Mercurial > hg
annotate tests/test-convert-bzr-ghosts.t @ 18091:f7f8159caad3
ancestor: add lazy membership testing to lazyancestors
This also makes the perfancestorset command use lazy membership testing. In a
linear repository with over 400,000 commits, without this patch, hg
perfancestorset takes 0.80 seconds no matter how far behind we're looking.
With this patch, hg perfancestorset -- X takes:
Rev X Time
-1 0.00s
-4000 0.01s
-20000 0.04s
-80000 0.17s
-200000 0.43s
-300000 0.69s
0 0.88s
Thus, for revisions close to tip, we're up to several orders of magnitude
faster. At 0 we're around 10% slower.
author | Siddharth Agarwal <sid0@fb.com> |
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date | Tue, 18 Dec 2012 12:47:20 -0800 |
parents | f2719b387380 |
children | 89872688893f |
rev | line source |
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7053 | 1 |
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2 $ . "$TESTDIR/bzr-definitions" |
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3 $ cat > ghostcreator.py <<EOF |
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4 > import sys |
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5 > from bzrlib import workingtree |
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6 > wt = workingtree.WorkingTree.open('.') |
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7 > |
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8 > message, ghostrev = sys.argv[1:] |
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9 > wt.set_parent_ids(wt.get_parent_ids() + [ghostrev]) |
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10 > wt.commit(message) |
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11 > EOF |
7053 | 12 |
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13 ghost revisions |
7053 | 14 |
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15 $ mkdir test-ghost-revisions |
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16 $ cd test-ghost-revisions |
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17 $ bzr init -q source |
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18 $ cd source |
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19 $ echo content > somefile |
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20 $ bzr add -q somefile |
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21 $ bzr commit -q -m 'Initial layout setup' |
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22 $ echo morecontent >> somefile |
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23 $ python ../../ghostcreator.py 'Commit with ghost revision' ghostrev |
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24 $ cd .. |
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25 $ hg convert source source-hg |
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26 initializing destination source-hg repository |
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27 scanning source... |
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28 sorting... |
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29 converting... |
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30 1 Initial layout setup |
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31 0 Commit with ghost revision |
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32 $ glog -R source-hg |
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33 o 1@source "Commit with ghost revision" files: somefile |
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34 | |
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35 o 0@source "Initial layout setup" files: somefile |
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36 |
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37 |
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38 $ cd .. |