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  1. Nov 21, 2020
    • Pierre-Yves David's avatar
      copies-rust: add smarter approach for merging small mapping with large mapping · bc57e7a8d500
      Pierre-Yves David authored
      The current approach (finding the smaller updated set) works great when the
      mapping have similar size, but do a lot of unnecessary work when one side is
      tinier than the other one. So we do better in theses cases. See inline
      documentation for details.
      
      It give a sizeable boost to many of out slower cases:
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      ---------------------------------------------------------------------------------------------------------------------------------------------------------------
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,  18.123103 s,   5.693818 s, -12.429285 s, × 0.3142,    15 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,  17.907312 s,   5.677655 s, -12.229657 s, × 0.3171,    15 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,  17.684797 s,   5.563370 s, -12.121427 s, × 0.3146,    15 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   2.881471 s,   2.864099 s,  -0.017372 s, × 0.9940,    14 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  63.148971 s,  59.498652 s,  -3.650319 s, × 0.9422,   155 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  63.148971 s,  59.498652 s,  -3.650319 s, × 0.9422,   155 µs/rev
      
      
      ideally, the im-rs object would have a `merge` method, but it does not (yet)
      
      Full timing comparison below (they are one pathological case than become even
      worse, for unclear reason).
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      ---------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000043 s,   0.000042 s,  -0.000001 s, × 0.9767,    42 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000105 s,   0.000104 s,  -0.000001 s, × 0.9905,    17 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.004895 s,   0.004913 s,  +0.000018 s, × 1.0037,     4 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000194 s,   0.000191 s,  -0.000003 s, × 0.9845,    21 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000050 s,   0.000050 s,  +0.000000 s, × 1.0000,    50 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000115 s,   0.000112 s,  -0.000003 s, × 0.9739,    16 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.000289 s,   0.000288 s,  -0.000001 s, × 0.9965,   288 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.010513 s,   0.010411 s,  -0.000102 s, × 0.9903,  1735 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.051474 s,   0.052852 s,  +0.001378 s, × 1.0268,    11 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.088086 s,   0.092828 s,  +0.004742 s, × 1.0538,    13 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.062176 s,   0.063269 s,  +0.001093 s, × 1.0176,    11 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43645 revs,   0.720950 s,   0.711975 s,  -0.008975 s, × 0.9876,    16 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :      2 revs,   0.012897 s,   0.012771 s,  -0.000126 s, × 0.9902,  6385 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.121524 s,   0.124505 s,  +0.002981 s, × 1.0245,    11 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000082 s,   0.000082 s,  +0.000000 s, × 1.0000,    41 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000109 s,   0.000111 s,  +0.000002 s, × 1.0183,    55 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000175 s,   0.000171 s,  -0.000004 s, × 0.9771,    57 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.000719 s,   0.000708 s,  -0.000011 s, × 0.9847,    78 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.010426 s,   0.010608 s,  +0.000182 s, × 1.0175,     7 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.015712 s,   0.015635 s,  -0.000077 s, × 0.9951,    10 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.077353 s,   0.072072 s,  -0.005281 s, × 0.9317,    12 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  66949 revs,   0.673930 s,   0.682732 s,  +0.008802 s, × 1.0131,    10 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000089 s,   0.000090 s,  +0.000001 s, × 1.0112,    45 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000212 s,   0.000210 s,  -0.000002 s, × 0.9906,    26 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000183 s,   0.000182 s,  -0.000001 s, × 0.9945,    20 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.000595 s,   0.000594 s,  -0.000001 s, × 0.9983,    84 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.003117 s,   0.003102 s,  -0.000015 s, × 0.9952,  1034 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.060197 s,   0.060234 s,  +0.000037 s, × 1.0006, 10039 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.006379 s,   0.006300 s,  -0.000079 s, × 0.9876,     3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.005008 s,   0.004817 s,  -0.000191 s, × 0.9619,   117 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.065123 s,   0.065451 s,  +0.000328 s, × 1.0050,     8 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.026404 s,   0.026282 s,  -0.000122 s, × 0.9954,    42 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.203456 s,   0.206873 s,  +0.003417 s, × 1.0168,     6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,   1.929809 s,   1.935918 s,  +0.006109 s, × 1.0032,    12 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 204976 revs,   2.825064 s,   2.827320 s,  +0.002256 s, × 1.0008,    13 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.000857 s,   0.000842 s,  -0.000015 s, × 0.9825,   421 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.000870 s,   0.000870 s,  +0.000000 s, × 1.0000,   435 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000161 s,   0.000165 s,  +0.000004 s, × 1.0248,    41 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001147 s,   0.001145 s,  -0.000002 s, × 0.9983,   572 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.026640 s,   0.026500 s,  -0.000140 s, × 0.9947, 26500 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.059849 s,   0.059407 s,  -0.000442 s, × 0.9926,  9901 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.006326 s,   0.006325 s,  -0.000001 s, × 0.9998,     3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.005188 s,   0.005171 s,  -0.000017 s, × 0.9967,   126 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.067633 s,   0.066837 s,  -0.000796 s, × 0.9882,    10 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.306969 s,   0.314252 s,  +0.007283 s, × 1.0237,     7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.293370 s,   0.304160 s,  +0.010790 s, × 1.0368,     7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.087159 s,   0.089223 s,  +0.002064 s, × 1.0237,    10 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.027251 s,   0.026711 s,  -0.000540 s, × 0.9802,    43 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   3.010011 s,   3.243010 s,  +0.232999 s, × 1.0774,    33 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   0.753434 s,   0.756500 s,  +0.003066 s, × 1.0041,    14 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,  18.123103 s,   5.693818 s, -12.429285 s, × 0.3142,    15 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.583206 s,   0.590904 s,  +0.007698 s, × 1.0132,    17 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,  17.907312 s,   5.677655 s, -12.229657 s, × 0.3171,    15 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,  17.684797 s,   5.563370 s, -12.121427 s, × 0.3146,    15 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   2.881471 s,   2.864099 s,  -0.017372 s, × 0.9940,    14 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 101.062002 s, 113.297287 s, +12.235285 s, × 1.1211,   494 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  63.148971 s,  59.498652 s,  -3.650319 s, × 0.9422,   155 µs/rev
      
