Feat: Switched to copy make.

[Jan-Frase]

     Running benches/criterion_perft.rs (target/release/deps/criterion_perft-34430b451a7464cd)
Gnuplot not found, using plotters backend
starting pos, depth: 3/starting pos, depth: 3
                        time:   [2.6289 ms 2.6465 ms 2.6658 ms]
                        thrpt:  [3.3393 Melem/s 3.3637 Melem/s 3.3862 Melem/s]
                 change:
                        time:   [−0.1479% +0.7854% +1.7754%] (p = 0.12 > 0.05)
                        thrpt:  [−1.7444% −0.7793% +0.1481%]
                        No change in performance detected.
Found 8 outliers among 100 measurements (8.00%)
  7 (7.00%) high mild
  1 (1.00%) high severe

position 2, depth: 3/position 2, depth: 3
                        time:   [26.423 ms 26.685 ms 26.986 ms]
                        thrpt:  [3.6263 Melem/s 3.6673 Melem/s 3.7037 Melem/s]
                 change:
                        time:   [−0.2261% +0.9854% +2.2757%] (p = 0.13 > 0.05)
                        thrpt:  [−2.2251% −0.9758% +0.2266%]
                        No change in performance detected.
Found 6 outliers among 100 measurements (6.00%)
  3 (3.00%) high mild
  3 (3.00%) high severe

position 3, depth: 4/position 3, depth: 4
                        time:   [15.736 ms 15.880 ms 16.068 ms]
                        thrpt:  [2.6909 Melem/s 2.7229 Melem/s 2.7477 Melem/s]
                 change:
                        time:   [−0.4802% +0.7017% +1.9928%] (p = 0.30 > 0.05)
                        thrpt:  [−1.9538% −0.6968% +0.4825%]
                        No change in performance detected.
Found 11 outliers among 100 measurements (11.00%)
  5 (5.00%) high mild
  6 (6.00%) high severe

position 4, depth: 3/position 4, depth: 3
                        time:   [2.5633 ms 2.5937 ms 2.6283 ms]
                        thrpt:  [3.6019 Melem/s 3.6500 Melem/s 3.6933 Melem/s]
                 change:
                        time:   [−1.9194% −0.4637% +1.0826%] (p = 0.54 > 0.05)
                        thrpt:  [−1.0710% +0.4659% +1.9570%]
                        No change in performance detected.
Found 13 outliers among 100 measurements (13.00%)
  4 (4.00%) high mild
  9 (9.00%) high severe

position 5, depth: 3/position 5, depth: 3
                        time:   [18.614 ms 18.737 ms 18.882 ms]
                        thrpt:  [3.3037 Melem/s 3.3292 Melem/s 3.3511 Melem/s]
                 change:
                        time:   [−1.8430% −0.5306% +0.7776%] (p = 0.44 > 0.05)
                        thrpt:  [−0.7716% +0.5334% +1.8776%]
                        No change in performance detected.
Found 12 outliers among 100 measurements (12.00%)
  7 (7.00%) high mild
  5 (5.00%) high severe

position 6, depth: 3/position 6, depth: 3
                        time:   [21.245 ms 21.378 ms 21.536 ms]
                        thrpt:  [4.1740 Melem/s 4.2048 Melem/s 4.2312 Melem/s]
                 change:
                        time:   [−2.8857% −2.0926% −1.2321%] (p = 0.00 < 0.05)
                        thrpt:  [+1.2474% +2.1373% +2.9714%]
                        Performance has improved.
Found 12 outliers among 100 measurements (12.00%)
  7 (7.00%) high mild
  5 (5.00%) high severe

General make unmake/General make unmake
                        time:   [1.8130 µs 1.8220 µs 1.8326 µs]
                        thrpt:  [26.192 Melem/s 26.344 Melem/s 26.475 Melem/s]
                 change:
                        time:   [+34.203% +36.134% +37.912%] (p = 0.00 < 0.05)
                        thrpt:  [−27.490% −26.543% −25.486%]
                        Performance has regressed.
Found 12 outliers among 100 measurements (12.00%)
  3 (3.00%) high mild
  9 (9.00%) high severe

