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annotate tests/test-docker-packaging.t @ 30288:ceddc3d94d74

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revlog: inline start() and end() for perf reasons When I implemented `hg perfrevlogchunks`, one of the things that stood out was N * _chunk() calls was ~38x slower than 1 _chunks() call. Specifically, on the mozilla-unified repo: N*_chunk: 0.528997s 1*_chunks: 0.013735s This repo has 352,097 changesets. So the average time per changeset comes out to: N*_chunk: 1.502us 1*_chunks: 0.039us If you extrapolate these numbers to a repository with 1M changesets, that comes out to 1.502s versus 0.039s, which is significant. At these latencies, Python attribute lookups and function calls matter. So, this patch inlines some code to cut down on that overhead. The impact of this patch on N*_chunk() calls is clear: ! wall 0.528997 comb 0.520000 user 0.500000 sys 0.020000 (best of 19) ! wall 0.367723 comb 0.370000 user 0.350000 sys 0.020000 (best of 27) So, we go from ~38x slower to ~27x. A nice improvement. But there's still a long way to go. It's worth noting that functionality like revsets perform changelog lookups one revision at a time. So this code path is worth optimizing.
author Gregory Szorc <gregory.szorc@gmail.com>
date Sat, 22 Oct 2016 15:41:23 -0700
parents 3c9066ed557c
children 6c113a7dec52
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1 #require test-repo slow docker
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3 $ . "$TESTDIR/helpers-testrepo.sh"
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5 Ensure debuild doesn't run the testsuite, as that could get silly.
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6 $ DEB_BUILD_OPTIONS=nocheck
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7 $ export DEB_BUILD_OPTIONS
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8 $ OUTPUTDIR=`pwd`
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9 $ export OUTPUTDIR
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11 $ cd "$TESTDIR"/..
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12 $ make docker-debian-jessie > $OUTPUTDIR/build.log 2>&1
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13 $ cd $OUTPUTDIR
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14 $ ls *.deb
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15 mercurial-common_*.deb (glob)
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16 mercurial_*.deb (glob)
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18 We check debian package contents with portable tools so that when
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19 we're on non-debian machines we can still test the packages that are
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20 built using docker.
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22 main deb should have .so but no .py
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23 $ ar x mercurial_*.deb
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24 $ tar tf data.tar* | egrep '(localrepo|parsers)'
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25 ./usr/lib/python2.7/dist-packages/mercurial/parsers*.so (glob)
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26 mercurial-common should have .py but no .so or .pyc
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27 $ ar x mercurial-common_*.deb
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28 $ tar tf data.tar* | egrep '(localrepo|parsers)'
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29 ./usr/lib/python2.7/dist-packages/mercurial/pure/parsers.py
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30 ./usr/lib/python2.7/dist-packages/mercurial/localrepo.py