      Differential Revision: https://phab.mercurial-scm.org/D9491
      bc57e7a8d500
    • Pierre-Yves David's avatar
      copies-rust: hide most of the comparison details inside a closure · 176552e7fea0
      Pierre-Yves David authored
      The function that compares values needs various supporting elements that are
      the same for each call. We are about to both make change to these element and
      change to call sites in our upcoming work. So abstracting most of the details
      will help to avoid conflict while these works happen in parallel.
      
      Differential Revision: https://phab.mercurial-scm.org/D9426
      176552e7fea0
    • Pierre-Yves David's avatar
      copies-rust: move the mapping merging into a else clause · 42e2904a791d
      Pierre-Yves David authored
      We are going to add more cases, to it is time to stop using early returns and to
      move everything in a single if/elif/else block for clarity.
      
      Differential Revision: https://phab.mercurial-scm.org/D9425
      42e2904a791d
    • Pierre-Yves David's avatar
      copies-rust: extract conflicting value comparison in its own function · d982f5293c42
      Pierre-Yves David authored
      First, that logic is complicated enough to be in it own function. Second, we
      want to start adding alternative path within the merge code so we need this logic
      easily accessible in multiple places.
      
      Differential Revision: https://phab.mercurial-scm.org/D9424
      d982f5293c42
  2. Nov 20, 2020
    • Pierre-Yves David's avatar
      copies: no longer cache the ChangedFiles during copy tracing · bdb26c73017e
      Pierre-Yves David authored
      Now that the copies information for both parents are processed all at once, we
      no longer needs to cache this information, so we simplify the code.
      
      
      The simpler code is also a (tiny) bit faster overall.
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      ---------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000041 s,   0.000041 s,  +0.000000 s, × 1.0000,    41 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000102 s,   0.000096 s,  -0.000006 s, × 0.9412,    16 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.004254 s,   0.004039 s,  -0.000215 s, × 0.9495,     3 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000282 s,   0.000189 s,  -0.000093 s, × 0.6702,    21 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000048 s,   0.000047 s,  -0.000001 s, × 0.9792,    47 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000211 s,   0.000103 s,  -0.000108 s, × 0.4882,    14 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.000375 s,   0.000286 s,  -0.000089 s, × 0.7627,   286 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.010574 s,   0.010436 s,  -0.000138 s, × 0.9869,  1739 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.049974 s,   0.047465 s,  -0.002509 s, × 0.9498,     9 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.084300 s,   0.082351 s,  -0.001949 s, × 0.9769,    12 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.060128 s,   0.058757 s,  -0.001371 s, × 0.9772,    10 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43645 revs,   0.686542 s,   0.674129 s,  -0.012413 s, × 0.9819,    15 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :      2 revs,   0.009277 s,   0.009434 s,  +0.000157 s, × 1.0169,  4717 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.114733 s,   0.111935 s,  -0.002798 s, × 0.9756,     9 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000081 s,   0.000078 s,  -0.000003 s, × 0.9630,    39 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000107 s,   0.000106 s,  -0.000001 s, × 0.9907,    53 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000173 s,   0.000162 s,  -0.000011 s, × 0.9364,    54 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.000698 s,   0.000695 s,  -0.000003 s, × 0.9957,    77 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.009248 s,   0.008901 s,  -0.000347 s, × 0.9625,     6 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.015446 s,   0.014333 s,  -0.001113 s, × 0.9279,     9 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.074373 s,   0.071998 s,  -0.002375 s, × 0.9681,    12 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  66949 revs,   0.639870 s,   0.615346 s,  -0.024524 s, × 0.9617,     9 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000088 s,   0.000085 s,  -0.000003 s, × 0.9659,    42 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000199 s,   0.000199 s,  +0.000000 s, × 1.0000,    24 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000171 s,   0.000169 s,  -0.000002 s, × 0.9883,    18 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.000592 s,   0.000590 s,  -0.000002 s, × 0.9966,    84 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.003151 s,   0.003122 s,  -0.000029 s, × 0.9908,  1040 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.061612 s,   0.061192 s,  -0.000420 s, × 0.9932, 10198 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005381 s,   0.005137 s,  -0.000244 s, × 0.9547,     3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.003742 s,   0.003585 s,  -0.000157 s, × 0.9580,    87 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.061983 s,   0.060592 s,  -0.001391 s, × 0.9776,     7 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.019861 s,   0.019596 s,  -0.000265 s, × 0.9867,    31 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.188101 s,   0.183558 s,  -0.004543 s, × 0.9758,     6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,   1.806696 s,   1.758083 s,  -0.048613 s, × 0.9731,    11 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 204976 revs,   2.682987 s,   2.592955 s,  -0.090032 s, × 0.9664,    12 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.000852 s,   0.000844 s,  -0.000008 s, × 0.9906,   422 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.000859 s,   0.000861 s,  +0.000002 s, × 1.0023,   430 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000150 s,   0.000150 s,  +0.000000 s, × 1.0000,    37 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001158 s,   0.001166 s,  +0.000008 s, × 1.0069,   583 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.027240 s,   0.027359 s,  +0.000119 s, × 1.0044, 27359 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.062824 s,   0.061848 s,  -0.000976 s, × 0.9845, 10308 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005463 s,   0.005110 s,  -0.000353 s, × 0.9354,     3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.004238 s,   0.004168 s,  -0.000070 s, × 0.9835,   101 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.064113 s,   0.063414 s,  -0.000699 s, × 0.9891,     9 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.294063 s,   0.288301 s,  -0.005762 s, × 0.9804,     7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.281493 s,   0.275798 s,  -0.005695 s, × 0.9798,     7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.076323 s,   0.074640 s,  -0.001683 s, × 0.9779,     8 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.020390 s,   0.020327 s,  -0.000063 s, × 0.9969,    33 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   3.023879 s,   2.970385 s,  -0.053494 s, × 0.9823,    30 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   0.735549 s,   0.719432 s,  -0.016117 s, × 0.9781,    13 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,  18.568900 s,  18.165143 s,  -0.403757 s, × 0.9783,    49 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.502584 s,   0.486769 s,  -0.015815 s, × 0.9685,    14 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,  18.356645 s,  17.913924 s,  -0.442721 s, × 0.9759,    49 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,  18.250393 s,  17.660113 s,  -0.590280 s, × 0.9677,    49 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   2.792459 s,   2.709446 s,  -0.083013 s, × 0.9703,    14 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 107.697264 s, 107.796891 s,  +0.099627 s, × 1.0009,   470 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  63.961040 s,  63.575217 s,  -0.385823 s, × 0.9940,   166 µs/rev
      
