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copies-rust: add smarter approach for merging small mapping with large mapping...
copies-rust: add smarter approach for merging small mapping with large mapping 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
Boris Feld - - Load All Authors

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all-revsets.txt
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# All revsets ever used with revsetbenchmarks.py script
#
# The goal of this file is to gather all revsets ever used for benchmarking
# revset's performance. It should be used to gather revsets that test a
# specific usecase or a specific implementation of revset predicates.
# If you are working on the smartset implementation itself, check
# 'base-revsets.txt'.
#
# Please update this file with any revsets you use for benchmarking a change so
# that future contributors can easily find and retest it when doing further
# modification. Feel free to highlight interesting variants if needed.
## Revset from this section are all extracted from changelog when this file was
# created. Feel free to dig and improve documentation.
# Used in revision da05fe01170b
(20000::) - (20000)
# Used in revision 95af98616aa7
parents(20000)
# Used in revision 186fd06283b4
(_intlist('20000\x0020001')) and merge()
# Used in revision 911f5a6579d1
p1(20000)
p2(10000)
# Used in revision b6dc3b79bb25
0::
# Used in revision faf4f63533ff
bookmark()
# Used in revision 22ba2c0825da
tip~25
# Used in revision 0cf46b8298fe
bisect(range)
# Used in revision 5b65429721d5
divergent()
# Used in revision 6261b9c549a2
file(COPYING)
# Used in revision 44f471102f3a
follow(COPYING)
# Used in revision 8040a44aab1c
origin(tip)
# Used in revision bbf4f3dfd700
rev(25)
# Used in revision a428db9ab61d
p1()
# Used in revision c1546d7400ef
min(0::)
# Used in revision 546fa6576815
author(lmoscovicz) or author(mpm)
author(mpm) or author(lmoscovicz)
# Used in revision 9bfe68357c01
public() and id("d82e2223f132")
# Used in revision ba89f7b542c9
rev(25)
# Used in revision eb763217152a
rev(210000)
# Used in revision 69524a05a7fa
10:100
parents(10):parents(100)
# Used in revision 6f1b8b3f12fd
100~5
parents(100)~5
(100~5)~5
# Used in revision 7a42e5d4c418
children(tip~100)
# Used in revision 7e8737e6ab08
100^1
parents(100)^1
(100^1)^1
# Used in revision 30e0dcd7c5ff
matching(100)
matching(parents(100))
# Used in revision aafeaba22826
0|1|2|3|4|5|6|7|8|9
# Used in revision 33c7a94d4dd0
tip:0
# Used in revision 7d369fae098e
(0:100000)
# Used in revision b333ca94403d
0 + 1 + 2 + ... + 200
0 + 1 + 2 + ... + 1000
sort(0 + 1 + 2 + ... + 200)
sort(0 + 1 + 2 + ... + 1000)
# Used in revision 7fbef7932af9
first(0 + 1 + 2 + ... + 1000)
# Used in revision ceaf04bb14ff
0:1000
# Used in revision 262e6ad93885
not public()
(tip~1000::) - public()
not public() and branch("default")
# Used in revision 15412bba5a68
0::tip
## all the revsets from this section have been taken from the former central file
# for revset's benchmarking, they are undocumented for this reason.
all()
draft()
::tip
draft() and ::tip
::tip and draft()
author(lmoscovicz)
author(mpm)
::p1(p1(tip))::
public()
:10000 and public()
:10000 and draft()
(not public() - obsolete())
# The one below is used by rebase
(children(ancestor(tip~5, tip)) and ::(tip~5))::
# those two `roots(...)` inputs are close to what phase movement use.
roots((tip~100::) - (tip~100::tip))
roots((0::) - (0::tip))
# more roots testing
roots(tip~100:)
roots(:42)
roots(not public())
roots((0:tip)::)
roots(0::tip)
42:68 and roots(42:tip)
# Used in revision f140d6207cca
roots(0:tip)
# test disjoint set with multiple roots
roots((:42) + (tip~42:))
# Testing the behavior of "head()" in various situations
head()
head() - public()
draft() and head()
head() and author("mpm")
# testing the mutable phases set
draft()
secret()
# test finding common ancestors
heads(commonancestors(last(head(), 2)))
heads(commonancestors(head()))
# more heads testing
heads(all())
heads(-10000:-1)
(-5000:-1000) and heads(-10000:-1)
heads(matching(tip, "author"))
heads(matching(tip, "author")) and -10000:-1
(-10000:-1) and heads(matching(tip, "author"))
# more roots testing
roots(all())
roots(-10000:-1)
(-5000:-1000) and roots(-10000:-1)
roots(matching(tip, "author"))
roots(matching(tip, "author")) and -10000:-1
(-10000:-1) and roots(matching(tip, "author"))
only(max(head()))
only(max(head()), min(head()))
only(max(head()), limit(head(), 1, 1))