Move gen/Move gen       time:   [2.9369 µs 2.9575 µs 2.9831 µs]
                        thrpt:  [16.090 Melem/s 16.230 Melem/s 16.344 Melem/s]
                 change:
                        time:   [−7.3631% −5.2152% −3.3056%] (p = 0.00 < 0.05)
                        thrpt:  [+3.4186% +5.5021% +7.9483%]
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  6 (6.00%) high mild
  5 (5.00%) high severe

     Running benches/iai_perft.rs (target/release/deps/iai_perft-ffafc7003d202720)

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

     Running benches/manual_perft.rs (target/release/deps/manual_perft-c8612232fcf64ca8)
Name: "starting pos", Nps: 3196477.
Name: "position 2", Nps: 3213787.
Name: "position 3", Nps: 2940741.
Name: "position 4", Nps: 3274616.
Name: "position 5", Nps: 3514318.
Name: "position 6", Nps: 4008746.

Total nodes: 16046250
Total time: 4.7s
Total nodes per second: 3398182

[Jan-Frase]

Final bench compared to master:

     Running benches/criterion_perft.rs (target/release/deps/criterion_perft-b6a3841c7b9f1fec)
Gnuplot not found, using plotters backend
Benchmarking starting pos, depth: 3/starting pos, depth: 3: Warming up for 3.0000 s
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase target time to 6.8s, enable flat sampling, or reduce sample count to 60.
starting pos, depth: 3/starting pos, depth: 3
                        time:   [1.3454 ms 1.3498 ms 1.3550 ms]
                        thrpt:  [6.5699 Melem/s 6.5950 Melem/s 6.6166 Melem/s]
                 change:
                        time:   [−21.472% −19.191% −16.549%] (p = 0.00 < 0.05)
                        thrpt:  [+19.831% +23.748% +27.343%]
                        Performance has improved.
Found 9 outliers among 100 measurements (9.00%)
  3 (3.00%) high mild
  6 (6.00%) high severe

position 2, depth: 3/position 2, depth: 3
                        time:   [14.105 ms 14.217 ms 14.351 ms]
                        thrpt:  [6.8190 Melem/s 6.8837 Melem/s 6.9383 Melem/s]
                 change:
                        time:   [−18.053% −17.139% −16.169%] (p = 0.00 < 0.05)
                        thrpt:  [+19.288% +20.684% +22.031%]
                        Performance has improved.
Found 10 outliers among 100 measurements (10.00%)
  3 (3.00%) high mild
  7 (7.00%) high severe

position 3, depth: 4/position 3, depth: 4
                        time:   [8.5019 ms 8.5456 ms 8.5922 ms]
                        thrpt:  [5.0323 Melem/s 5.0597 Melem/s 5.0857 Melem/s]
                 change:
                        time:   [−21.996% −20.779% −19.638%] (p = 0.00 < 0.05)
                        thrpt:  [+24.437% +26.230% +28.198%]
                        Performance has improved.
Found 1 outliers among 100 measurements (1.00%)
  1 (1.00%) high mild

Benchmarking position 4, depth: 3/position 4, depth: 3: Warming up for 3.0000 s
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase target time to 6.8s, enable flat sampling, or reduce sample count to 60.
position 4, depth: 3/position 4, depth: 3
                        time:   [1.3391 ms 1.3453 ms 1.3519 ms]
                        thrpt:  [7.0025 Melem/s 7.0373 Melem/s 7.0696 Melem/s]
                 change:
                        time:   [−21.290% −18.328% −15.615%] (p = 0.00 < 0.05)
                        thrpt:  [+18.504% +22.441% +27.049%]
                        Performance has improved.
Found 9 outliers among 100 measurements (9.00%)
  2 (2.00%) high mild
  7 (7.00%) high severe