      Differential Revision: https://phab.mercurial-scm.org/D9423
      bdb26c73017e
  3. Nov 23, 2020
    • Pierre-Yves David's avatar
      copies: iterate over children directly (instead of parents) · 3c12b324e48e
      Pierre-Yves David authored
      Before this change we would gather all parent → child edges and iterate on
      all parent, gathering copy information for children and aggregating them from
      there.
      
      They are not strict requirement for edges to be processed in that specific
      order. We could also simply iterate over all "children" revision and aggregate
      data from both parents at the same time. This patch does that.
      
      It make various things simpler:
      
       * since both parents are processed at the same time, we no longer need to
         cache data for merge (see next changeset for details),
      
       * we no longer need nested loop to process data,
      
       * we no longer need to store partial merge data for a rev from distinct loop
         interaction to another when processing merges,
      
       * we no longer need to build a full parent -> children mapping (we only rely on
         a simpler "parent -> number of children" map (for memory efficiency),
      
       * the data access pattern is now simpler (from lower revisions to higher
         revisions) and entirely predicable. That predictability open the way to
         prefetching and parallel processing.
      
      So that new iterations order requires simpler code and open the way to
      interesting optimisation.
      
      The effect on performance is quite good. In the worse case, we don't see any
      significant negative impact. And in the best case, the reduction of roundtrip
      to Python provide us with a significant speed. Some example below:
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      ---------------------------------------------------------------------------------------------------------------------------------------------------------------
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.962867 s,   0.502584 s,  -0.460283 s, × 0.5220,    14 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.110717 s,   0.076323 s,  -0.034394 s, × 0.6894,     8 µs/rev
      
      
      
      # full comparison between the previous changeset and this one
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      ---------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000048 s,   0.000041 s,  -0.000007 s, × 0.8542,    41 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000153 s,   0.000102 s,  -0.000051 s, × 0.6667,    17 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.004209 s,   0.004254 s,  +0.000045 s, × 1.0107,     4 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000203 s,   0.000282 s,  +0.000079 s, × 1.3892,    31 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000059 s,   0.000048 s,  -0.000011 s, × 0.8136,    48 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000194 s,   0.000211 s,  +0.000017 s, × 1.0876,    30 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.000380 s,   0.000375 s,  -0.000005 s, × 0.9868,   375 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.010588 s,   0.010574 s,  -0.000014 s, × 0.9987,  1762 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.048961 s,   0.049974 s,  +0.001013 s, × 1.0207,    10 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.083612 s,   0.084300 s,  +0.000688 s, × 1.0082,    12 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.058579 s,   0.060128 s,  +0.001549 s, × 1.0264,    11 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43645 revs,   0.736783 s,   0.686542 s,  -0.050241 s, × 0.9318,    15 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :      2 revs,   0.022050 s,   0.009277 s,  -0.012773 s, × 0.4207,  4638 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.120800 s,   0.114733 s,  -0.006067 s, × 0.9498,    10 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000140 s,   0.000081 s,  -0.000059 s, × 0.5786,    40 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000114 s,   0.000107 s,  -0.000007 s, × 0.9386,    53 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000224 s,   0.000173 s,  -0.000051 s, × 0.7723,    57 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.000723 s,   0.000698 s,  -0.000025 s, × 0.9654,    77 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.009665 s,   0.009248 s,  -0.000417 s, × 0.9569,     6 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.014820 s,   0.015446 s,  +0.000626 s, × 1.0422,    10 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.076049 s,   0.074373 s,  -0.001676 s, × 0.9780,    12 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  66949 revs,   0.683603 s,   0.639870 s,  -0.043733 s, × 0.9360,     9 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000161 s,   0.000088 s,  -0.000073 s, × 0.5466,    44 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000234 s,   0.000199 s,  -0.000035 s, × 0.8504,    24 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000247 s,   0.000171 s,  -0.000076 s, × 0.6923,    19 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.000630 s,   0.000592 s,  -0.000038 s, × 0.9397,    84 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.003286 s,   0.003151 s,  -0.000135 s, × 0.9589,  1050 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.062441 s,   0.061612 s,  -0.000829 s, × 0.9867, 10268 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005423 s,   0.005381 s,  -0.000042 s, × 0.9923,     3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.005919 s,   0.003742 s,  -0.002177 s, × 0.6322,    91 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.062597 s,   0.061983 s,  -0.000614 s, × 0.9902,     7 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.043551 s,   0.019861 s,  -0.023690 s, × 0.4560,    32 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.192475 s,   0.188101 s,  -0.004374 s, × 0.9773,     6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,   1.955575 s,   1.806696 s,  -0.148879 s, × 0.9239,    11 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 204976 revs,   2.886501 s,   2.682987 s,  -0.203514 s, × 0.9295,    13 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.001181 s,   0.000852 s,  -0.000329 s, × 0.7214,   426 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.001189 s,   0.000859 s,  -0.000330 s, × 0.7225,   429 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000563 s,   0.000150 s,  -0.000413 s, × 0.2664,    37 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001548 s,   0.001158 s,  -0.000390 s, × 0.7481,   579 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.027782 s,   0.027240 s,  -0.000542 s, × 0.9805, 27240 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.062781 s,   0.062824 s,  +0.000043 s, × 1.0007, 10470 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.005778 s,   0.005463 s,  -0.000315 s, × 0.9455,     3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :     41 revs,   0.006192 s,   0.004238 s,  -0.001954 s, × 0.6844,   103 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.065391 s,   0.064113 s,  -0.001278 s, × 0.9805,     9 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.317216 s,   0.294063 s,  -0.023153 s, × 0.9270,     7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.303119 s,   0.281493 s,  -0.021626 s, × 0.9287,     7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :   8598 revs,   0.110717 s,   0.076323 s,  -0.034394 s, × 0.6894,     8 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :    615 revs,   0.045739 s,   0.020390 s,  -0.025349 s, × 0.4458,    33 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   3.098021 s,   3.023879 s,  -0.074142 s, × 0.9761,    31 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   0.771480 s,   0.735549 s,  -0.035931 s, × 0.9534,    14 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,  18.813422 s,  18.568900 s,  -0.244522 s, × 0.9870,    51 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c :  34414 revs,   0.962867 s,   0.502584 s,  -0.460283 s, × 0.5220,    14 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,  18.684923 s,  18.356645 s,  -0.328278 s, × 0.9824,    50 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,  18.296305 s,  18.250393 s,  -0.045912 s, × 0.9975,    50 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   3.061887 s,   2.792459 s,  -0.269428 s, × 0.9120,    14 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 103.869641 s, 107.697264 s,  +3.827623 s, × 1.0369,   470 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 382065 revs,  64.262957 s,  63.961040 s,  -0.301917 s, × 0.9953,   167 µs/rev
      
