run       base       test     diff
  1    6589225    6612322   +23097
  2    6727885    6740138   +12253
  3    6732494    6739011    +6517
  4    6674262    6699587   +25325
  5    6707257    6742533   +35276
  6    6719648    6750559   +30911
  7    6711026    6750314   +39288
  8    6697253    6733924   +36671
  9    6693382    6708898   +15516
 10    6675596    6732810   +57214
 11    6694178    6702252    +8074
 12    6691580    6739714   +48134
 13    6693409    6734806   +41397
 14    6714219    6772186   +57967
 15    6687011    6736417   +49406
 16    6713681    6747274   +33593
 17    6680770    6736938   +56168
 18    6688114    6701922   +13808
 19    6699296    6742570   +43274
 20    6700688    6729502   +28814

Result of  20 runs
==================
base (...nni512-gcc13) =    6694549  +/- 12935
test (...nni512-gcc14) =    6727684  +/- 14309
diff                   =     +33135  +/- 7159

speedup        = +0.0049
P(speedup > 0) =  1.0000

CPU: 10 x Intel(R) Xeon(R) w5-2445
Hyperthreading: on