    51.6%
fun4.5                 80    0.926      5.2%         78      0.950    51.3%
fun5.1                 44    0.959      0.0%         46      0.917    93.5%
fun5.2                 44    0.970      0.0%         46      0.928    93.5%
fun5.3                 45    0.963      0.0%         47      0.922    93.6%
fun5.4                 47    0.971      0.0%         49      0.932    93.9%
fun5.5                 48    0.972      0.0%         50      0.933    94.0%
fun6.1                 44    0.959      0.0%         46      0.917    93.5%
fun6.2                 44    0.970      0.0%         46      0.928    93.5%
fun6.3                 45    0.963      0.0%         47      0.922    91.5%
fun6.4                 47    0.971      0.0%         49      0.932    91.8%
fun6.5                 48    0.972      0.0%         50      0.933    92.0%
fun7.1                  8    5.273     40.0%          9      4.687    66.7%
fun7.2                  8    5.334     40.0%          8      5.334    62.5%
fun7.3                 11    3.938     37.5%         10      4.332    70.0%
fun7.4                 18    2.536     40.0%         13      3.511    53.8%
fun7.5                 19    2.455     43.8%         13      3.588    38.5%
fun8.1                 10    4.086     71.4%         44      0.929    93.2%
fun8.2                 11    3.768     62.5%         45      0.921    93.3%
fun8.3                 13    3.310     60.0%         47      0.916    93.6%
fun8.4                 14    3.187     45.5%         48      0.930    93.8%
fun8.5                 15    3.080     41.7%         36      1.283    63.9%
fun9.1                  8    4.983    100.0%         16      2.491    25.0%
fun9.2                  9    4.605     83.3%         45      0.921    93.3%
fun9.3                 11    3.912     62.5%         47      0.916    93.6%
fun9.4                 13    3.432     60.0%         48      0.930    93.8%
fun9.5                 14    3.300     45.5%         50      0.924    94.0%

mirror fidelity: OK
totals (failures charged 200): Chandrupatla 1488, ours 2073
halvings per evaluation: Chandrupatla 2.310, ours 1.422
Chandrupatla accepted the model on 28.0% of steps (the rest it REFUSED and halved)
our safeguard had to repair 77.5% of evaluations