      Differential Revision: https://phab.mercurial-scm.org/D9422
      3c12b324e48e
  4. Dec 03, 2020
  5. Dec 07, 2020
  6. Nov 28, 2020
  7. Dec 06, 2020
  8. Nov 20, 2020
  9. Nov 12, 2020
    • Pierre-Yves David's avatar
      copies-rust: parse the changed-file sidedata directly in rust · e0313b0a6f7e
      Pierre-Yves David authored
      It does not make much sense to parse the data into python object using slow
      python code to later turn them into rust object. We directly pass the binary
      blob and use it directly in Rust.
      
      Ideally we could directly read the sidedata in Rust, using a revlog in Rust.
      However we do not have this ready to use yet.
      
      This more direct approach provides a nice speedup over the board. Especially five
      cases that we previously too slow to return in the previous changeset are not
      able to finish.
      
      Notably, we are now significantly faster than the Python version of this code in
      all the meaningful cases.
      
      I looked at the various cases that remains significantly slower then the filelog
      version and they are currently 3 main source of slowness:
      
      * The isancestor computation: even if we cache them, if the revs spawn over a
        large amount of history the ancestry checking is still quite expensive. Using
        a different approach more centered on the graph we are currently considering
        might yield significant speed.
      
      * Merging of the map from the two parents: in some case, this climb up to ⅔ of
        the time spent in copy tracing. See inline comment for idea to handle this
        better.
      
      * Extracting data from the filelog. I would like to think this mostly comes from
        the fact my test repositories pre-date Valentin Gatien-Baron improvement of
        the `files` field (99ebde4fec99) and that more recent revisions will be faster
        to fetch. Further testing on this aspect is needed.
      
