Principal Variation Search

[andtsa]

No description provided.

[github-actions]

Search benchmark results:

search_bench/ngm_full_depth_3
                        time:   [377.31 µs 378.16 µs 379.08 µs]
                        change: [+30.512% +32.040% +33.194%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 2 outliers among 100 measurements (2.00%)
  1 (1.00%) high mild
  1 (1.00%) high severe
search_bench/ngm_full_depth_4
                        time:   [509.04 µs 509.79 µs 510.70 µs]
                        change: [+45.420% +45.924% +46.351%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 6 outliers among 100 measurements (6.00%)
  3 (3.00%) high mild
  3 (3.00%) high severe
search_bench/ngm_full_depth_5
                        time:   [614.92 µs 617.83 µs 621.88 µs]
                        change: [+46.666% +47.603% +48.866%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 9 outliers among 100 measurements (9.00%)
  3 (3.00%) high mild
  6 (6.00%) high severe
search_bench/ngm_full_depth_6
                        time:   [723.68 µs 725.39 µs 727.74 µs]
                        change: [+48.334% +48.819% +49.277%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 15 outliers among 100 measurements (15.00%)
  6 (6.00%) low mild
  5 (5.00%) high mild
  4 (4.00%) high severe

[github-actions]

Evaluation benchmark results:

eval_bench/eval_full    time:   [585.88 µs 586.32 µs 586.83 µs]
                        change: [+4.4271% +4.6378% +4.8624%] (p = 0.00 < 0.05)
                        Change within noise threshold.
Found 9 outliers among 100 measurements (9.00%)
  1 (1.00%) high mild
  8 (8.00%) high severe

board_setup
  Instructions:                3645 (-2.068780%)
  L1 Accesses:                 4786 (-2.920892%)
  L2 Accesses:                   11 (-50.00000%)
  RAM Accesses:                 127 (+4.958678%)
  Estimated Cycles:            9286 (+0.118598%)

move_gen
  Instructions:                5719 (-10.59872%)
  L1 Accesses:                 7602 (-10.73274%)
  L2 Accesses:                   15 (-48.27586%)
  RAM Accesses:                 198 (-8.333333%)
  Estimated Cycles:           14607 (-9.950065%)

evaluation_benches
  Instructions:                7409 (-15.02466%)
  L1 Accesses:                 9861 (-13.99791%)
  L2 Accesses:                   21 (-34.37500%)
  RAM Accesses:                 251 (-9.712230%)
  Estimated Cycles:           18751 (-12.19798%)

blackbox_evaluation_benches
  Instructions:                7415 (-14.97535%)
  L1 Accesses:                 9873 (-13.94579%)
  L2 Accesses:                   21 (-34.37500%)
  RAM Accesses:                 251 (-9.386282%)
  Estimated Cycles:           18763 (-12.02644%)

[github-actions]

MoveGen benchmark results:

move_gen_bench/unordered
                        time:   [746.79 µs 747.91 µs 749.56 µs]
                        change: [+0.3853% +0.7038% +0.9974%] (p = 0.00 < 0.05)
                        Change within noise threshold.
Found 12 outliers among 100 measurements (12.00%)
  3 (3.00%) low mild
  3 (3.00%) high mild
  6 (6.00%) high severe
move_gen_bench/ordered  time:   [1.0402 ms 1.0416 ms 1.0431 ms]
                        change: [+20.526% +21.233% +21.998%] (p = 0.00 < 0.05)
                        Performance has regressed.
Found 10 outliers among 100 measurements (10.00%)
  5 (5.00%) high mild
  5 (5.00%) high severe

lib_move_gen
  Instructions:                4205 (-66.79826%)
  L1 Accesses:                 5552 (-66.55825%)
  L2 Accesses:                   18 (-73.91304%)
  RAM Accesses:                 170 (-62.30599%)
  Estimated Cycles:           11592 (-64.58512%)

unordered_move_gen
  Instructions:                5683 (-61.54939%)
  L1 Accesses:                 7536 (-61.23856%)
  L2 Accesses:                   26 (-58.73016%)
  RAM Accesses:                 187 (-61.75869%)
  Estimated Cycles:           14211 (-61.45856%)

ordered_move_gen
  Instructions:                8162 (-48.13826%)
  L1 Accesses:                10974 (-47.03157%)
  L2 Accesses:                   18 (-72.30769%)
  RAM Accesses:                 227 (-54.78088%)
  Estimated Cycles:           19009 (-50.77047%)

blackbox_ordered_move_gen
  Instructions:                8164 (-48.13215%)
  L1 Accesses:                10979 (-47.02022%)
  L2 Accesses:                   17 (-73.43750%)
  RAM Accesses:                 227 (-54.78088%)
  Estimated Cycles:           19009 (-50.77047%)