position 5, depth: 3/position 5, depth: 3
                        time:   [9.9206 ms 9.9597 ms 10.003 ms]
                        thrpt:  [6.2361 Melem/s 6.2631 Melem/s 6.2878 Melem/s]
                 change:
                        time:   [−19.477% −18.832% −18.209%] (p = 0.00 < 0.05)
                        thrpt:  [+22.262% +23.201% +24.188%]
                        Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
  5 (5.00%) high mild
  2 (2.00%) high severe

position 6, depth: 3/position 6, depth: 3
                        time:   [10.832 ms 10.873 ms 10.922 ms]
                        thrpt:  [8.2303 Melem/s 8.2675 Melem/s 8.2989 Melem/s]
                 change:
                        time:   [−19.800% −19.322% −18.816%] (p = 0.00 < 0.05)
                        thrpt:  [+23.178% +23.950% +24.688%]
                        Performance has improved.
Found 13 outliers among 100 measurements (13.00%)
  8 (8.00%) high mild
  5 (5.00%) high severe

General make unmake/General make unmake
                        time:   [806.51 ns 808.07 ns 810.04 ns]
                        thrpt:  [59.256 Melem/s 59.401 Melem/s 59.515 Melem/s]
                 change:
                        time:   [−4.8671% −3.7449% −2.8103%] (p = 0.00 < 0.05)
                        thrpt:  [+2.8916% +3.8906% +5.1161%]
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  1 (1.00%) low severe
  6 (6.00%) high mild
  4 (4.00%) high severe

Move gen/Move gen       time:   [1.6329 µs 1.6380 µs 1.6441 µs]
                        thrpt:  [29.196 Melem/s 29.303 Melem/s 29.395 Melem/s]
                 change:
                        time:   [−11.828% −11.031% −10.219%] (p = 0.00 < 0.05)
                        thrpt:  [+11.382% +12.398% +13.414%]
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  5 (5.00%) high mild
  6 (6.00%) high severe

     Running benches/iai_perft.rs (target/release/deps/iai_perft-e7acfa1cdcbb5816)
starting_perft
  Instructions:            17521684 (+0.177925%)
  L1 Accesses:             23527376 (+0.133793%)
  L2 Accesses:                  207 (-1.895735%)
  RAM Accesses:                 647 (No change)
  Estimated Cycles:        23551056 (+0.133573%)

position_2_perft
  Instructions:           171464530 (+0.182425%)
  L1 Accesses:            228018652 (+0.145130%)
  L2 Accesses:                  173 (-1.142857%)
  RAM Accesses:                 730 (+0.137174%)
  Estimated Cycles:       228045067 (+0.145124%)

position_3_perft
  Instructions:            94271485 (+0.162376%)
  L1 Accesses:            123794664 (+0.137269%)
  L2 Accesses:                  187 (No change)
  RAM Accesses:                 596 (-0.167504%)
  Estimated Cycles:       123816459 (+0.137217%)

position_4_perft
  Instructions:            16423850 (+0.210038%)
  L1 Accesses:             22041645 (+0.164031%)
  L2 Accesses:                  142 (No change)
  RAM Accesses:                 559 (No change)
  Estimated Cycles:        22061920 (+0.163880%)

position_5_perft
  Instructions:           118717752 (+0.497934%)
  L1 Accesses:            157301947 (+0.458847%)
  L2 Accesses:                  171 (-1.724138%)
  RAM Accesses:                 656 (+0.152672%)
  Estimated Cycles:       157325762 (+0.458790%)

position_6_perft
  Instructions:           137866116 (+0.220112%)
  L1 Accesses:            185918347 (+0.173439%)
  L2 Accesses:                  182 (+1.111111%)
  RAM Accesses:                 712 (No change)
  Estimated Cycles:       185944177 (+0.173420%)

     Running benches/manual_perft.rs (target/release/deps/manual_perft-9567a8160fedb079)
Name: "starting pos", Nps: 6673789.
Name: "position 2", Nps: 7116376.
Name: "position 3", Nps: 5233514.
Name: "position 4", Nps: 6005354.
Name: "position 5", Nps: 6958134.
Name: "position 6", Nps: 8274551.

Total nodes: 16046250
Total time: 2.3s
Total nodes per second: 7051938