      This revision compared to the previous one:
      ===========================================
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  old time    new time      Difference    Factor    time per rev
      --------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000047 s,   0.000049 s,  +0.000002 s, × 1.0426,    49 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000181 s,   0.000114 s,  -0.000067 s, × 0.6298,    19 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.005852 s,   0.004223 s,  -0.001629 s, × 0.7216,     4 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000229 s,   0.000305 s,  +0.000076 s, × 1.3319,    33 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000058 s,   0.000060 s,  +0.000002 s, × 1.0345,    60 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000146 s,   0.000173 s,  +0.000027 s, × 1.1849,    24 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.001206 s,   0.000446 s,  -0.000760 s, × 0.3698,   446 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.025275 s,   0.010360 s,  -0.014915 s, × 0.4099,  1726 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.080303 s,   0.048002 s,  -0.032301 s, × 0.5978,    10 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.152641 s,   0.075705 s,  -0.076936 s, × 0.4960,    11 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.099107 s,   0.056705 s,  -0.042402 s, × 0.5722,    10 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43646 revs,   2.137894 s,   0.794685 s,  -1.343209 s, × 0.3717,    18 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :  26389 revs,   0.022202 s,   0.020209 s,  -0.001993 s, × 0.9102,     0 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.228946 s,   0.122475 s,  -0.106471 s, × 0.5350,    10 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000186 s,   0.000142 s,  -0.000044 s, × 0.7634,    71 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000133 s,   0.000113 s,  -0.000020 s, × 0.8496,    56 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000320 s,   0.000241 s,  -0.000079 s, × 0.7531,    80 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.001339 s,   0.000729 s,  -0.000610 s, × 0.5444,    81 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.015694 s,   0.010198 s,  -0.005496 s, × 0.6498,     7 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.018457 s,   0.015312 s,  -0.003145 s, × 0.8296,     9 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.111691 s,   0.060517 s,  -0.051174 s, × 0.5418,    10 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  67005 revs,   1.166017 s,   0.611102 s,  -0.554915 s, × 0.5241,     9 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000197 s,   0.000164 s,  -0.000033 s, × 0.8325,    82 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000626 s,   0.000334 s,  -0.000292 s, × 0.5335,    41 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000303 s,   0.000463 s,  +0.000160 s, × 1.5281,    51 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.001679 s,   0.000730 s,  -0.000949 s, × 0.4348,   104 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.006947 s,   0.003522 s,  -0.003425 s, × 0.5070,  1174 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.133070 s,   0.072518 s,  -0.060552 s, × 0.5450, 12086 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.008705 s,   0.005760 s,  -0.002945 s, × 0.6617,     3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.005913 s,   0.005720 s,  -0.000193 s, × 0.9674,     0 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.101373 s,   0.063310 s,  -0.038063 s, × 0.6245,     8 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   0.046526 s,   0.043608 s,  -0.002918 s, × 0.9373,     0 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.313954 s,   0.204831 s,  -0.109123 s, × 0.6524,     6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,   3.367395 s,   2.161906 s,  -1.205489 s, × 0.6420,    14 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 210546 revs,   4.691820 s,   3.291831 s,  -1.399989 s, × 0.7016,    15 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.001199 s,   0.001213 s,  +0.000014 s, × 1.0117,   606 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.001216 s,   0.001225 s,  +0.000009 s, × 1.0074,   612 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000613 s,   0.000564 s,  -0.000049 s, × 0.9201,   141 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001906 s,   0.001549 s,  -0.000357 s, × 0.8127,   774 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.092766 s,   0.035918 s,  -0.056848 s, × 0.3872, 35918 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.136074 s,   0.073788 s,  -0.062286 s, × 0.5423, 12298 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.009067 s,   0.006151 s,  -0.002916 s, × 0.6784,     3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.006243 s,   0.006165 s,  -0.000078 s, × 0.9875,     0 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.114463 s,   0.065421 s,  -0.049042 s, × 0.5715,     9 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.433683 s,   0.313749 s,  -0.119934 s, × 0.7235,     7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.411278 s,   0.297867 s,  -0.113411 s, × 0.7242,     7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :  54487 revs,   0.155133 s,   0.111300 s,  -0.043833 s, × 0.7174,     2 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   0.048933 s,   0.046202 s,  -0.002731 s, × 0.9442,     1 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   8.100385 s,   1.999640 s,  -6.100745 s, × 0.2469,    20 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   1.446720 s,   0.809134 s,  -0.637586 s, × 0.5593,    15 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs, killed      ,  47.406785 s,             ,         ,   130 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c : 444327 revs,   1.369537 s,   0.996219 s,  -0.373318 s, × 0.7274,     2 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs, killed      ,  47.273399 s,             ,         ,   130 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs, killed      ,  47.419099 s,             ,         ,   131 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,   5.186079 s,   3.512653 s,  -1.673426 s, × 0.6773,    18 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 237259 revs, killed      ,  44.459049 s,             ,         ,   187 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 391148 revs, killed      ,  52.837926 s,             ,         ,   135 µs/rev
      
