Mercurial > hg
annotate tests/test-issue619.t @ 40298:9cadb0f5f227
rust: hooking into Python code
We introduce a new class called 'rustlazyancestors'
in the ancestors module, which is used only if
parsers.rustlazyancestors does exist.
The implementation of __contains__ stays unchanged,
but is now backed by the Rust iterator. It would
probably be a good candidate for further development,
though, as it is mostly looping, and duplicates the
'seen' set.
The Rust code could be further optimized, however it already
gives rise to performance improvements:
median timing from hg perfancestors:
- on pypy:
before: 0.077566s
after: 0.016676s -79%
- on mozilla central:
before: 0.190037s
after: 0.082225s -58%
- on a private repository (about one million revisions):
before: 0.567085s
after: 0.108816s -80%
- on another private repository (about 400 000 revisions):
before: 1.440918s
after: 0.290116s -80%
median timing for hg perfbranchmap base
- on pypy:
before: 1.383413s
after: 0.507993s -63%
- on mozilla central:
before: 2.821940s
after: 1.258902s -55%
- on a private repository (about one million revisions):
before: 77.065076s
after: 16.158475s -80%
- on another private repository (about 401 000 revisions):
before: 7.835503s
after: 3.545331s -54%
author | Georges Racinet <gracinet@anybox.fr> |
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date | Thu, 27 Sep 2018 16:55:44 +0200 |
parents | 2fc86d92c4a9 |
children | 55c6ebd11cb9 |
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1 https://bz.mercurial-scm.org/619 |
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2 |
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3 $ hg init |
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4 $ echo a > a |
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5 $ hg ci -Ama |
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6 adding a |
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7 |
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8 $ echo b > b |
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9 $ hg branch b |
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10 marked working directory as branch b |
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12 $ hg ci -Amb |
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13 adding b |
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14 |
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15 $ hg co -C 0 |
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16 0 files updated, 0 files merged, 1 files removed, 0 files unresolved |
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17 |
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18 Fast-forward: |
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19 |
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20 $ hg merge b |
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21 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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22 (branch merge, don't forget to commit) |
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23 $ hg ci -Ammerge |
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24 |
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25 Bogus fast-forward should fail: |
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26 |
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27 $ hg merge b |
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28 abort: merging with a working directory ancestor has no effect |
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29 [255] |
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31 Even with strange revset (issue4465) |
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33 $ hg merge ::. |
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34 abort: merging with a working directory ancestor has no effect |
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35 [255] |
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36 |