      This revision compared to the python code:
      ==========================================
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  Python-Time  Rust-Time    Difference    Factor    time per rev
      --------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000044 s,   0.000049 s,  +0.000005 s, × 1.1136,    49 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.000138 s,   0.000114 s,  -0.000024 s, × 0.8261,    19 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.005052 s,   0.004223 s,  -0.000829 s, × 0.8359,     4 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.000219 s,   0.000305 s,  +0.000086 s, × 1.3927,    33 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.000055 s,   0.000060 s,  +0.000005 s, × 1.0909,    60 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.000128 s,   0.000173 s,  +0.000045 s, × 1.3516,    24 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.001089 s,   0.000446 s,  -0.000643 s, × 0.4096,   446 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.017407 s,   0.010360 s,  -0.007047 s, × 0.5952,  1726 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   0.094175 s,   0.048002 s,  -0.046173 s, × 0.5097,    10 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   0.238009 s,   0.075705 s,  -0.162304 s, × 0.3181,    11 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   0.125876 s,   0.056705 s,  -0.069171 s, × 0.4505,    10 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43646 revs,   3.581556 s,   0.794685 s,  -2.786871 s, × 0.2219,    18 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :  26389 revs,   0.016721 s,   0.020209 s,  +0.003488 s, × 1.2086,     0 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   0.242367 s,   0.122475 s,  -0.119892 s, × 0.5053,    10 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.000165 s,   0.000142 s,  -0.000023 s, × 0.8606,    71 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.000114 s,   0.000113 s,  -0.000001 s, × 0.9912,    56 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.000296 s,   0.000241 s,  -0.000055 s, × 0.8142,    80 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.001124 s,   0.000729 s,  -0.000395 s, × 0.6486,    81 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.013060 s,   0.010198 s,  -0.002862 s, × 0.7809,     7 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.017112 s,   0.015312 s,  -0.001800 s, × 0.8948,     9 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.660350 s,   0.060517 s,  -0.599833 s, × 0.0916,    10 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  67005 revs,  10.032499 s,   0.611102 s,  -9.421397 s, × 0.0609,     9 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.000189 s,   0.000164 s,  -0.000025 s, × 0.8677,    82 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.000462 s,   0.000334 s,  -0.000128 s, × 0.7229,    41 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.000270 s,   0.000463 s,  +0.000193 s, × 1.7148,    51 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.001474 s,   0.000730 s,  -0.000744 s, × 0.4953,   104 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.004806 s,   0.003522 s,  -0.001284 s, × 0.7328,  1174 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.085150 s,   0.072518 s,  -0.012632 s, × 0.8517, 12086 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.007064 s,   0.005760 s,  -0.001304 s, × 0.8154,     3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.004741 s,   0.005720 s,  +0.000979 s, × 1.2065,     0 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   0.190133 s,   0.063310 s,  -0.126823 s, × 0.3330,     8 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   0.035651 s,   0.043608 s,  +0.007957 s, × 1.2232,     0 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   0.440694 s,   0.204831 s,  -0.235863 s, × 0.4648,     6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,  18.454163 s,   2.161906 s, -16.292257 s, × 0.1172,    14 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 210546 revs,  31.562719 s,   3.291831 s, -28.270888 s, × 0.1043,    15 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.001189 s,   0.001213 s,  +0.000024 s, × 1.0202,   606 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.001204 s,   0.001225 s,  +0.000021 s, × 1.0174,   612 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.000586 s,   0.000564 s,  -0.000022 s, × 0.9625,   141 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.001845 s,   0.001549 s,  -0.000296 s, × 0.8396,   774 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   0.063822 s,   0.035918 s,  -0.027904 s, × 0.5628, 35918 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   0.088038 s,   0.073788 s,  -0.014250 s, × 0.8381, 12298 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.007389 s,   0.006151 s,  -0.001238 s, × 0.8325,     3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.004868 s,   0.006165 s,  +0.001297 s, × 1.2664,     0 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   0.222450 s,   0.065421 s,  -0.157029 s, × 0.2941,     9 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.370675 s,   0.313749 s,  -0.056926 s, × 0.8464,     7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.358020 s,   0.297867 s,  -0.060153 s, × 0.8320,     7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :  54487 revs,   0.145235 s,   0.111300 s,  -0.033935 s, × 0.7663,     2 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   0.037606 s,   0.046202 s,  +0.008596 s, × 1.2286,     1 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   7.382439 s,   1.999640 s,  -5.382799 s, × 0.2709,    20 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   7.273506 s,   0.809134 s,  -6.464372 s, × 0.1112,    15 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs, killed      ,  47.406785 s,             ,         ,   130 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c : 444327 revs,   1.074593 s,   0.996219 s,  -0.078374 s, × 0.9271,     2 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs, killed      ,  47.273399 s,             ,         ,   130 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs, killed      ,  47.419099 s,             ,         ,   131 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,  27.746195 s,   3.512653 s, -24.233542 s, × 0.1266,    18 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 237259 revs, killed      ,  44.459049 s,             ,         ,   187 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 391148 revs, killed      ,  52.837926 s,             ,         ,   135 µs/rev
      
      
      This revision compared to the filelog algorithm:
      ================================================
      
      Repo            Case                                  Source-Rev   Dest-Rev      # of revisions  filelog     sidedata      Difference    Factor    time per rev
      --------------------------------------------------------------------------------------------------------------------------------------------------------------
      mercurial       x_revs_x_added_0_copies               ad6b123de1c7 39cfcef4f463 :      1 revs,   0.000906 s,   0.000049 s,  -0.000857 s, × 0.0540,     48 µs/rev
      mercurial       x_revs_x_added_x_copies               2b1c78674230 0c1d10351869 :      6 revs,   0.001844 s,   0.000114 s,  -0.001730 s, × 0.0618,     18 µs/rev
      mercurial       x000_revs_x000_added_x_copies         81f8ff2a9bf2 dd3267698d84 :   1032 revs,   0.018577 s,   0.004223 s,  -0.014354 s, × 0.2273,      4 µs/rev
      pypy            x_revs_x_added_0_copies               aed021ee8ae8 099ed31b181b :      9 revs,   0.005009 s,   0.000305 s,  -0.004704 s, × 0.0608,     33 µs/rev
      pypy            x_revs_x000_added_0_copies            4aa4e1f8e19a 359343b9ac0e :      1 revs,   0.209606 s,   0.000060 s,  -0.209546 s, × 0.0002,     59 µs/rev
      pypy            x_revs_x_added_x_copies               ac52eb7bbbb0 72e022663155 :      7 revs,   0.017008 s,   0.000173 s,  -0.016835 s, × 0.0101,     24 µs/rev
      pypy            x_revs_x00_added_x_copies             c3b14617fbd7 ace7255d9a26 :      1 revs,   0.019227 s,   0.000446 s,  -0.018781 s, × 0.0231,    445 µs/rev
      pypy            x_revs_x000_added_x000_copies         df6f7a526b60 a83dc6a2d56f :      6 revs,   0.765782 s,   0.010360 s,  -0.755422 s, × 0.0135,   1726 µs/rev
      pypy            x000_revs_xx00_added_0_copies         89a76aede314 2f22446ff07e :   4785 revs,   1.186068 s,   0.048002 s,  -1.138066 s, × 0.0404,     10 µs/rev
      pypy            x000_revs_x000_added_x_copies         8a3b5bfd266e 2c68e87c3efe :   6780 revs,   1.266745 s,   0.075705 s,  -1.191040 s, × 0.0597,     11 µs/rev
      pypy            x000_revs_x000_added_x000_copies      89a76aede314 7b3dda341c84 :   5441 revs,   1.666389 s,   0.056705 s,  -1.609684 s, × 0.0340,     10 µs/rev
      pypy            x0000_revs_x_added_0_copies           d1defd0dc478 c9cb1334cc78 :  43646 revs,   0.001070 s,   0.794685 s,  +0.793615 s, × 742.69,     18 µs/rev
      pypy            x0000_revs_xx000_added_0_copies       bf2c629d0071 4ffed77c095c :  26389 revs,   1.076269 s,   0.020209 s,  -1.056060 s, × 0.0187,      0 µs/rev
      pypy            x0000_revs_xx000_added_x000_copies    08ea3258278e d9fa043f30c0 :  11316 revs,   1.355085 s,   0.122475 s,  -1.232610 s, × 0.0903,     10 µs/rev
      netbeans        x_revs_x_added_0_copies               fb0955ffcbcd a01e9239f9e7 :      2 revs,   0.028551 s,   0.000142 s,  -0.028409 s, × 0.0049,     70 µs/rev
      netbeans        x_revs_x000_added_0_copies            6f360122949f 20eb231cc7d0 :      2 revs,   0.157319 s,   0.000113 s,  -0.157206 s, × 0.0007,     56 µs/rev
      netbeans        x_revs_x_added_x_copies               1ada3faf6fb6 5a39d12eecf4 :      3 revs,   0.025722 s,   0.000241 s,  -0.025481 s, × 0.0093,     80 µs/rev
      netbeans        x_revs_x00_added_x_copies             35be93ba1e2c 9eec5e90c05f :      9 revs,   0.053374 s,   0.000729 s,  -0.052645 s, × 0.0136,     80 µs/rev
      netbeans        x000_revs_xx00_added_0_copies         eac3045b4fdd 51d4ae7f1290 :   1421 revs,   0.038146 s,   0.010198 s,  -0.027948 s, × 0.2673,      7 µs/rev
      netbeans        x000_revs_x000_added_x_copies         e2063d266acd 6081d72689dc :   1533 revs,   0.229215 s,   0.015312 s,  -0.213903 s, × 0.0668,      9 µs/rev
      netbeans        x000_revs_x000_added_x000_copies      ff453e9fee32 411350406ec2 :   5750 revs,   0.974484 s,   0.060517 s,  -0.913967 s, × 0.0621,     10 µs/rev
      netbeans        x0000_revs_xx000_added_x000_copies    588c2d1ced70 1aad62e59ddd :  67005 revs,   3.924308 s,   0.611102 s,  -3.313206 s, × 0.1557,      9 µs/rev
      mozilla-central x_revs_x_added_0_copies               3697f962bb7b 7015fcdd43a2 :      2 revs,   0.035563 s,   0.000164 s,  -0.035399 s, × 0.0046,     81 µs/rev
      mozilla-central x_revs_x000_added_0_copies            dd390860c6c9 40d0c5bed75d :      8 revs,   0.145766 s,   0.000334 s,  -0.145432 s, × 0.0022,     41 µs/rev
      mozilla-central x_revs_x_added_x_copies               8d198483ae3b 14207ffc2b2f :      9 revs,   0.026283 s,   0.000463 s,  -0.025820 s, × 0.0176,     51 µs/rev
      mozilla-central x_revs_x00_added_x_copies             98cbc58cc6bc 446a150332c3 :      7 revs,   0.087403 s,   0.000730 s,  -0.086673 s, × 0.0083,    104 µs/rev
      mozilla-central x_revs_x000_added_x000_copies         3c684b4b8f68 0a5e72d1b479 :      3 revs,   0.209484 s,   0.003522 s,  -0.205962 s, × 0.0168,   1173 µs/rev
      mozilla-central x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   2.197867 s,   0.072518 s,  -2.125349 s, × 0.0329,  12084 µs/rev
      mozilla-central x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.090142 s,   0.005760 s,  -0.084382 s, × 0.0638,      3 µs/rev
      mozilla-central x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.742658 s,   0.005720 s,  -0.736938 s, × 0.0077,      0 µs/rev
      mozilla-central x000_revs_x000_added_x000_copies      7c97034feb78 4407bd0c6330 :   7839 revs,   1.166159 s,   0.063310 s,  -1.102849 s, × 0.0542,      8 µs/rev
      mozilla-central x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   6.721719 s,   0.043608 s,  -6.678111 s, × 0.0064,      0 µs/rev
      mozilla-central x0000_revs_xx000_added_x000_copies    f78c615a656c 96a38b690156 :  30263 revs,   3.356523 s,   0.204831 s,  -3.151692 s, × 0.0610,      6 µs/rev
      mozilla-central x00000_revs_x0000_added_x0000_copies  6832ae71433c 4c222a1d9a00 : 153721 revs,  15.880822 s,   2.161906 s, -13.718916 s, × 0.1361,     14 µs/rev
      mozilla-central x00000_revs_x00000_added_x000_copies  76caed42cf7c 1daa622bbe42 : 210546 revs,  20.781275 s,   3.291831 s, -17.489444 s, × 0.1584,     15 µs/rev
      mozilla-try     x_revs_x_added_0_copies               aaf6dde0deb8 9790f499805a :      2 revs,   0.084165 s,   0.001213 s,  -0.082952 s, × 0.0144,    606 µs/rev
      mozilla-try     x_revs_x000_added_0_copies            d8d0222927b4 5bb8ce8c7450 :      2 revs,   0.503744 s,   0.001225 s,  -0.502519 s, × 0.0024,    612 µs/rev
      mozilla-try     x_revs_x_added_x_copies               092fcca11bdb 936255a0384a :      4 revs,   0.021545 s,   0.000564 s,  -0.020981 s, × 0.0261,    140 µs/rev
      mozilla-try     x_revs_x00_added_x_copies             b53d2fadbdb5 017afae788ec :      2 revs,   0.240699 s,   0.001549 s,  -0.239150 s, × 0.0064,    774 µs/rev
      mozilla-try     x_revs_x000_added_x000_copies         20408ad61ce5 6f0ee96e21ad :      1 revs,   1.100682 s,   0.035918 s,  -1.064764 s, × 0.0326,  35882 µs/rev
      mozilla-try     x_revs_x0000_added_x0000_copies       effb563bb7e5 c07a39dc4e80 :      6 revs,   2.234809 s,   0.073788 s,  -2.161021 s, × 0.0330,  12295 µs/rev
      mozilla-try     x000_revs_xx00_added_0_copies         6100d773079a 04a55431795e :   1593 revs,   0.091222 s,   0.006151 s,  -0.085071 s, × 0.0674,      3 µs/rev
      mozilla-try     x000_revs_x000_added_x_copies         9f17a6fc04f9 2d37b966abed :   8315 revs,   0.764722 s,   0.006165 s,  -0.758557 s, × 0.0080,      0 µs/rev
      mozilla-try     x000_revs_x000_added_x000_copies      1346fd0130e4 4c65cbdabc1f :   6657 revs,   1.185655 s,   0.065421 s,  -1.120234 s, × 0.0551,      9 µs/rev
      mozilla-try     x0000_revs_x_added_0_copies           63519bfd42ee a36a2a865d92 :  40314 revs,   0.089736 s,   0.313749 s,  +0.224013 s, × 3.4963,      7 µs/rev
      mozilla-try     x0000_revs_x_added_x_copies           9fe69ff0762d bcabf2a78927 :  38690 revs,   0.084132 s,   0.297867 s,  +0.213735 s, × 3.5404,      7 µs/rev
      mozilla-try     x0000_revs_xx000_added_x_copies       156f6e2674f2 4d0f2c178e66 :  54487 revs,   7.581932 s,   0.111300 s,  -7.470632 s, × 0.0146,      2 µs/rev
      mozilla-try     x0000_revs_xx000_added_0_copies       9eec5917337d 67118cc6dcad :  45299 revs,   6.671144 s,   0.046202 s,  -6.624942 s, × 0.0069,      1 µs/rev
      mozilla-try     x0000_revs_xx000_added_x000_copies    89294cd501d9 7ccb2fc7ccb5 :  97052 revs,   7.674771 s,   1.999640 s,  -5.675131 s, × 0.2605,     20 µs/rev
      mozilla-try     x0000_revs_x0000_added_x0000_copies   e928c65095ed e951f4ad123a :  52031 revs,   9.870343 s,   0.809134 s,  -9.061209 s, × 0.0819,     15 µs/rev
      mozilla-try     x00000_revs_x_added_0_copies          6a320851d377 1ebb79acd503 : 363753 revs,   0.094781 s,  47.406785 s, +47.312004 s, × 500.17,    130 µs/rev
      mozilla-try     x00000_revs_x00000_added_0_copies     dc8a3ca7010e d16fde900c9c : 444327 revs,  26.690029 s,   0.996219 s, -25.693810 s, × 0.0373,      2 µs/rev
      mozilla-try     x00000_revs_x_added_x_copies          5173c4b6f97c 95d83ee7242d : 362229 revs,   0.094941 s,  47.273399 s, +47.178458 s, × 497.92,    130 µs/rev
      mozilla-try     x00000_revs_x000_added_x_copies       9126823d0e9c ca82787bb23c : 359344 revs,   0.233811 s,  47.419099 s, +47.185288 s, × 202.80,    131 µs/rev
      mozilla-try     x00000_revs_x0000_added_x0000_copies  8d3fafa80d4b eb884023b810 : 192665 revs,  19.321750 s,   3.512653 s, -15.809097 s, × 0.1817,     18 µs/rev
      mozilla-try     x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 237259 revs,  21.358350 s,  44.459049 s, +23.100699 s, × 2.0815,    187 µs/rev
      mozilla-try     x00000_revs_x00000_added_x000_copies  9b2a99adc05e 8e29777b48e6 : 391148 revs,  25.328737 s,  52.837926 s, +27.509189 s, × 2.0860,    135 µs/rev
      
      Differential Revision: https://phab.mercurial-scm.org/D9307
      e0313b0a6f7e
  10. Dec 01, 2020
  11. Dec 07, 2020
    • Matt Harbison's avatar
      hg: add user-site to `sys.path` on Windows to allow pip-installed extensions · 7740d5102760
      Matt Harbison authored
      This has been in the TortoiseHg builds for several cycles now on Windows, and
      even longer on macOS.  It allows an extension to be configured with `ext =`
      syntax, instead of requiring the full path to be specified.  It's confusing for
      a user to be hit with messages about not being able to load extensions, based
      solely on which `hg.exe` is being run.
      
      This only applies to py2exe binaries, since wrapper.exe already sees into the
      user site area.  There are no frozen binaries on other platforms (that I'm aware
      of), and an equivalent change will need to be made to `dispatch.py` in order to
      work with PyOxidizer, since it bypasses this module completely.  (It also has
      the ability to use the `site` module, so it will look completely different.)
      
      Differential Revision: https://phab.mercurial-scm.org/D9531
      7740d5102760
  12. Nov 30, 2020
  13. Dec 04, 2020
  14. Dec 01, 2020
  15. Dec 05, 2020
  16. Dec 01, 2020
  17. Nov 08, 2020
  18. Nov 21, 2020
    • Matt Harbison's avatar
      phabricator: allow local revisions to be specified with `phabupdate` · 9624bf057c2a
      Matt Harbison authored
      It's way easier and less error prone to specify a revset after importing a
      series than to manually type in a series of Differentials.
      
      Unlike most revision oriented commands, this requires the `--rev` option
      explicitly because the existing `DREVSPEC` doesn't need to have the leading 'D',
      and therefore the meaning is ambiguous.  I wouldn't have a problem giving
      precedence to the local revnum, but `phabread` and `phabimport` also use
      DREVSPEC, and local revisions make no sense there.  I would be fine with
      modifying that definition to require the leading 'D', but I'm not sure how many
      people are used to not specifying it.
      
      Differential Revision: https://phab.mercurial-scm.org/D9356
      9624bf057c2a
  19. Nov 20, 2020
  20. Nov 30, 2020
  21. Dec 02, 2020
  22. Nov 30, 2020
  23. Dec 03, 2020
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